Datasheet

LTC3226
8
3226f
BLOCK DIAGRAM
+
–
7
6
4
5
3
+
–
0.8V
0.74V
LDO_FB
RST_FB
16
CPO
14
VMID
10
CPO_FB
CAPGOOD
RST
LDO
GATE
EXTERNAL PFET
1.2V
PFI
V
IN
2.5V TO 5.5V
R
PF1
R
FB1
C
OUT
V
OUT
R
FB2
R
CP2
3226 F01
R
CP1
R
PF2
8
EN_CHG
9
PROG
R
PROG
15
C
+
17
GND
12
C
–
2.2µF
13
V
IN
2
PFO
15mV
IDEAL DIODE
CONTROLLER
1.11V
–
+
–
+
1V
–
+
DELAY
+
–
1x/2x MODE
CHARGE PUMP
2.65V CLAMP/
BALANCER
11
C
SC
–
+
Figure 1. LTC3226 Block Diagram