LTC1682-3.3 LINER [Linear Technology], LTC1682-3.3 Datasheet - Page 7
LTC1682-3.3
Manufacturer Part Number
LTC1682-3.3
Description
Doubler Charge Pumps with Low Noise Linear Regulator
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC1682-3.3.pdf
(12 pages)
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BLOCK DIAGRA
V
4.7 F
IN
1nF
C4
SHDN
FILT
2
3
6
W
POWER-
REGEN
SM
RESET
ON
ENB
200k
V
REF
SD
Figure 2. LTC1682-3.3/LTC1682-5 Block Diagram
= 1.235V
C
+
SLEW CONTROL
120k/65.5k
CHARGE PUMP
V
OSCILLATOR
IN
7
550kHz
0.22 F
AND
C1
RA
CLK1
5
C
–
RB
200k
REG B
REGEN
–
+
LTC1682/LTC1682-3.3/LTC1682-5
ENB
1 A/2 A
LDO
4
1:100
GND
–
+
+
–
SD
100
328k
275k
38k
1
8
1682 F02
CPO
C2
4.7 F
C3
4.7 F
V
OUT
7
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