ltc3576 Linear Technology Corporation, ltc3576 Datasheet - Page 45

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

TYPICAL APPLICATIONS
ADAPTER
WALL
USB,
FIREWIRE, ETC.
AUTOMOTIVE
100k
R2
100k
MICROCONTROLLER
PUSHBUTTON
T
6.2k
R1
1k
TRANSIENTS TO 60V
M1
7.5V TO 36V
Overvoltage Protection on Both Inputs, Low-Battery Start-Up and USB On-the-Go
0805
22μF
ON-THE-GO
C2
0.1μF
0402
C1
High Effi ciency USB/Automotive Power Manager with Current Limiting and
USB
4.7μF
34.2k
1μF
13, 14
3.01k
35
34
29
12
30
10
22
19
11
37
38
1
3
5
6
3
4
1
2
V
V
OVGATE
OVSENS
NTCBIAS
NTC
PROG
CLPROG
LDO3V3
DV
CHRG
EN1
EN2
EN3
ENOTG
I
I
V
I
I
LIM
2
LIM0
LIM1
IN
BUS
BUS
C
CC
V
V
LTC3576/LTC3576-1
C
C
26
4
LT3653
ACPR
GND
9
28
HVOK
WALL
BOOST
IDGATE
I
2
SENSE
27
RST3
V
V
SW1
SW2
SW3
V
V
V
OUT
BAT
SW
OUT
FB1
FB2
FB3
SW
IN1
IN2
IN3
36
33
31
32
8
9
7
24
23
25
16
17
20
21
7
8
6
5
C1, C3: TAYIO YUDEN JMK212BJ226MG
D1: DIODES INC. DFLS140
L1: COILCRAFT MSS6132-472MLC
L2: COILCRAFT LPS4018-332LM
L3, L4: TOKO 1098AS-4R7M
L5: TOKO 1098AS-2R0M
3.3μH
4.7μH
4.7μH
Li-Ion
2μH
L2
L3
L4
L5
D1
0.47μF
+
1.02M
324k
1.02M
365k
751k
806k
4.7μH
L1
C3
22μF
0805
10pF
10pF
10pF
22μF
LTC3576/LTC3576-1
10μF
10μF
10μF
M1: FAIRCHILD FDN327S
R1: 1/10W RESISTOR
R2: CURVE 1
1μF
1μF
1μF
1.61V TO 3.03V
1.76V TO 3.3V
0.8V TO 1.51V
10k
400mA
400mA
TO OTHER
LOADS
1A
I/O
CORE
MICROPROCESSOR
MEMORY
POR
3576 TA05
45
3576f