Product Information

L6738TR

L6738TR electronic component of STMicroelectronics

Datasheet
Switching Controllers Single-Phase SD Cont 5V to 12V bus 1.5V
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)

10: USD 0.7718 ea
Line Total: USD 7.72

856 - Global Stock
Ships to you between
Fri. 24 May to Thu. 30 May
MOQ: 10  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
856 - WHS 1


Ships to you between Fri. 24 May to Thu. 30 May

MOQ : 1
Multiples : 1

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L6738TR
STMicroelectronics

1 : USD 0.7963

856 - WHS 2


Ships to you between Fri. 24 May to Thu. 30 May

MOQ : 10
Multiples : 1

Stock Image

L6738TR
STMicroelectronics

10 : USD 0.7718

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Number of Outputs
Switching Frequency
Duty Cycle - Max
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Packaging
Series
Type
Brand
Operating Supply Current
Operating Supply Voltage
Factory Pack Quantity :
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Additional Infomation About Product

L6738 Single-phase PWM controller with light-load efficiency optimization Datasheet production data Features Flexible power supply from 5 V to 12 V bus Power conversion input as low as 1.5 V Light-load efficiency optimization Embedded bootstrap diode VIN detector 0.8 V internal reference 0.5% output voltage accuracy VFQFPN16 Remote GND recovery High-current integrated drivers and the device supply voltage ranging from 5 V to Sensorless and programmable precise-OC 12 V bus. sense across inductor DCR The L6738 features a proprietary algorithm that OV protection allows light-load efficiency optimization, boosting efficiency without compromising the output Programmable oscillator up to 600 kHz voltage ripple. LS-less to manage pre-bias startup The integrated 0.8 V reference allows the Adjustable output voltage generation of output voltages with 0.5% Disable function accuracy over line and temperature variations. Internal soft-start The oscillator is programmable up to 600 kHz. VFQFPN 16 3x3 mm package The L6738 provides a programmable dual-level overcurrent protection and overvoltage protection. Applications The current information is monitored across the inductor DCR. Memory and termination supply The L6738 is available in a VFQFPN 16 3x3 mm Subsystem power supply (MCH, IOCH, PCI) package. CPU and DSP power supply Distributed power supply Table 1. Device summary General DC-DC converter Order code Package Packing L6738 VFQFPN16 Tube Description L6738TR VFQFPN16 Tape and reel The L6738 is a single-phase step-down controller with integrated high-current drivers that provides complete control logic and protection to realize a DC-DC converter. The device flexibility allows the management of conversions with power input V as low as 1.5 V IN July 2012 Doc ID 18133 Rev 2 1/33 This is information on a product in full production. www.st.com 33Contents L6738 Contents 1 Typical application circuit and block diagram 6 1.1 Application circuit 6 1.2 Block diagram . 8 2 Connection diagram and pin description 9 2.1 Connection diagram 9 2.2 Pin description 9 2.3 Thermal data 10 3 Electrical specifications . 11 3.1 Absolute maximum ratings 11 3.2 Electrical characteristics 12 4 Device description and operation . 13 5 Soft-start . 14 5.1 LS-less startup . 14 6 Output voltage setting and protections 15 6.1 Overcurrent . 16 6.2 Overcurrent threshold setting 17 7 Main oscillator . 18 7.1 Synchronization 19 8 High-current embedded drivers . 20 8.1 Boot capacitor design 20 8.2 Power dissipation . 21 9 Application details . 22 9.1 Compensation network 22 9.2 Layout guidelines . 24 10 Application information . 26 2/33 Doc ID 18133 Rev 2

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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