CAT4134

Doc. No. MD-5021 Rev. B

2

© Catalyst Semiconductor, Inc.

Characteristics subject to change without notice.

ABSOLUTE MAXIMUM RATINGS

Parameters

Ratings

Units

SW voltage

20

V

VIN voltage

8

V

EN, FLASH, RSET, RFLASH voltage

VIN + 0.6V

V

LED1, LED2 voltage

8

V

Output Current per Channel

300

mA

Storage Temperature Range

-65 to +160

°C

Junction Temperature Range

-40 to +125

°C

Lead Temperature

300

°C

ESD Rating – Human Body Model (HBM)

2000

V

RECOMMENDED OPERATING CONDITIONS

Parameter

Range

Units

VIN

2.8 to 4.2

V

Ambient Temperature Range

-40 to +85

°C

Flash mode current per channel

25 to 250

mA

Movie mode current per channel

5 to 50

mA

ELECTRICAL OPERATING CHARACTERISTICS

Over recommended operating conditions unless specified otherwise.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

Quiescent Current

(not switching)

100

250

µA

Shutdown Current

EN = 0V

1

µA

Switch Current Limit

Movie Mode (FLASH = Low)

Flash Mode (FLASH = High)

0.5

1.7

1

2

A

Switch Resistance

0.3

0.5

Ω

Switch Leakage Current

5

µA

Oscillator Frequency

Movie Mode

Flash Mode

1.2

0.9

MHz

OVP pin threshold

1.10

1.20

1.30

V

η

Efficiency

85

%

Thermal Shutdown

150

ºC

Thermal Hysteresis

20

ºC

Undervoltage Lock Out

(UVLO) Threshold

1.9

2.2

V

EN LOGIC CONTROL INPUT

Logic High Threshold

Logic Low Threshold

0.4

0.7

0.7

1.5

V

Input Bias current

EN = 3V

10

40

µA