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LT3782AEUFD-TRPBF(RevC) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LT3782AEUFD-TRPBF
(Rev.:RevC)
2-Phase Step-Up DC/DC Controller
Linear Technology
LT3782AEUFD-TRPBF Datasheet PDF : 20 Pages
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LT3782A
Block Diagram
V
IN
C
IN
20µF
V
CC
27
R6
RUN
17
R8
REGULATOR
+
0.5V
V
GBIAS
= V
CC
– 1V AND CLAMPED AT 11V
+
A5
–
LOW POWER
SHUTDOWN
+
A11
+–
7V
+
A7
+–
2.44V
A4
+
2.5V
+
A12
BGATE1
–
PWM1
A3
SLOPE COMP
CH1
R3
A8
+
A6
V
CC
– 2.5V
L1
15µH
GBIAS1
22
GBIAS2
21
GBIAS
28
L2
15µH
C3
2µF
V
OUT
D1
D2
+
C
OUT
100µF
R
F1
R
F2
A20
A1
ONE SHOT
SGATE1
2
DELAY
6
R
SET
GBIAS1
A13
A14
A9
BLANKING
BGATE1
23
R1
50k
SENSE1
+
8
SENSE1
–
9
V
EE1
24
M1
R7
10Ω
R
S1
C2
2nF
BGATE1
SGATE1
SET
DELAY
CL1
+
60mV
+
2.5V
BGATE2
A15
+
A16
–
A17
DELAY
SGATE2
1
ONE SHOT
SLOPE
10
SYNC
5
SLOPE
COMP
R
FREQ
R
SET
11
OSC
C5
+
20pF
GND
4
SET
CH1
SR
CH2
SR
PWM2
CK Q
D
Q
LOGIC
A10
CL2
7
DCL
GBIAS2
BGATE2
A18
A19
A2
20
M2
SLOPE COMP
CH2
R4
BLANKING
R2
50k
SENSE2
+
13
SENSE2
–
12
V
EE2
19
R9
10Ω
R
S2
C4
2nF
GM
60mV
V
C
15
R5
2k
C1
2000pF
D6
D7
D4
I1
10µA
SS
14
C7
10nF
FB
16
3782A BD
NOTE:
V
REF
PACKAGE BOTTOM METAL PLATE (PIN 29)
IS FUSED TO CHIP DIE AGND
4V
3782afc
For more information
www.linear.com/LT3782A
7
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