ltc3576 Linear Technology Corporation, ltc3576 Datasheet - Page 16

• Manufacturer Part Number: ltc3576
• Description: Switching Power Manager With Usb On-the-go + Triple Step-down Dc/dcs
• Manufacturer: Linear Technology Corporation

LTC3576/LTC3576-1
BLOCK DIAGRAM
16
NTCBIAS
CLPROG
OVSENS
OVGATE
ENOTG
CHRG
DV
V
V
I
I
LIM0
LIM1
NTC
SDA
EN1
EN2
EN3
SCL
BUS
BUS
CC
35
34
30
37
38
11
10
22
19
12
14
13
6
5
1
3
4
TEMPERATURE
OVP
MONITOR
BATTERY
DECODE
LOGIC
I
CHARGE
LIM
STATUS
OR 1.15V
I
2
C PORT
1.18V
SUSPEND LDO
500μA/2.5mA
5.1V
–
+
–
+
BIDIRECTIONAL
REGULATOR
SWITCHING
PowerPath
2.25MHz
4
4
4
–
+
+
D/A
D/A
D/A
3.6V
0.3V
+ –
CHARGER
CONTROL
CC/CV
ENABLE
ENABLE
ENABLE
400mA 2.25MHz
400mA 2.25MHz
V
V
26
REGULATOR
REGULATOR
REGULATOR
C
C
1A 2.25MHz
BUCK
BUCK
BUCK
GND
39
IDEAL
3.3V LDO
DETECT
WALL
–
+
15mV
+
–
3576 BD
27
28
36
33
31
32
29
24
23
25
16
17
20
21
2
8
9
7
WALL
ACPR
SW
LDO3V3
V
IDGATE
BAT
PROG
V
SW1
FB1
V
SW2
FB2
V
SW3
FB3
RST3
OUT
IN1
IN2
IN3
3576f