P2583

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R103-052.B

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

28

V

Switch Voltage

V

Feedback Voltage

-0.3~6

V

Enable/UVLO Voltage

-0.3~6

V

Comp Voltage

-0.3~6

V

Sync Voltage

-0.3~6

V

Junction Temperature

150

°C

Storage Temperature

-65~+150

°C

Note:1. 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.

2. Exceeding these ratings may damage the device.

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

3.6~28

V

Ambient Operating Temperature

-40 ~ +125

°C

Note: 3. The device is not guaranteed to function outside its operating rating.

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

105

°C/W

Junction to Case

50

°C/W

Note: 4. Measured on approximately 1” square of 1 oz. Copper surrounding device leads.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Feedback Voltage

1.222

1.246

V

Switch On Resistance

0.11

Ω

Upper Switch Leakage

0

15

µA

Current Limit

3.3

A

Current Limit Gain.

Output Current to Comp Pin Voltage

5.5

A/V

Error Amplifier Transconductance

500

800

1100

µA/V

Oscillator Frequency

F

342

380

418

Short Circuit Frequency

F

25

50

75

Maximum Duty Cycle

90

%

Minimum Duty Cycle

0

%

Enable Threshold

1.2

V

Enable Pull Up Current

1.5

µA

Supply Current (quiescent)

2.2

3.5

mA

Shutdown Current

20

35

µA

Thermal Shutdown

T

160

°C