LDS8720

© 2011 IXYS Corp.

2

Doc. No. 8720DS, Rev. N1.1

Characteristics subject to change without notice

ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

6

V

40

V

EN/SET voltage

V

Storage Temperature Range

-65 to +160

°C

Junction Temperature Range

-40 to +125

°C

8-pin TDFN package Thermal Resistance

65

°C/W

Soldering Temperature

300

°C

RECOMMENDED OPERATING CONDITIONS

Parameter

Rating

Unit

2.7 to 5.5

V

Ambient Temperature Range

-40 to +85

°C

Typical application circuit with external components is shown on page 1.

ELECTRICAL OPERATING CHARACTERISTICS

Name

Conditions

Min

Typ

Max

Units

1

Quiescent Current

3

mA

Shutdown Current

1

µA

LED Current Accuracy

At factory preset value

±3

%

Oscillator Frequency

0.7

MHz

Maximum Duty Cycle

92

%

NMOSFET Switch On Resistance

0.3

Ω

PMOSFET Switch On Resistance

1.5

Ω

Switch Leakage Current

0.1

µA

Switch Current Limit

1.9

A

Dropout/Current sense voltage

At factory preset value

250

mV

PWM Frequency

0.1

30

kHz

Input Resistance (pull down)

250

k

Ω

High

1.4

EN/PWM

Pin

Logic Level

Low

0.4

V

Thermal Shutdown

150

Thermal Hysteresis

20

°C

Over-Voltage Protection

36

V

Soft Start Time

1.5

ms

Delay Time to Shutdown

EN = 0

10

ms