DC1334A_15 Datasheet, PDF (1/1 Pages) Linear Technology – LTC3576EUFE: Switching Power Manager

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J1
USBMICRO-AB
A
VBUS ¹
D- ²
D+ ³
ID ⁴
GND ⁵
B
E1
VUSB
4.35V-5.5V
C
J2
USBMINI-AB
VBUS ¹
D- ²
D+ ³
ID ⁴
D
GND ⁵
E2
GND
E
TP1
D-
TP2 _D+
TP3
ID
4.35V-5.5V
Non-operating Fault Tolerance to
30V Continuous
3
Q1
Si2306BDS
2
C1
4.7uF
1
1206
50V
R1
1.0
5%
R2
6.2k
0603
C2
22uF
0805
20%
6.3V
Leakage current
must be <400nA
U1
LTC3576EUFE ³⁴
VBUS
5 _OVGATE
6 _OVSENS
35
VBUS
E3
VBUS
4.35V-5.5V
E4
F
GND
VOUT
JP1
ILIM0
37 _ILIM0
01
JP2
ILIM1
G
01
JP3
ENOTG
38 _ILIM1
11 _ENOTG
OFF ON
H
JP4
EN1
OFF ON
JP5
EN2
10 _EN1
22 _EN2
I
OFF ON
JP6
EN3
SDA SCL DVCC
19 _EN3
OFF ON
VOUT
J
VOUT
JP7
JP8
SCL
SDA
01
01
14 _SDA
13 _SCL
12 _DVCC
R5
0
K
DC590
J3
DC590
1 ₊₊ 2
DC590
JP9
DVCC
C4
0.1uF
3 ₊₊ 4
5 ₊₊ 6
MODE EN
16V
R6
7 ₊₊ 8
9 _{+ +} 10
11 _{+ +} 12
13 _{+ +} 14
R3
C3
5.1k
5%
R4
L
HD2X7
5.1k
5%
0.1
16V
5.1k
5%
U2 ⁸
Vcc
6 _SCLK
SDA ⁵
DC590
1 _A0 256X8
M
INTERFACE
2 _A1
3 _A2
7 _{WP Vss}
24LC025I/ST 4
N
E5
CLPROG
E6
O
PROG
R7
C5
3.01k
0.1
16V
R8
2.00k
R9
100k
1 _CLPROG
29 _PROG
3 _NTCBIAS
VC ²⁶
ACPR ²⁸
WALL ²⁷
LDO3V3 ²
VOUT ³³
SW ³⁶
CHRG ³⁰
IDGATE ³¹
BAT ³²
C17
1uF
10V
L4
3.3uH
LPS4018-3R3MLC
C16
22uF
0805
20%
6.3V
Leakage current must be < 50nA
VIN1 ⁸
SW1 ⁹
FB1 ⁷
VIN2 ²⁴
SW2 ²³
FB2 ²⁵
VIN3 ¹⁶
SW3 ¹⁷
FB3 ²⁰
C14
2.2uF
6.3V
20%
L3
4.7uH
1098AS-4R7M
TP6
SMT
C11
2.2uF
6.3V
20%
L2
4.7uH
1098AS-4R7M
TP5
SMT
C8
2.2uF
6.3V
20%
L1
2.0uH
1098AS-2R0M
TP4
SMT
R22
20
5%
R21
1.13MEG
R20
324k
C12
12pF
50V
5%
C13
10uF
0603
20%
6.3V
R19
20
5%
R18
1.05MEG
R17
324k
C9
18pF
50V
5%
C10
10uF
0603
20%
6.3V
R15
20
5%
R14
402k
R13
324k
C6
27pF
50V
5%
C7
22uF
0805
20%
6.3V
Unless noted:
Resistors: Ohms
0402
1%
1/16W
Capacitors: uF
0402
10%
25V
J5
1 _VOUT
2 _VC/TRACK
A
3 _VOUT
4 _GND
5 _ACPR
6 _GND
7 _PG
B
8 _WALL
HV BUCK
INTERFACE
9 _SYNC
10 _SHDN
11 _DVCC
C
12 _ILIM
13 _SDA
14 _HVOK/INIT
15 _SCL
DVCC
SDA
16 _HVIN
D
SQT-108-01-F-D-RA
SCL
E21
LDO3V3
3.3V
25mA
E20
E
GND
VOUT
VOUT
D1
CHRG
R26
1.0k
5%
0603
E19
VOUT
3.4V-5.5V
F
1.25A
E18
GND
E17
G
CHRG
1
Q2
Si2333DS
C15
100uF
6.3V
1206
20%
R23 R24 R25
1.0 1.0 1.0
5% 5% 5%
E16
BAT
H
VFLOAT= 4.2V
0.5A
J4
1 _BAT
2 _GND
3 _NTC-EXT
E15
GND
I
DF3-3P-2DSA
OPT
INPUT CURRENT LIMIT SETTINGS
ILIM1 ILIM0
CURRENT LIMIT
0
0 100mA (1X)
0
1
1A (10X)
1
0
0.5mA (LO PWR SUSP)
1
1
500mA (5X)
E14
VOUT1
1.9V-3.6V
J
400mA
E13
GND
K
SWITCHING REGULATOR MODES, DVCC = 0V
MODE0 (SDA) MODE1 (SCL)
BUCKS
0
X
Pulse Skip
1
0
LDO
1
1
BURST
E12
VOUT2
L
1.8V-3.4V
400mA
E11
GND
M
DVCC
R16
100k
E10
N
VOUT3
1V-1.8V
1A
E9
GND
O
E8
RST3
E7
NTC
P
Q
4 _NTC
R10
100k
R11
JP10
R12
0
NTC
0
INT EXT
GND
39
RST3 ²¹
CUSTOMER NOTICE
CONTRACT NO.
1630 McCarthy Blvd.
Milpitas, CA 95035
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A _APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; _DRAWN:
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
G. Barbehenn
Phone: [phone]
P
TECHNOLOGY
Fax: [phone]
LTC Confidential-For Customer Use Only
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CHECKED:
TITLE: _{LTC3576EUFE: Switching Power Manager with}
APPROVED:
USB On-the-Go + Triple Step-Down DC/DCs
ENGINEER:
G. Barbehenn SIZE
DESIGNER:
C
DWG NO.
DC1334A
REV
Q
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
DATE:
Wednesday, October 15, 2008
SHEET 1 OF 1
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