AS1374 datasheet(4/14 Pages) AMSCO

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AS1374

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

VIN = VOUT + 0.5V, VOUT = 2.85V, CIN = COUT = 1µF, TAMB = -40°C to +85ºC (unless otherwise specified). Typ values

are at TAMB = +25ºC.

Table 3. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIN

Input Voltage Range

5.5

ΔVOUT

Output Voltage Accuracy

IOUT = 1mA, TAMB = +25ºC

-1

IOUT = 100µA to 200mA, TAMB = +25ºC

-1.5

+1.5

IOUT = 100µA to 200mA

-2.5

+2.5

IOUT

Maximum Output Current

each channel

200

IGND

Ground Current

one channel on, IOUT = 50µA

µA

one channel on, IOUT = 200mA

µA

ILIMIT

Current Limit

OUT = short

210

300

400

Dropout Voltage

1. Dropout is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V.

2.5V

≤ VOUT < 3V, IOUT = 100mA

120

Quiescent Current

both channels on, IOUT = 0.05mA

µA

both channels on, VIN = VOUTNOM - 0.1V,

IOUT = 0mA

VLNR

Line Regulation

VIN = (VOUT +0.5V) to 5.5V, IOUT = 1mA

0.02

%/V

VLDR

Load Regulation

IOUT = 1 to 200mA

0.0005

%/mA

ISHDN

Shutdown Current

OUT 1 and OUT 2 disable

0.01

µA

PSRR

Ripple Rejection

f = 1kHz, IOUT = 10mA

f = 10kHz, IOUT = 10mA

f = 100kHz, IOUT = 10mA

Output Noise Voltage (RMS)

f = 100Hz to 100kHz, ILOAD = 20mA

µV

Enable

Enable Input Bias Current

0.01

µA

Enable Exit Delay

2. Time needed for VOUT to reach 90% of final value.

Note: All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or

SQC (Statistical Quality Control) methods.

both channels initially off

150

µs

one channel initially off

200

Enable Logic Low Level

0.4

Enable Logic High Level

1.4

Thermal Protection

TSHDN

Thermal Shutdown

Temperature

160

ºC

ΔTSHDN

Thermal Shutdown

Hysteresis

ºC

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