XC9201C19AKR Torex Semiconductor, XC9201C19AKR Datasheet

XC9201C19AKR

Manufacturer Part Number

XC9201C19AKR

Description

Manufacturer

Torex Semiconductor

Datasheets

1.XC9201.pdf (24 pages)

2.XC9201C19AKR.pdf (20 pages)

3.XC9201C19AKR.pdf (20 pages)

Specifications of XC9201C19AKR

Date_code

07+

Packing_info

sop8

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XC9201

PWM Controlled Step-Down DC/DC Controllers

■TYPICAL APPLICATION CIRCUIT

■GENERAL DESCRIPTION

The XC9201 series are step-down multiple current and voltage feedback DC/DC controller ICs. Current sense, clock

frequencies and amp feedback gain can all be externally regulated.

A stable power supply is possible with output currents of up to 3.0A. With output voltage fixed internally, output voltage is

selectable in 100mV increments (semi-custom) within a 1.2V ~ 16.0V range. (±2.5%).

For output voltages outside this range, we recommend the FB version which has a 0.9V internal reference voltage. Using this

version, the required output voltage can be set-up using 2 external resistors.

Switching frequencies can also be set-up externally within a range of 100kHz~600kHz and therefore frequencies suited to

your particular application can be selected.

With the current sense function, peak currents (which flow through the driver transistor and the coil) can be controlled.

Soft-start time can be adjusted using external resistors and capacitors.

During shutdown (CE pin =L), consumption current can be reduced to as little as 0.5μA (TYP.) or less and with U.V.L.O.

(Under Voltage Lock Out) built-in, the external transistor will be automatically shut off below the regulated voltage.

■APPLICATIONS

●Mobile, Cordless phones

●Palm top computers, PDAs

●Portable games

●Cameras, Digital cameras

●Notebook computers

Series

■FEATURES

Stable Operations via Current & Voltage Multiple

Feedback

Unlimited Options for Peripheral Selection

Current Protection Circuit

Ceramic Capacitor Compatible

Input Voltage Range

Output Voltage Range

Oscillation Frequency Range : 100kHz ~ 600kHz

Output Current

Package

■TYPICAL PERFORMANCE

CHARACTERISTICS

VOUT:5.0V FOSC:330kHz

: 2.5V ~20V

: 1.2V ~ 16V

: Up To 3.0A

: MSOP-8A

ETR0502_004

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