XC6402_1 TOREX [Torex Semiconductor], XC6402_1 Datasheet

XC6402_1

Manufacturer Part Number

XC6402_1

Description

High Current, High Speed LDO Regulators, Voltage Detector Function

Manufacturer

TOREX [Torex Semiconductor]

Datasheet

1.XC6402_1.pdf (31 pages)

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XC6402

High Current, High Speed LDO Regulators, Voltage Detector Function

■GENERAL DESCRIPTION

The XC6402 series are precise, low noise, high current, positive voltage low dropout regulators with built-in voltage detector.

They are fabricated using Torex’s CMOS process. The series features a voltage reference, an error amplifier, a current

limiter, a voltage detector and a phase compensation circuit plus a driver transistor.

The output voltage of the LDO and detect voltage of the detector is selectable in 50mV increments within the range of 0.8V to

5.0V. With a low ON resistance driver transistor built-in, batteries can be used until input-output voltage differential is minimal

and can accordingly be used for a longer time.

The series is also compatible with low ESR ceramic capacitors which give added output stability. The series provides options

to the user to select from a variety of circuit features, such as detector monitoring, detector output logic, EN pin input logic,

and internal pull-up / down resistance (semi-custom). The IC's internal regulator circuit can be placed in stand-by mode via

the EN function (XC6402C series). In the stand-by mode, power consumption is greatly reduced. The XC6402F series

offers the option of a delay on the detector output: the delay time can be controlled by the use of an external capacitor.

■APPLICATIONS

●CD-ROM, CD-R / RW drive

●DVD drive

●HDD drive

●Cameras, Video recorders

●Portable AV equipment

●Battery powered equipment

■TYPICAL APPLICATIONS CIRCUITS

●XC6402C Series

●XC6402F Series

Series

Rpull-up

220kΩ

Rpull-up

220kΩ

■TYPICAL PERFORMANCE

■FEATURES

Maximum Output Current

Dropout Voltage

Maximum Operating Voltage : 1.5V ~ 6.0V

VR Output Voltage Range

VD Detect Voltage Range

Highly Accurate

Low Power Consumption

High Ripple Rejection

Ambient Temperature

Low ESR Capacitor

Ultra Small Packages

●Dropout Voltage vs. VR Output Current

CHARACTERISTICS

0.6

0.5

0.4

0.3

0.2

0.1

0.0

100

XC6402 Series (VR:3.0V)

200

VR Output Current IROUT(mA)

Topr= - 40

Topr= 25

Topr= 85

CIN=1.0uF(ceramic),CL=1.0uF(ceramic)

300

: More than 700mA

: 50mV @ 100mA

: 0.8V ~ 5.0V (50mV increments)

: ± 2%

: 35μA (TYP.)

: 60dB @1kHz

: - 40℃ ~ 85℃

: Ceramic capacitor compatible

: SOT-25, SOT-89-5, USP-6B,

* VD: Voltage Detector

100mV @ 200mA

More than 1.5V (V

(1.6V≦V

(800mA limit)

400

500

ROUT(T)

600

ETR1001_001

≦5.0V)

sensing)

700

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