TPS6735

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固定、負電圧、5V、200mA、反転型 DC/DC コンバータ

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データシート

document-pdfAcrobat Fixed Negative 5-V 200-mA Inverting DC/DC Converter データシート (Rev. A) (英語)

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アクティブ

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TPS6735

アクティブ

データシート

ご注文はこちら

製品詳細

Rating

Catalog

Topology

Inverting

Switch current limit (typ) (A)

2

Vin (max) (V)

6.2

Vin (min) (V)

4

Vout (max) (V)

-5

Vout (min) (V)

-5

Features

Enable

Switching frequency (min) (kHz)

160

Switching frequency (max) (kHz)

160

Operating temperature range (°C)

-40 to 85

Iq (typ) (µA)

1900

Duty cycle (max) (%)

100

Type

Converter

Rating

Catalog

Topology

Inverting

Switch current limit (typ) (A)

2

Vin (max) (V)

6.2

Vin (min) (V)

4

Vout (max) (V)

-5

Vout (min) (V)

-5

Features

Enable

Switching frequency (min) (kHz)

160

Switching frequency (max) (kHz)

160

Operating temperature range (°C)

-40 to 85

Iq (typ) (µA)

1900

Duty cycle (max) (%)

100

Type

Converter

PDIP (P)

8

92.5083 mm² 9.81 x 9.43

SOIC (D)

8

29.4 mm² 4.9 x 6

Negative 5-V 200-mA Output (V_CC >= 4.5 V)
\x95 4-V to 6.2-V Input Operating Range
\x95 78% Typical Efficiency
\x95 160-kHz Fixed-Frequency Current-Mode PWM Controller
\x95 EN Input Inhibits Operation and Reduces Supply Current to 1 uA
\x95 Soft Start
\x95 8-Pin SOIC and DIP Packages
\x95 -40°C to 85°C Free-Air Temperature Range
\x95 Pin-for-Pin Compatible with MAX735

Negative 5-V 200-mA Output (V_CC >= 4.5 V)
\x95 4-V to 6.2-V Input Operating Range
\x95 78% Typical Efficiency
\x95 160-kHz Fixed-Frequency Current-Mode PWM Controller
\x95 EN Input Inhibits Operation and Reduces Supply Current to 1 uA
\x95 Soft Start
\x95 8-Pin SOIC and DIP Packages
\x95 -40°C to 85°C Free-Air Temperature Range
\x95 Pin-for-Pin Compatible with MAX735

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 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-uA 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- 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 uA.

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°C to 85°C.

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 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-uA 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- 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 uA.

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°C to 85°C.

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