P3596

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R103-023.I



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Maximum Supply Voltage

VCC

40

V

Operating Voltage

VOPR

4.5 ~ 35

V

ON/OFF Pin Input Voltage

VON/OFF

-0.3 ~ +20

V

Feedback Pin Voltage

VFB

-0.3 ~ +20

V

Output Voltage to Ground (Steady State)

VOUT

-1

V

Power Dissipation

PD

Internally limited

mW

Junction Temperature

TJ

+150

°C

Ambient Operating Temperature

TOPR

-40 ~ +125

°C

Storage Temperature

TSTG

-65 ~ +150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

TO-220B

45

TO-220-5

45

Junction to Ambient

TO-263-5

θJA

55

°C/W

TO-220B

3

TO-220-5

3

Junction to Case

TO-263-5

θJC

4

°C/W



ELECTRICAL CHARACTERISTICS

(TJ=25°C, VIN=12V for the 3.3V, 5V, and Adjustable version and VIN=24V for the 12V version, ILOAD=500mA.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

2.5V

3.8V≦VIN≦35V, 0.2A≦ILOAD≦3A

2.4

2.5

2.6

V

3.3V

4.75V≦VIN≦35V, 0.2A≦ILOAD≦3A 3.168

3.3

3.432

V

5.0V

7V≦VIN≦35V, 0.2A≦ILOAD≦3A

4.8

5.0

5.2

V

Output Voltage

12V

VOUT

15V≦VIN≦35V, 0.2A≦ILOAD≦3A

11.52

12.0

12.48

V

2.5V

VIN=12V, ILOAD=3A

73

%

3.3V

VIN=12V, ILOAD=3A

73

%

5.0V

VIN=12V, ILOAD=3A

80

%

Efficiency

12V

η

VIN=24V, ILOAD=3A

90

%

FOR P3596-ADJ

Feedback Voltage

VFB

4.5V≦VIN≦35V, 0.2A≦ILOAD≦3A

VOUT programmed for 3V

1.193 1.230

1.267

V

Efficiency

η

VIN=12V, VOUT=3V, ILOAD=3A

73

%

ALL OUTPUT VOLTAGE

Feedback Bias Current

IBIAS

Adjustable Version Only, VFB=1.3V

10

50

nA

Oscillator Frequency

fOSC

(Note 1)

127

150

173

kHz

Saturation Voltage

VSAT

IOUT=3A (Note 2, 3)

1.16

1.4

V

Min

ON (Note 3)

100

Duty Cycle

Max

DC

OFF(Note 4)

0

%

Current Limit

ILIMIT

Peak Current (Notes 2, 3)

3.6

4.5

6.9

A

Output=0V (Notes 2, 4)

50

μA

Output Leakage Current

ILEAK

Output=-1V, VIN = 40V

2

30

mA

Quiescent Current

IQ

(Note 4)

5

10

mA

Standby Quiescent Current

ISTBY

ON/OFF pin=5V (OFF), VIN = 40V

80

200

μA