LTC1682-3.3 LINER [Linear Technology], LTC1682-3.3 Datasheet - Page 6

• Manufacturer Part Number: LTC1682-3.3
• Description: Doubler Charge Pumps with Low Noise Linear Regulator
• Manufacturer: LINER [Linear Technology]

BLOCK DIAGRA
LTC1682/LTC1682-3.3/LTC1682-5
6
V
IN
4.7 F
C4
SHDN
2
6
W
POWER-
REGEN
RESET
ON
ENB
SM
V
REF
SD
= 1.235V
C
+
SLEW CONTROL
CHARGE PUMP
V
OSCILLATOR
IN
7
0.22 F
550kHz
AND
C1
Figure 1. LTC1682 Block Diagram
CLK1
5
3
C
FB
–
REG B
REGEN
–
+
ENB
1 A/2 A
LDO
4
1:100
GND
–
+
+
–
SD
100
328k
275k
38k
1
8
CPO
R1
R2
C3
4.7 F
1682 F01
C2
4.7 F
V
OUT