CM3708A

ORDERING INFORMATION

Part Number

Temperature Range

Package

CM3708AIT

-40℃ to 85℃

16-Pin PTSSOP (PT16)

CM3708AGIT*

-40℃ to 85℃

16-Pin PTSSOP (PT16)

CM3708AIS

-40℃ to 85℃

16-Pin PSOP (PS16)

CM3708AGIS*

-40℃ to 85℃

16-Pin PSOP (PS16)

ABSOLUTE MAXIMUM RATINGS

Junction Temperature ...…………………… …………150°C

Absolute maximum ratings are those values beyond which the

device could be permanently damaged.

Storage Temperature ……................……. -65°C to 125°C

PVIN/VIN …………......................................….......-0.3V to 6.0V

Lead Temperature (Soldering, 5 sec)……………….. 260°C

Voltage on Any Other Pin ………... GND – 0.3V to VIN + 0.3V

Output Current, Source or Sink ……......…………........…...3.0A

OPERATING CONDITIONS

Temperature Range ............................. -40°C to 85°C

VIN=+3.3V and PVIN=+3.3V)

maximum ratings are stress ratings only and functional device operation is not implied.

(Note 1)

CM3708A

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SWITCHING REGULATOR

Adjustable Output Voltage

0

VIN

V

fsw

Switching Frequency

CM3708A

480

660

KHz

Maximum Output RMS Current

CM3708A

3.0

A

Maximum Output Peak Current

CM3708A

6.0

A

Current limit

CM3708A

6

A

MOSFETs

Drain to Source on-State Resistance

PVIN=5V

150

180

mΩ

SUPPLY

Quiescent Current

VFB = 1.4V

LC unconnected

200

µA

Quiescent Current

VFB = 1.4V

LC unconnected

500

µA

Note 1:

Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions

Note 2:

VIN, PVIN = 3.3V ±10%

Note 3:

It’s not 100% test

2004/12/13

Champion Microelectronic Corporation

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