CM3708 Datasheet, PDF (3/6 Pages) List of Unclassifed Manufacturers – 3A LOOW NOISE PWM STEP DOWN REGULATOR

CM3708
3A LOW-NOISE PWM STEP-DOWN REGULATOR
ORDERING INFORMATION
Part Number
CM3708IT
CM3708GIT*
CM3708IS
CM3708GIS*
*Note: G : Suffix for Pb Free Product
Temperature Range
-40 to 85
-40 to 85
-40 to 85
-40 to 85
Package
16-Pin PTSSOP (PT16)
16-Pin PTSSOP (PT16)
16-Pin PSOP (PS16)
16-Pin PSOP (PS16)
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which the
device could be permanently damaged.
PVIN/VIN …………......................................….......-0.3V to 5.0V
Voltage on Any Other Pin ………... GND – 0.3V to VIN + 0.3V
Output Current, Source or Sink ……......…………........…...3.0A
Junction Temperature ...…………………… …………150°C
Storage Temperature ……................……. -65°C to 125°C
Lead Temperature (Soldering, 5 sec)……………….. 260°C
Thermal Dissipation( _JC )….. ………………….. .50°C/W
OPERATING CONDITIONS
Temperature Range ............................. -40°C to 85°C
PVIN Operating Range .........................2.0V to 5.0V
ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these specifications apply T_A=25°C;
VIN=+3.3V and PVIN=+3.3V) maximum ratings are stress ratings only and functional device operation is not implied.
(Note 1)
Symbol
Parameter
SWITCHING REGULATOR
V_REF
Adjustable Output Voltage
fsw
Switching Frequency
I_OUT(RMS)
Maximum Output RMS Current
I_OUT(PEAK)
Maximum Output Peak Current
MOSFETs
RDS_(ON) Drain to Source on-State Resistance
SUPPLY
I_VIN
Quiescent Current
I_PVIN
Test Conditions
CM3708
CM3708
CM3708
PVIN=5V
VFB = 1.4V
LC unconnected
VFB = 1.4V
LC unconnected
Min.
CM3708
Typ.
VREF
480
150
200
500
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
Max.
VIN
660
3.0
6.0
180
Unit
V
KHz
A
A
m
µA
µA
2004/09/15 Rev. 1.2
Champion Microelectronic Corporation
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