L4909 EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR
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1 EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR 3 OUTPUTS Vo1 : output voltage variable from 5 to 12 V; limit current : 1.2 A. Vo2 : output voltage variable from 5 to 12 V; limit current : 1.2 A. Vo3 : output voltage variable from 5 to 12 V; limit current : 1.2 A. ENABLE INPUT FOR EACH REGULATOR FEEDBACK INPUT FOR EACH REGULATOR SHORT CIRCUIT PROTECTION TO GROUND OVERCURRENT WARNING DRIVER FOR EXTERNAL SCR (CROWBAR PROTECTION) THERMAL SHUTDOWN DESCRIPTION It is a monolithic Multifunction Voltage Regulator; it contains 3 regulators, (REG1, REG2, REG3) each one with an enable input and a feedback input, to allow the voltage setting via external resistive divider. BLOCK DIAGRAM EN1 EN2 EN3 OC TRIG GND THERMAL SHUTDOWN ENABLE CONTROL OVER CURRENT CHECK REFERENCE GENERATOR REG1 REG2 REG3 MULTIWATT15 Each regulator is current limited and furthermore an ORed warning signal is output (open collector, active low output) when the current in a regulator goes above an overcurrent threshold (1 A typ for any regulator). When one output voltage is higher than 20% typ of its nominal value (for instance in case of inputtooutput short circuit), the crowbar output pin is activated, triggering an external SCR (connected between input and ground) that blows the input line fuse. REF REF20% REG1 3, V INA, V INB REG2 REG3 V O1 FB1 V O2 FB2 V O3 FB3 D00AU71 May /7
2 PIN CONNECTION Table 1. Pin Description No. Pin Name Function 1 FB1 REG1 feedback voltage input 2 Vo1 REG1 output voltage 3 VinA Input DC supply voltage 4 TRIG Trigger for external SCR (crowbar protection) 5 OC Over current warning output 6 EN1 REG1 enable input 7 EN2 REG2 enable input 8 GND Analog ground 9 EN3 REG3 enable input 10 FB3 REG3 feedback voltage input Vo3 REG3 output voltage 12 N.C. Not Connected 13 VinB Input DC supply voltage 14 Vo2 REG2 output voltage 15 FB2 REG2 feedback voltage input 15 FB2 14 V O2 13 V INB 12 N.C. V O3 10 FB3 9 EN3 8 GND 7 EN2 6 EN1 5 OC 4 TRIG 3 V INA 2 V O1 1 FB1 TAB CONNECTED TO PIN 8 D00AU53 2/7
3 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Vin VinA,VinB input DC supply voltage 40 V Io Vo1, Vo2, Vo3 output currents internally limited Voc OC output voltage min (15, Vin) V VENx ENx input voltage 15 V Top Operating temperature range 0 to 70 o C Tstg Storage temperature 40 to 150 o C THERMAL DATA Symbol Parameter Value Unit R TH jcase Thermal Resistance Junction to Case 1.8 C/W ELECTRICAL CHARACTERISTICS (C out = 100nF; V in V o = 5V; I o = 10mA; T case = 25 C unless otherwise specified Symbol Parameter Test Condition Min. Typ. Max. Unit Vo1 REG1 output voltage range 5 12 V V(FB1) REG1 feedback voltage EN1=ON; V Ilim1 REG1 output current limit EN1=ON; VinVo1<12V A V o1 V o1 V o1 V o1 line regulation Io1=10mA; VinVo1=3 to 25 V Io1=10mA; VinVo1=3 to 12 V load regulation Io1=10 ma to 1.2A Io1=10 ma to 0.5A 0.5 Vd1 REG1 drop out Io1=500mA 2.20 V SVR1 REG1 supply voltage rejec. freq=120 Hz to 1KHz 60 db Vo2 REG2 output voltage range 5 12 V V(FB2) REG2 feedback voltage EN2 = ON; V Ilim2 REG2 output current limit EN2=ON; VinVo2<12V A V o2 V o2 line regulation Io2=10mA;VinVo2=3 to 25 V Io2=10mA;VinVo2=3 to 12 V V o2 V o2 load regulation Io2=10 ma to 1.2A Io2=10 ma to 0.5A 0.5 Vd2 REG2 drop out Io2=500mA 2.2 V 3/7
