XC6416DF31MR datasheet, PDF - EEWORLD Datasheet

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XC6416DF31MR: DescriptionDual LDO Voltage Regulator with “GreenOperation”; File Size2MB，31 Pages; Manufacturer

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XC6416DF31MR Overview

Dual LDO Voltage Regulator with “GreenOperation”

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XC6416

Series

Dual LDO Voltage Regulator with “GreenOperation”

JTR0333-006

■GENERAL

DESCRIPTION

☆GreenOperation

Compatible

The XC6416 series is a high accurate, low noise, high ripple rejection, and low dropout CMOS Dual regulator with

GreenOperation function. The series includes a reference voltage source, an error amplifier, a current limiter, and a phase

compensation circuit.

GreenOperation function provides high speed operation, low power consumption and high efficiencies by automatically

switching between a high speed mode (HS) and a power save mode (PS) depending on the load current level. The

switching point of the GreenOperation to the output current is being fixed inside the IC, thus providing operating conditions

with the most suitable level of supply current for the application. The USP-6C package has GO pin. If a high level singal is

input to the GO pin, the XC6416 can be used as a high speed fixed mode regulator.

The EN function turns each output of the two regulators independently. In this state, the electric charge at the output

capacitor (C

) is discharged via the internal auto-discharge switch, and as a result the V

OUT

voltage quickly returns to the V

level. The output stabilization capacitor (C

) is also compatible with low ESR ceramic capacitors. Output voltage is

selectable in 0.05V increments within a range of 0.8V ~4.0V, using laser trimming technologies. The series includes a

fold-back circuit, which aids the operation of the current limiter and circuit protection.

■APPLICATIONS

●

Mobile phones

Cordless phones, wireless communication equipment

Portable games

Cameras, video recorders

Portable audio equipment

PDAs

■

FEATURES

Maximum Output Current

Dropout Voltage

Operating Voltage Range

Output Voltage Range

High Output Accuracy

: 200mA (300mA limit, TYP.)

: 95mV@I

OUT

=100mA, V

OUT

=3.0V

: 1.5V~6.0V

: 0.8V~4.0V (0.05V increments)

: ±1% <XC6416A/B/C/D in HS Mode>

±0.02V @ V

OUT

≦1.95V

±2% <XC6416E/F/G/H in HS Mode>

±0.03V @ V

OUT

≦1.45V

±3% <XC6416A~H in PS Mode>

±0.06V @ V

OUT

≦1.95V

Low Power Consumption

: 5μA/ch @ PS mode (TYP.)

28μA/ch @ HS mode (TYP.)

Stand-by Current

: Less than 0.1μA

Ripple Rejection Rate

: 60dB @ 1kHz

Operating Temperature Range: - 40

C ~ 85

Low ESR Capacitor

: 1.0μF Ceramic Capacitor Compatible

Small Packages

: USP-6C, SOT-26

■TYPICAL

APPLICATION CIRCUITS

■TYPICAL

PERFORMANCE

CHARACTERISTICS

●負荷過渡応答

●Load

Transient Response

XC6416CCxxER(V

OUT

=2.8V)

=3.8V、Ta=25℃

tr=5μs

=1.0μF(ceramic)、C

=1.0μF(ceramic)

2.9

2.8

Ouput Voltage ： V

OUT

[V]

2.7

2.6

2.5

2.4

2.3

OUT

=0.1mA

Output Current ： I

OUT

=50mA

300

Output Voltage ： V

OUT

（HS Mode）

250

200

150

100

Output Current ： I

OUT

[mA]

Output Voltage ： V

OUT

（GO Mode）

Time （10μs/div）

1/30

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