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LTC3527EUD-1-TR 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC3527EUD-1-TR
Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters
Linear Technology
LTC3527EUD-1-TR Datasheet PDF : 22 Pages
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BLOCK DIAGRAM
V
IN
0.88V
TO 5V
SW1
6
L1
4.7μH
4
V
IN1
OSC1
C
IN
4.7μF
START1
SD1
SHDN1
V
REF_GD
1
SHUTDOWN
AND V
BIAS
ANTI-RING
PWM
LOGIC
AND
DRIVERS
SD1
LTC3527/LTC3527-1
BULK CONTROL SIGNALS
V
IN
V
OUT
V
OUT1
5
0.40Ω
0.30Ω
CURRENT
SENSE
–
I
ZERO
COMP
V
OUT1
1.6V TO 5.25V
PWM
COMP
I
LIM
REF
SLOPE COMPENSATION
MODE
CONTROL
MODE
WAKE1
V
C1
FB1
2
1.20V
ERROR
AMPLIFIER
PGOOD1
16
SLP1
FB1
BURST 1
SD1
TSD
1.20V - 9%
CONVERTER 1
SOFT-START
V
C
CLAMP
15
V
IN
10
FSEL
3
MODE
V
REF_GD
OSCILLATOR
START-UP
OSCILLATOR
OSC1
SLP1
OSC2
SLP2
REFERENCE
UVLO
THERMAL SD
START1
START2
SHARED
V
REF_GD
1.20V
1.20V
-
9%
GND
14
TSD
EXPOSED
PAD/
17
PGND
SW2
7
L2
4.7μH
V
IN2
9
OSC2
START2
SD2
SHDN2
V
REF_GD
12
SHUTDOWN
AND V
BIAS
ANTI-RING
PWM
LOGIC
AND
DRIVERS
SD2
BULK CONTROL SIGNALS
V
IN
V
OUT
V
OUT2
8
0.60Ω
0.50Ω
CURRENT
SENSE
–
I
ZERO
COMP
R1
C
OUT1
4.7μF
R2
V
OUT2
1.6V TO 5.25V
PWM
COMP
I
LIM
REF
SLOPE COMPENSATION
MODE
CONTROL
MODE
WAKE2
V
C2
R3
FB2
11
1.20V
R4
ERROR
AMPLIFIER
PGOOD2
13
SLP2
FB2
BURST2
SD2
TSD
1.20V - 9%
CONVERTER 2
SOFT-START
V
C
CLAMP
C
OUT2
4.7μF
35271fc
9
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