FAN2560(2008) Ver la hoja de datos (PDF) - Fairchild Semiconductor

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Fabricante

FAN2560
(Rev.:2008)

350mA Low-VIN LDO with Fast Transient Response

Fairchild Semiconductor 

Electrical Characteristics

VBAT=2.9V to 5.5V, VIN=VOUT + 0.3V, TA=-40°C to +85°C, Test Circuit Figure 1, unless otherwise noted. Typical

values are at TA=25°C, VBAT=3.6V, ILOAD=1mA, VEN=1.8V.

Symbol

Parameter

Power Supplies

VBAT Battery Input Supply

Conditions

(VOUT + 1.4V) < VBAT

Min. Typ. Max. Units

2.9

5.5

V

VIN

Input Voltage Range

VIN < VBAT

VOUT +

VDO

VBAT

V

IBAT

VBAT Supply Current

ILOAD=0µA

55

70

μA

IIN

VIN Supply Current

ILOAD=0µA

4

11

μA

IVBATSD VBAT Shutdown Supply Current

VBAT=3.6V, EN=GND

0.01 1.00 μA

IVINSD VIN shutdown Supply Current

VBAT=3.6V, EN=GND

0.01 1.00 μA

VUVLO Under-voltage Lockout Threshold

VBAT Falling Edge

Hysteresis

2.0 2.4

V

0.05

V

V(EN)

Enable High-level Input Voltage

Enable Low-level Input Voltage

1.1

V

0.4

I(EN) Enable Input Leakage Current

EN=VIN or GND

0

0.5

μA

Regulation

IOUT Maximum Output Current

VDO

Dropout Voltage with Respect to VIN(2) ILOAD=350mA

350

mA

70 200 mV

∆VOUT Output Voltage Accuracy

Over Full VIN, IOUT, and

Temperature Range

-2

2

%

∆VOUTline Line Regulation

∆VOUTload Load Regulation

Over Full VIN, VBAT, IOUT

Range

<6

mV

ISCP Short-circuit Current Limit

400

mA

ISU

Start-up Peak Current

VBAT and VIN

applied, EN

from L to H,

no load, TA=

-30C to +85C

3V<VBAT

<4.5V

2.9V<VBAT

<5.5V

130 300

mA

500

TSD Thermal Shutdown

Rising Temperature

Hysteresis

150

°C

10

°C

PSRR Power Supply Rejection Ratio

VIN, 10Hz to 10kHz

VBAT, 10Hz to 10kHz

> 60

dB

> 50

en

Output Noise Voltage

10Hz to 100kHz

60

µVRMS

Timing Characteristics

Peak

∆VOUTline

Line Transient Response

600mV, tRISE=tFALL=10µs

±2

mV

Peak

Load Transient Response

∆VOUTload

0 to 300mA, tRISE=tFALL=1µs

±15

mV

tON

Turn-on Time

70 200 µs

Note:

2 Dropout voltage is the minimum input to output differential voltage needed to maintain VOUT in regulation, in

specified conditions

© 2006 Fairchild Semiconductor Corporation

FAN2560 • Rev. 1.0.0

4

www.fairchildsemi.com

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