TPS6755 Selling Leads, Price trend, TPS6755 DataSheet download, circuit diagram from SeekIC.com

Features: `1-W Output (VCC . 4.5 V)`2.7-V to 9-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 mA`Output Voltage Limited to M VOM 3 12 V VCC`Soft Start`8-Pin SOIC and DIP Packages`40°C to...

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SeekIC No. : 004527225 Detail

TPS6755: Features: `1-W Output (VCC . 4.5 V)`2.7-V to 9-V Input Operating Range`78% Typical Efficiency`160-kHz Fixed-Frequency Current-Mode PWM Controller`EN Input Inhibits Operation and Reduces Supply Curre...

TPS6755 Data Sheet

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Part Number:: TPS6755
Supply Ability:: 5000

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Product Details

Description

Features:

`1-W Output (VCC . 4.5 V)
`2.7-V to 9-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 mA
`Output Voltage Limited to M VOM 3 12 V VCC
`Soft Start
`8-Pin SOIC and DIP Packages
`40°C to 85°C Free-Air Temperature Range
`Pin-for-Pin Compatible with MAX755

Pinout

Connection Diagram

Specifications

Pin voltages: VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 9 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 temperture range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C to 85°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Lead temperature 1,6mm (1/16 inch) from case for 10 s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C

† 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 TPS6755 is an adjustable inverting dc/dc converter capable of operating from inputs as low as 2.7 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, two resistors, and a Schottky rectifier. An enable input of TPS6755 is provided to shut down the inverter when an output voltage 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 TPS6755 features a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the converter output to reduce the die area needed to realize the 0.4-W MOSFET. Soft start is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for external loads up to 125 mA.

The TPS6755 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.

Available in an 8-pin DIP or an 8-pin SOIC package, the TPS6755 operates over a free-air temperature range of 40°C to 85°C.

TPS6755

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