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参数资料
| 型号： | LSP3112LAD |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO10 |
| 封装： | 3 X 3 MM, PLASTIC, DFN-10 |
| 文件页数： | 4/11页 |
| 文件大小： | 396K |
| 代理商： | LSP3112LAD |
Liteon Semiconductor Corporation
LSP3112
Dual Channel 1.5 MHZ, 600mA Synchronous Step-Down Converter
Rev1.1
2/11
PIN DESCRIPTION
BLOCK DIAGRAM
Pin Number
Pin Name
Pin Function
1
VFB1
Channel 1 output feedback. It receives the feedback voltage from the
external resistive divider across the output.
2
RUN1
Channel 1 Enable
3
VIN
Power Supply
4
SW1
Channel 1 power switch output
5
GND
Ground
6
NC
No Connection
7
SW2
Channel 2 power switch output.
8
POR
Power On Reset.
9
RUN2
Enable Pin of Channel 2.
10
VFB2
Channel 2 output feedback. It receives the feedback voltage from the
external resistive divider across the output.
11
EXPOSED PAD
Power Ground. It must be connect to ground properly.
8
Regulator 1
+
-
VFB2
_Q
600mV
ICOMP
PWM
7
SLOPE.COMP
Q
S
CO
NT
RO
L
10
REFERENCE
BANDGAP
NO
N.
3
R
ICMP
RUN1
LOGIC
650mV
COUNTER
EA
OVDET
SW1
POR
ISENCE
+
-
+
-
1
9
VFB1
2
4
POR
VIN
O
VER
LA
P
RUN2
+
-
SW2
+
-
OSC
REGULATOR 2(The same structure as regulator 1)
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