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LTC3633A 参数 Datasheet PDF下载

LTC3633A图片预览
型号: LTC3633A
PDF下载: 下载PDF文件 查看货源
内容描述: 双通道3A, 20V单片同步降压型稳压器 [Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator]
分类和应用: 稳压器
文件页数/大小: 28 页 / 627 K
品牌: Linear [ Linear ]
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LTC3633A/LTC3633A-1  
BLOCK DIAGRAM  
C
IN  
RUN  
1.22V  
V
V
IN  
ON  
140k  
A
V
= 1  
+
RUN  
INTV  
CC  
V
IN  
0.6V (LTC3633A)  
1.5V (LTC3633A-1)  
6V (LTC3633A)  
12V (LTC3633A-1)  
RUN  
I
ON  
I
V
VON  
ON  
OSC1  
R
S
t
ON  
=
CONTROLLER  
ON  
I
ION  
Q
BOOST  
SW  
SWITCH  
LOGIC  
TG  
AND  
M1  
M2  
C
BOOST  
L1  
ANTI-  
SHOOT  
THROUGH  
C
OUT  
BG  
I
I
REV  
CMP  
PGND  
+
+
COMP  
SELECT  
SENSE  
+
SENSE  
R2  
R1  
ITH  
FB  
R
C
IDEAL DIODES  
C
0.6V  
REF  
C1  
EA  
0.648V  
+
+
INTERNAL  
SOFT-START  
0V  
PGOOD  
INTV  
CC  
1.4μA  
TRACKSS  
TRACK  
+
+
FC BURST  
UV  
SS  
MODE  
SELECT  
C
SS  
0.552V  
0.48V AT START-UP  
0.10V AFTER START-UP  
CHANNEL 1  
OSC1  
RT  
OSC  
PLL-SYNC  
MODE/SYNC  
INTV  
OSC  
CC  
3.3V  
REG  
R
V
IN1  
RT  
C
VCC  
PHMODE  
PHASE  
SELECT  
V2P5  
2.5V  
REG  
OSC2  
SGND  
CHANNEL 2 (SAME AS CHANNEL 1)  
3633a BD  
3633a1f  
10  
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