Product Information

L6902D

L6902D electronic component of STMicroelectronics

Datasheet
Driver; DC/DC converter; 1A; 1.235÷34V; Channels:1; Uoper:8÷36V
Manufacturer: STMicroelectronics
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

17: USD 1.924 ea
Line Total: USD 32.71

1213 - Global Stock
Ships to you between
Fri. 10 May to Thu. 16 May
MOQ: 17  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
1213 - WHS 1


Ships to you between Fri. 10 May to Thu. 16 May

MOQ : 17
Multiples : 1

Stock Image

L6902D
STMicroelectronics

17 : USD 1.924
30 : USD 1.924
100 : USD 1.924
250 : USD 1.924
750 : USD 1.924

4977 - WHS 2


Ships to you between Fri. 10 May to Thu. 16 May

MOQ : 1
Multiples : 1

Stock Image

L6902D
STMicroelectronics

1 : USD 4.147
3 : USD 3.913
6 : USD 2.899
16 : USD 2.73
500 : USD 2.717

Read More Specifications

     
Manufacturer
Product Category
Output Voltage
Output Current
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Brand
No. Of Outputs
Dc / Dc Converter Ic Case
No. Of Pins
Output Voltage Min
Output Voltage Max
Operating Temperature Max
Rohs Phthalates Compliant
Svhc
Base Number
Battery Management Function
Battery Type
Ic Generic Number
Logic Function Number
Operating Temperature Min
Operating Temperature Range
Primary Input Voltage
Reference Volts
Supply Voltage Max
Supply Voltage Min
Termination Type
Voltage Regulator Type
Voltage Vcc Max
Voltage Vcc Min
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Additional Infomation About Product

L6902 Up to 1 A switching regulator with adjustable current limit Features Up to 1 A output current Operating input voltage from 8 V to 36 V Precise 3.3 V (2%) reference voltage 5 % output current accuracy Output voltage adjustable from 1.235 V to 34 V SO-8 250 kHz internally fixed frequency current control can be used to charge NiMH and Voltage feedforward NiCd batteries. Zero load current operation The device can be used as a standard DC/DC Adjustable current limit converter with adjustable current limit (set by Protection against feedback Disconnection using the external sense resistor). Thermal shutdown The internal robust P-channel DMOS transistor with a typical of 250 m assures high efficiency and a minimum dropout even at high output Applications current level. The internal limiting current (latched Chargers for NiCd, NiMH batteries and function) of typical value of 2.5 A protects the preregulator for lithium-ion batteries device from accidental output short circuit avoiding dangerous loads damage. Adjustable current generator If the temperature of the chip goes higher than a Simple step-down converters with adjustable fixed internal threshold (150C with 20C current limit hysteresis), the power stage is turned off. Battery equipped systems Other protections beside thermal shutdown Distributed power supply complete the device for a safe and reliable Mobile PC and subnotebook application: overvoltage protection, frequency folback overcurrent protection and protection vs. Description feedback disconnection. The internal fixed switching frequency of 250KHz, The L6902D is a complete and simple step down and the SO-8 package pin allow to built an ultra switching regulator with adjustable current limit. compact DC/ DC converter with a minimum board Based on a voltage mode structure it integrates a space. current error amplifier to have a constant voltage and constant current control. Table 1. Device summary By means of an on board current sense resistor Order codes Package Packaging and the availability of the current sense pins (both compatible to Vcc and for Cs- compatible with L6902D Tube SO-8 GND too) a current limit programming is very L6902D013TR Tape and reel simple and accurate (5%). Moreover constant November 2010 Doc ID 7332 Rev 9 1/11 www.st.com 11Content L6902 Content 1 Test and application circuit . 3 2 Pin connection 3 3 Maximum ratings 4 4 Internal block diagram . 5 5 Electrical characteristics . 6 6 Package mechanical data . 8 7 Revision history . 10 2/11 Doc ID 7332 Rev 9

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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