CM3708 데이터 시트보기 (PDF) - Unspecified
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CM3708 Datasheet PDF : 6 Pages
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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(θJC )….. ………………….. .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 TA=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
VREF
Adjustable Output Voltage
fsw
Switching Frequency
IOUT(RMS)
Maximum Output RMS Current
IOUT(PEAK)
Maximum Output Peak Current
MOSFETs
RDS(ON) Drain to Source on-State Resistance
SUPPLY
IVIN
Quiescent Current
IPVIN
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
mΩ
µA
µA
2004/09/15 Rev. 1.2
Champion Microelectronic Corporation
Page 3
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