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APU1205

300mA ULTRA LOW DROPOUT POSITIVE ADJUSTABLE AND FIXED REGULATORS

Advanced Power Electronics Corp 

APU1205

APU1205-18 / APU1205-25 / APU1205-28

APU1205-30 / APU1205-33 / APU1205-36

ABSOLUTE MAXIMUM RATINGS

Input Voltage (VIN) ..................................................... 10V

Enable Input Voltage ................................................. 10V

Storage Temperature Range ....................................... -65°C To 150°C

Operating Junction Temperature Range ...................... 0°C To 150°C

PACKAGE INFORMATION

5-PIN SOT-23 (Y5)

En Gnd VIN

321

Adjustable

5-PIN SOT-23 (Y5)

En Gnd VIN

3 21

Fixed

4

Adj

5

VOUT

uJA=2568C/W

4

CBYP

5

VOUT

uJA=2568C/W

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over CIN=Co=22mF, Io=100mA, VIN(MIN)=2.5V(Adjustable

devices) VIN=Vo + 1V(for fixed voltage devices), VOUT=VFB(for adjustable version only), CBYP=470pF(for fixed voltage devices),

VENB=2V and TA=258C. Typical values refer to TA=258C. Low duty cycle pulse testing is used which keeps junction and

case temperatures equal to the ambient temperature.

PARAMETER

Reference Voltage

(See Table 1 for typical values)

Line Regulation

Load Regulation (Note 1)

Dropout Voltage (Note 2)

Ground Current (Note 3)

Ground Current-SD Activated

Current Limit

Thermal Regulation

Adjust Pin Current

Enable Pin Input LO Voltage

Enable Pin Input HI Voltage

Enable Pin Input LO Current

Enable Pin Input HI Current

SYM

Vo

DVI

DVL

DVI(O)

IQ

IQ(SD)

ICL

DVP

IADJ

VEN(L)

VEN(H)

TEST CONDITION

(Note 4)

Vo + 1V<VIN<10V

1mA<Io<100mA

100mA<Io<300mA

Io=100mA

Io=100mA (Note 4)

Io=50mA

Io=50mA (Note 4)

Io=150mA

Io=150mA (Note 4)

Io=300mA

Io=300mA (Note 4)

VEN=2V, Io=100mA

Io=100mA (Note 4)

Io=50mA

Io=50mA (Note 4)

Io=150mA

Io=150mA (Note 4)

Io=300mA

Io=300mA (Note 4)

VEN=0V to 0.8V or Open

Vo=0V

VIN=10V, Io=150mA, 10ms Pulse

VIN=2.5V, Vo=VADJ

Regulator OFF

Regulator ON

VEN(L)=0V to 0.8V

VEN(H)=2V to VIN

MIN TYP MAX UNITS

-1

1

%

-2

2

0.005

%/V

0.8

%

0.1

10

50 mV

13

70

85 110

100 140

170 220

204 260

270 350

324 400

120 160 mA

240

420 600

540

2200 2900

2900

7200 9500

9300

5

mA

320 420

mA

0.05

%/W

0.1

mA

0.8

V

2

V

0.01

mA

20

mA

2/4

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