LD7890

6

Leadtrend Technology Corporation

www.leadtrend.com.tw

LD7890-DS-01 November, 2013

Absolute Maximum Ratings

VIN

30V

-0.3V ~ 30V

DRV

-0.3V ~ 16V

-0.3V ~ 5.5V

COMP, RT, OVP, DIM, EN, PARL, STATUS, LOSC

-0.3V ~ 5.5V

GND

0.3V

Package Thermal Resistance

TSSOP-EP-24,



JA

50

C/W

SOP-24,



JA

75

C/W

Power Dissipation (Ta=85

C)

TSSOP-EP-24

800mW

SOP-24

867mW

Storage Temperature Range

-65

C ~ 150C

Junction Temperature

150

C

Lead Temperature (Soldering, 10sec)

260

C

ESD Level, Human Body Model

3.5KV

2.5KV

ESD Level, Machine Model

200V

Recommended Operating Conditions

Input Supply Voltage

12V ~ 24V

Switching Frequency

100K ~ 600KHz

DIM, EN

0V ~ 5V

PWM Frequency

100Hz ~ 800Hz

PWM Dimming Duty

5% ~ 100%

Operating Junction Temperature Range

-40

C~125C

Caution:

Stress exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stress above Recommended Operating Conditions may affect

device reliability.