AP1270AMP_14 datasheet(3/5 Pages) A-POWER

Nome de Peças	AP1270AMP

Descrição Electrónicos	2.5A SINK/SOURCE BUS TERMINATION REGULATOR

PDF	5 Pages

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Fabricante Electrônico	A-POWER [Advanced Power Electronics Corp.]

Página de início	http://www.a-power.com.tw

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3 / 5 page

Advanced Power

Electronics Corp.

AP1270AMP

Parameter

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

Current Limit

ILIM

2.6

Thermal Shutdown Temperature

TSD

3.3V < VCNTL < 5V

150

Thermal Shutdown Hysteresis

TSD

3.3V < VCNTL < 5V

-20

REFEN Threshold

VEN

0.15

0.4

Soft-Start Interval

TSS

∆VOUT=1V

0.8

Note3. VOS offset is the voltage measurement defined as VOUT subtracted from VREFEN.

Note4. Regulation is measured at constant junction temperature by using a 1ms(on) / 9ms(off) current pulse. Devices are tested for load regulation

in the load range from 10mA to 2.5A peak for source and -10mA to -2.5A peak for sink capability.

PIN DESCRIPTIONS

PIN SYMBOL

PIN DESCRIPTION

VIN

Power Input Voltage.

GND

Ground Pin

VOUT

Output Voltage

VCNTL

Gate Drive Voltage

REFEN

Reference Voltage Input and Chip Enable

BLOCK DIAGRAM

ELECTRICAL SPECIFICATIONS (Cont.)

Protection

ENABLE and Soft-Start

VCNTL

ENABLE

FUNCTION

Soft-Start

Function

GATE

CONTROL

LOGIC

OCP

Function

UVP

Function

OTP

Function

REFEN

VIN

VOUT

GND

ERROR

AMPLIFIER

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