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LT3971EDD-TRPBF 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LT3971EDD-TRPBF
38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current
Linear Technology
LT3971EDD-TRPBF Datasheet PDF : 28 Pages
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BLOCK DIAGRAM
LT3971/LT3971-3.3/LT3971-5
V
IN
C1
R
T
V
IN
INTERNAL 1.19V REF
1V
+
–
SHDN
EN
RT
–
+
Σ
SLOPE COMP
OSCILLATOR
200kHz TO 2MHz
SYNC
PG
1.09V
ERROR AMP
+
–
Burst Mode
DETECT
V
C
CLAMP
V
C
C5
GND
FB
R2
R1
R2 R1
LT3971-3.3
LT3971-5
ONLY
V
OUT
SWITCH
LATCH
R
Q
S
BD
BOOST
SW
1µA
SS
SHDN
LT3971
ONLY
C5
LT3971-3.3: R1 = 6.39M, R2 = 3.61M
LT3971-5: R1 = 7.62M, R2 = 2.38M
C3
L1
D1
V
OUT
C2
R3
C4
3991 BD
3971fd
9
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