參數(shù)資料
型號: CM3718C
英文描述: Low Noise PWM Step-Down Regulator |Battery Management ICs
中文描述: 低噪音PWM降壓穩(wěn)壓器|電池管理IC
文件頁數(shù): 3/6頁
文件大小: 146K
代理商: CM3718C
CM3718C
1.5A L
OW
-N
OISE
PWM S
TEP
-D
OWN
R
EGULATOR
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which the
device could be permanently damaged.
2002/11/14
Champion Microelectronic Corporation
Page 3
Junction Temperature ...…………………… …………150°C
Storage Temperature ……................……. -65°C to 125°C
PVIN/VIN ………….....................................….......-0.3V to 5.0V
Voltage on Any Other Pin ………... GND – 0.3V to VIN + 0.3V
Output Current, Source or Sink ……......…………........…...1.5A
OPERATING CONDITIONS
Temperature Range ............................. -40°C to 85°C
P
VIN
Operating Range .........................2.0V to 4.0V
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)
Lead Temperature (Soldering, 5 sec)……………….. 260°C
Thermal Dissipation
(
θ
JC
)….. ………………….. .50°C/W
CM3718C
Typ.
Symbol
Parameter
Test Conditions
Min.
Max.
Unit
SWITCHING REGULATOR
V
REF
fsw
I
OUT(RMS)
I
OUT(PEAK)
MOSFETs
Adjustable Output Voltage
Switching Frequency
Maximum Output RMS Current
Maximum Output Peak Current
VREF
VIN
1.5
3
V
CM3718C
CM3718C
CM3718C
1.2
MHz
A
A
RDS
(ON)
SUPPLY
Drain to Source on-State Resistance
PVIN=5V
250
m
Ω
I
VIN
Quiescent Current
VFB = 1.4V
LC unconnected
VFB = 1.4V
LC unconnected
220
μA
I
PVIN
500
μA
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