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): 2/6頁
文件大?。?/td> 146K
代理商: CM3718C
CM3718C
1.5A L
OW
-N
OISE
PWM S
TEP
-D
OWN
R
EGULATOR
PIN DESCRIPTION
Pin No.
Symbol
2002/11/14
Champion Microelectronic Corporation
Page 2
Description
Operating Rating
Typ.
Min.
Max. Unit
1
VIN
Voltage supply for internal circuits
2
2.5
5
V
2
GND
Ground for internal reference voltage divider
3
SD
Shutdown active high. CMOS input level
0.75 x
VIN
VIN +
0.3V
V
4
VREF
V
OUT
Set Voltage
1.1
VIN
V
5
VFB
Feedback node for the V
OUT
VREF
V
6
PGND
Ground for output power transistors
7
LX
Inductor connection to the Drains of the internal power MOSFETs
5
V
8
PVIN
Voltage supply for output power transistors
2
2.5
5
V
ORDERING INFORMATION
Part Number
Temperature Range
Package
CM3718CIS
-40
to 85
8-Pin SOP (S08)
BLOCK DIAGRAM
PWM Controller
Oscillator Ramp Generator
Error Amp
Thermal
Protection
MOS
VREF
GND
4
2
VFB
5
PGND
6
LX
7
PVIN
8
VIN1
1
SD
3
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