參數(shù)資料
型號: LM3211
廠商: National Semiconductor Corporation
英文描述: Step-up PWM DC/DC Converter Integrated with 4 Buffers
中文描述: 升壓PWM直流/直流轉換器集成有4緩沖器
文件頁數(shù): 2/21頁
文件大小: 821K
代理商: LM3211
Connection Diagram
Top View
20062204
TSSOP 20 package
T
JMAX
= 125C,
θ
JA
= 120C/W
(Note 1)
Pin Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
V
SW
V
IN
SHDN
FSLCT
Vs+
GMA1-in
GMA2-in
GMA3-in
GMA4-in
NC
NC
GMA4-out
GMA3-out
GMA2-out
GMA1-out
SS
V
C
FB
AGND
GND
Function
Power switch input.
Switching Regulator Power input.
Shutdown pin, active low.
Frequency Select pin. FSLCT = V
IN
for 1.25 MHz, FSLCT = AGND or floating for 600kHz.
Gamma Buffer input supply.
Gamma Buffer input.
Gamma Buffer input.
Gamma Buffer input.
Gamma Buffer input.
No Connection, leave open.
No Connection, leave open.
Gamma Buffer output.
Gamma Buffer output.
Gamma Buffer output.
Gamma Buffer output.
Soft start pin.
Boost Compensation Network Connection.
Output Voltage Feedback input.
Gamma Buffer ground, Analog ground connection for Regulator.
Switch Power Ground.
L
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