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TPS6735

Features: ` Negative 5-V 200-mA Output (VCC 4.5 V)` 4-V to 6.2-V Input Operating Range` 78% Typical Efficiency` 160-kHz Fixed-Frequency Current-Mode PWM Controller` EN Input Inhibits Operation and Reduces Supply Current to 1 A` Soft Start` 8-Pin SOIC and DIP Packages` 40 to 85 Free-Air Temperature...

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SeekIC No. : 004527224 Detail

TPS6735: Features: ` Negative 5-V 200-mA Output (VCC 4.5 V)` 4-V to 6.2-V Input Operating Range` 78% Typical Efficiency` 160-kHz Fixed-Frequency Current-Mode PWM Controller` EN Input Inhibits Operation and R...

TPS6735 Data Sheet

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Part Number:
TPS6735
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Negative 5-V 200-mA Output (VCC 4.5 V)
` 4-V to 6.2-V Input Operating Range
` 78% Typical Efficiency
` 160-kHz Fixed-Frequency Current-Mode PWM Controller
` EN Input Inhibits Operation and Reduces Supply Current to 1 A
` Soft Start
` 8-Pin SOIC and DIP Packages
` 40 to 85 Free-Air Temperature Range
` Pin-for-Pin Compatible with MAX735


Pinout

Connection Diagram


Specifications

VCC (see Note 1) . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 7 V
OUT to VCC . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5 V
FB (see Note 1) . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V
SS, COMP, EN voltage range (see Note 1) . . . . . . . 0.3 V to VCC +0.3 V
Peak switch current . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 A
Reference current . . . . . . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . . . 2.5 mA
Continuous total power dissipation .  . . . . . See Dissipation Rating Table
Operating free-air temperature range, TA . . . . . . . . . . . . . 40 to 85
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . 65 to 150
Lead temperature 1,6mm (1/16 inch) from case for 10 s  . . . . . . . . 260
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to network terminal ground.


Description

The TPS6735 is a fixed negative 5-V output inverting dc/dc converter capable of delivering 200 mA from inputs as low as 4.5 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, and a Schottky rectifier. An enable input of TPS6735 is provided to shut down the inverter when a 5-V output is not needed. The typical supply current is 1.9 mA at no-load and is further reduced to 1-mA when the enable input is low.

The TPS6735 is a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the 5-V output to reduce the die area needed to realize the 0.4-W MOSFET. Soft start of TPS6735 is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for external loads up to 125 A.

The TPS6735 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.

The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of 40 to 85.




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