AP1250CMP datasheet(2/5 Pages) A-POWER

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Electrical Characteristics

VIN=2.5V/1.8V/1.5V, VCNTL=3.3V, VREFEN=1.25V/0.9V/0.75V, COUT=10µF (Ceramic)), TA=25ºC, unless otherwise specified

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Input

VCNTL Operation Current

ICNTL

IOUT=0A

2.5

Standby Current

ISTBY

VREFEN < 0.2V (Shutdown),RLOAD = 180Ω

µA

Output (DDR / DDR II / DDR III)

Output Offset Voltage

(3)

VOS

IOUT= 0A

-20

+20

IOUT= +2A

Load Regulation

(4)

VLOAD

IOUT= -2A

-20

+20

Protection

Current limit

ILIM

2.2

Thermal Shutdown Temperature

TSD

3.3V ≤ VCNTL ≤ 5V

125

170

Thermal Shutdown Hysteresis

TSD

3.3V ≤ VCNTL ≤ 5V

℃

REFEN Shutdown

VIH

Enable

0.6

Shutdown Threshold

VIL

Shutdown

0.2

Note 1:

Exceeding the absolute maximum rating may damage the device.

Note 2:

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

Note 3:

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

Note 4:

Regulation is measured at constant junction temperature by using a 5ms current pulse. Devices are tested for load

regulation in the load range from 0A to 2A.

AP1250CMP

Advanced Power

Electronics Corp.

Absolute Maximum Rating

(1)

Parameter

Symbol

Value

Unit

Input Voltage

VIN

Control Voltage

VCNTL

Power Dissipation

Internally Limited

Storage Temperature Range

-65 to 150

°C

Lead Temperature (Soldering, 5 sec.)

TLEAD

260

°C

Package Thermal Resistance

ΘJC

ºC/W

Operating Rating

(2)

Parameter

Symbol

Value

Units

Input Voltage

VIN

2.5 to 1.5 ±3%

Control Voltage

VCNTL

5.5 or 3.3 ±5%

Ambient Temperature

-40 to +85

℃

Junction Temperature

-40 to +125

℃

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