4 ELECTRICAL CHARACTERISTCS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit SVR2 REG2 supply voltage rejec. freq=120 Hz to 1KHz 60 db Vo3 REG3 output voltage range 5 12 V V(FB3) REG3 feedback voltage EN3=ON; V Ilim3 REG3 output current limit EN3=ON; VinVo3<12V A V o3 V o3 line regulation Io3=10mA; VinVo3=3 to 25 V Io3=10mA; VinVo3=3 to 12 V V o3 V o3 load regulation Io3=10 ma to 1.2A Io3=10 ma to 0.5A 0.5 Vd3 REG3 drop out Io3=500mA 2.20 V SVR3 REG3 supply voltage rejec. freq=120 Hz to 1KHz 60 db ENx enable input voltage (active high) STAND_BY ON V V Istby current consumption in stand_by EN1=EN2=EN3 0.5 V 20 µa ITRIG current at TRIG output SCR trigger circuit in ON state; V(TRIG) = 2V 25 ma ZTRIG TRIG to GND impedance SCR trigger circuit in OFF state 0.2 KΩ V(FB)_TR FBx voltage for trigger SCR on any regulator 1.52 V I(FB) Feedback s input current any regulator 2 µa I(EN) EN s input current V(EN) = 5V 160 µa Ion V_OC_L current consumption in ON state (current in the external feedback resistors not included) current_warning output voltage one regulator ON; Vo = 12V two regulators ON; Vo = 12V three regulators ON; Vo = 12V warning conditions Isink < 3 ma I_OC_H current_warning leakage no warning conditions V(OC) = 15V I_oc/Ilim warning threshold current / limit current any regulator Vin Vout <12V ma 0.40 V 1 µa 4/7
5 The current protection is a function of the Vce, i.e. the drop between input and output voltages (VinVo). The shape of that relationship is shown in following figure 1. Figure 1. Figure 2. REGULATOR TYPICAL APPLICATION FROM RECTIFIER ULTRAFAST FUSE 330nF 4.7K PULLUP RESISTOR SCR 5V (*)EN1 (*)EN2 (*)EN3 OC V INA V INB TRIG GND V O1 V O2 V O3 FB1 FB2 FB3 R B3 R B2 R B1 100µF 100nF 100µF 100nF 100µF R A3 R A2 R A1 100nF (*) It is possible to enable the regulators connecting the ENx pins to Vin through a 25KΩ Suggested value for R Ax is 1.2KΩ The value of R Bx must be choosen, depending on the desired output voltage V ox? following the formula: V ox R Bx = R Ax D00AU54 5/7
6 DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. A 5 97 B C D E F G G H H L L L L L L M M S S Dia OUTLINE AND MECHANICAL DATA Multiwatt15 V 6/7
7 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 2000 STMicroelectronics All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia Brazil China Finland France Germany Hong Kong India Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom U.S.A. 7/7
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STEVAL-CCH002V2. HDMI and video switches demonstration board. Features. Description
HDMI and video switches demonstration board Data brief Features 16-character x 2-line alphanumeric backlit LCD VGA input and output connectors S-video input and output connectors Y Pb Pr input and output
IMPORTANT NOTICE. Company name - STMicroelectronics NV is replaced with ST-NXP Wireless.
IMPORTANT NOTICE Dear customer, As from August 2 nd 2008, the wireless operations of STMicroelectronics have moved to a new company, ST-NXP Wireless. As a result, the following changes are applicable to
EVLHVLED815W8CV. 8 W - high power factor - constant voltage regulation based on HVLED815PF. Features. Description
8 W - high power factor - constant voltage regulation based on HVLED815PF Data brief Features 8 W LED driver - constant voltage EU range input (200-265 Vac) Isolated solution Single stage HPF flyback Primary
STEVAL-IHM021V W, 3-phase inverter based on the L6390 and UltraFASTmesh MOSFET for speed FOC of 3-phase PMSM motor drives. Features.
