xc6501 TOREX SEMICONDUCTOR LTD., xc6501 Datasheet

xc6501

Manufacturer Part Number

xc6501

Description

Output Capacitor-less, Low Power Consumption, High Speed Ldo Regulator

Manufacturer

TOREX SEMICONDUCTOR LTD.

Datasheet

1.XC6501.pdf (21 pages)

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Current page: 1 of 21
Download datasheet (523Kb)

XC6501

Output Capacitor-Less, Low Power Consumption, High Speed LDO Regulator

■GENERAL DESCRIPTION

The XC6501 series is a 6.0V high speed, low noise CMOS LDO regulator that can provide stable output voltages within a range

of 1.2V to 5.0V (0.05V increments) even without a load capacitor C

out internally unlike other LDOs where it is done externally. The series consists of a reference voltage source, driver transistor,

error amplifier, current limit circuit, and phase compensation circuit.

The CE function enables the circuit to be put into stand-by mode by inputting a low level signal to the CE pin thereby reducing

current consumption from an already low 13μA (in operation) to less than 0.1μA. In the stand-by mode, if a C

electric charge stored at C

to the V

The current limit fold-back circuit operates as a short circuit protection and a current limiter function for the output pin.

■APPLICATIONS

●Mobile phones （RF, Digital cash, I/O etc.）

●Portable games

●Camera modules

●Wireless LAN modules

●LCD modules

●Bluetooth

●Digital-TV tuners

■TYPICAL APPLICATION CIRCUIT

level.

can be discharged via the internal auto-discharge switch and as a result, the V

■FEATURES

Operating Voltage Range

Output Voltage Range

Dropout Voltage

Low Power Supply

Stand-by Current

Ripple Rejection

Protection Circuits

Output capacitor is not required

CL High Speed Auto Discharge

Packages

■TYPICAL PERFORMANCE

CHARACTERISTICS

. This is possible because phase compensation is carried

3.2

3.0

2.8

2.6

2.4

2.2

2.0

Output Current

XC6501 Series

Without C

Time (40μs/div)

無し

1.4～6.0V

2.0～5.0V（Accuracy:±1%）

1.2～1.95V（Accuracy:±0.02V）

150mV＠I

13μA＠V

Less than 0.1μA

50dB＠f=1kHz,V

Current limit （300mA, TYP.）

Short circuit protection

Internal phase compensation

SOT-25, SSOT-24, USP-4,

USPN-4 (under development)

USP-3

OUT

=2.8V

Ta=25 ℃ ,tr=tf=5μs

=0.1μF (ceramic)

=1.0μF

pin quickly returns

OUT

cap is used, the

=100mA,

=2.8V

ETR0337-005

OUT

300

250

200

150

100

=2.8V

1/21

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