UPSL1630

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 7

www.unisonic.com.tw

QW-R502-A010.b



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

-0.3~25

V

All Other Pins Voltage

-0.3~6

V

Junction Temperature

150

°C

Storage Temperature

-55~150

°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.



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

7.2~18

V

Operating Temperature

-40~105

°C



THERMAL RESISTANCE

PARAMETER

SYMBOL

RATINGS

UNIT

Case to Ambient

128

°C/W



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Start-up

Start up Current

25

50

μA

UVLO

7.2

8.5

V

Start-Up Voltage

17.5

18.5

20

V

Supply Current

Quiescent Current

No Switching

1.2

mA

Operating Current

Fs=70kHz

3

mA

Control Loop

Primary Current Sense Voltage

392

400

408

mV

Upper Limit of COMP

2.1

2.2

2.4

V

Off Time of DRV

10

11

12

μS

Short Circuit Protection Threshold at

DSEN Pin

SCP

200

mV

Over Voltage Protection

Threshold at DSEN

OVP1

3.2

V

Over Voltage Protection

OVP2

19.2

23.5

V

Current Sense

Leading Edge Blanking of CS

LEB

300

nS

Over Current Protection at CS Pin

OCP

2.2

2.4

V

Thermal Protection

Over Temperature Protection

OTP

150

°C

Over Temperature Release Hysteresis

15

°C

Drive Stage

Rising Time (Note 1)

50

nS

Falling Time (Note 1)

30

nS

Note: 1. Guaranteed by design.