100 W, 3-phase inverter based on the L6390 and UltraFASTmesh MOSFET for speed FOC of 3-phase PMSM motor drives Features Data brief Wide range input voltage Maximum power: up to 100 W at 230 Vac input STD5N52U
Multi-channel LED driver with integrated boost controller for medium, large LCD panel backlight based on LED7708 and STM32F103C6T6A
Multi-channel LED driver with integrated boost controller for medium, large LCD panel backlight based on LED7708 and STM32F103C6T6A Features Data brief Wide DC input voltage: 10 V to 28 V Integrated boost
BAL-NRF01D3. 50 ohm balun transformer for 2G45 ISM matched Nordic s chipset: nrf24le1 QFN32, nrf24ap2-1ch and nrf24ap2-8ch. Features.
50 ohm balun transformer for 2G45 ISM matched Nordic s chipset: nrf24le1 QFN32, nrf24ap2-1ch and nrf24ap2-8ch Features 50 nominal input / conjugate match to nrf24le1 QFN32, nrf24ap2-1ch and nrf24ap2-8ch
STEVAL-IHM025V1. 1 kw 3-phase motor control demonstration board featuring the IGBT SLLIMM STGIPL14K60. Features. Description
Features 1 kw 3-phase motor control demonstration board featuring the IGBT SLLIMM STGIPL14K60 Data brief Min. input voltage: 125 VDC or 90 VAC Max. input voltage: 400 VDC or 285 VAC Max. output power for
EMIF C2 IPAD. 6 line EMI filter and ESD protection. Main product characteristics. Description. Order Code. Benefits
IPAD 6 line EMI filter and ESD protection Main product characteristics Where EMI filtering in ESD sensitive equipment is required: Mobile phones and communication systems Computers, printers and MCU Boards
STEVAL-ISA050V1. Monolithic VR for chipset and DDR2/3 demonstration board based on the PM6641. Features. Application. Description
Features STEVAL-ISA050V Monolithic VR for chipset and DDR/3 demonstration board based on the PM664 Data Brief Switching section 0.8 V ±% voltage reference.7 V to 5.5 V input voltage range Fast response,
Obsolete Product(s) - Obsolete Product(s)
Features Camera with ZigBee connectivity based on the STM32 STM32-based camera with ZigBee connectivity Includes microsd card and ZigBee module Works with monitoring unit (order code STEVAL-CCM003V1) Camera
Very low-noise, high-efficiency DC-DC conversion circuit
DN0013 Design note Very low-noise, high-efficiency DC-DC conversion circuit Designs from our labs describe tested circuit designs from ST labs which provide optimized solutions for specific applications.
STANC0. Stereo HD-PA digitally programmable active noise cancelling audio engine. Features. System. Input and output.
Features System Operates from 2.7-3.6 V host-powered, down to 1 V when battery operated Low current consumption: 5 ma audio equalizer + feedback ANC I 2 C interface for production and dynamic in-use configuration
SPSGRF-868 / 915 SubGiga (868 or 915 MHz) programmable transceiver module Datasheet
-868 / 915 SubGiga (868 or 915 MHz) programmable transceiver module Datasheet Features Programmable Radio features - Modulation schemes: 2-FSK, GFSK, MSK, GMSK, OOk, ASK - Air data rate from 1 to 500 kbps
STEVAL-CCM003V1. Graphic panel with ZigBee features based on the STM32 and SPZBE260 module. Features. Description
Graphic panel with ZigBee features based on the STM32 and SPZBE260 module Data brief Features Microsoft FAT16/FAT32 compatible library JPEG decoder algorithm S-Touch -based touch keys for menu navigation
L7208. Portable consumer electronics spindle and VCM motor controller. General features. Spindle driver. Description. VCM driver.
Portable consumer electronics spindle and VCM motor controller General features Register Based Architecture 3 wire serial port up to 50MHz Ultra-thin package Data Brief Spindle driver 0.5A peak current
TN0885 Technical note
TN0885 Technical note New I 2 PAKFP (TO-281) package, practical approach for compact and slim product design needs Introduction STMicroelectronics has introduced a new package family, I 2 PAKFP, which
STEVAL-ISB008V1. Standalone USB Li-Ion battery charger demonstration board based on the STw4102 and STM32F103C6. Features.
Features Standalone USB Li-Ion battery charger demonstration board based on the STw4102 and STM32F103C6 Data brief The STw4102 Li-Ion battery charger IC: supports battery charging by USB or external DC
STEVAL-IHM024V W 3-phase inverter using the L6390 and STGDL6NC60DI for vector control. Features. Applications. Description
100 W 3-phase inverter using the L6390 and STGDL6NC60DI for vector control Data brief Features Wide-range input voltage (110 Vac and 230 Vac) Maximum power-up to 100 W at 230 Vac input voltage Hyper-fast
AN1324 APPLICATION NOTE
AN1324 APPLICATION NOTE CALIBRATING THE RC OSCILLATOR OF THE ST7FLITE0 MCU USING THE MAINS by Microcontroller Division Applications 1 INTRODUCTION The ST7FLITE0 microcontroller contains an internal RC
STEVAL-SPBT2ATV2. USB Dongle for the Bluetooth class 2 SPBT2532C2.AT module. Features. Description
USB Dongle for the Bluetooth class 2 SPBT2532C2.AT module Data brief Features Bluetooth V2.1 board USB connection SMD antenna onboard RoHS compliant Description The demonstration board is a design tool
STV output dot-matrix display driver. Features. Description
320 output dot-matrix display driver Preliminary Data Features High-voltage, row/column driver IC 320, tri-level (high-voltage, medium voltage and ground) power outputs: capable of operating at 90V, absolute
EVALPM8803-FWD. EVALPM8803-FWD: IEEE802.3at compliant demonstration kit with synchronous active clamp forward PoE converter. Features.
: IEEE802.3at compliant demonstration kit with synchronous active clamp forward PoE converter Features EEE 802.3at compliant Support for Gigabit Ethernet Data pass-through for the ethernet data Works with
EVLHVLED815W10F. 10 W wide-range high power factor isolated LED driver based on HVLED815PF. Description. Features
10 W wide-range high power factor isolated LED driver based on HVLED815PF Description Data brief Features 10 W LED driver Wide-range input (88-265 VAC) Isolated solution Single stage HPF flyback Primary
STEVAL-ILL019V1. 32 W offline RGGB LED driver with individual LED channel brightness regulation. Features. Description
STEVAL-ILL09V W offline RGGB LED driver with individual LED channel brightness regulation Data brief Features Line voltage range: to VAC -channel LED driver Constant LED current: 0 ma Load: to LEDs per
STEVAL-IHT005V2. Demonstration board with full 3.3 V ACS/Triac control using the STM32F100. Description. Features
Demonstration board with full 3.3 V ACS/Triac control using the STM32F100 Data brief IEC 61000-4-4 pre-compliance test passed (burst up to 8 kv) IEC 61000-4-5 pre-compliance test passed (surge up to 2
PRODUCT INFORMATION LETTER
PRODUCT INFORMATION LETTER PIL MMS-MIC/13/7751 Dated 26 Mar 2013 STM32F40x and STM32F41x products LQFP176 package - Pinout modification 1/4 PIL MMS-MIC/13/7751 - Dated 26 Mar 2013 Sales Type/product family
EVAL6474PD. Stepper motor driver mounting the L6474 in a high power PowerSO package. Features. Description
Stepper motor driver mounting the L6474 in a high power PowerSO package Features Voltage range from 8 V to 45 V Phase current up to 3 A r.m.s. SPI with daisy chain feature Socket for external resonator
Obsolete Product(s) - Obsolete Product(s)
Bluetooth low energy development kit based on the STBLC01 Features STBLC01 Bluetooth low energy controller in a standalone RF module STM32L Discovery board, including STLINK Associated STBLC01 development
AN2056 APPLICATION NOTE
APPLICATION NOTE Extension of the SRC DiSEcQ 1 standard for control of Satellite Channel Router based one-cable LNBs 1 System overview 1.1 Description ST Microelectronics has introduced a new device that
STEVAL-IME002V1. Multi-lead electrocardiogram (ECG) and body impedance demonstration board. Features. Description
Multi-lead electrocardiogram (ECG) and body impedance demonstration board Data brief Features Two power supply options: USB connector and external power connector Up to three HM301D: 12-lead ECG with bioimpedance