DC1334A [Linear]
LTC3576EUFE: Switching Power Manager;型号: | DC1334A |
厂家: | Linear |
描述: | LTC3576EUFE: Switching Power Manager |
文件: | 总1页 (文件大小:145K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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22
J1
J5
VOUT
USBMICRO-AB
1
1
VBUS
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
2
3
VC/TRACK
VOUT
GND
TP1
2
D-
D-
TP2
TP3
3
D+
D+
ID
4
4
ID
5
ACPR
GND
5
GND
6
7
4.35V-5.5V
Non-operating Fault Tolerance to
30V Continuous
PG
Q1
Si2306BDS
8
WALL
SYNC
SHDN
DVCC
ILIM
E1
9
3
2
HV BUCK
INTERFACE
VUSB
10
11
12
13
14
15
16
C2
4.35V-5.5V
C1
22uF
0805
20%
6.3V
Unless noted:
Resistors: Ohms
J2
4.7uF
1206
50V
1
USBMINI-AB
VBUS
0402
1%
1/16W
1
2
3
4
5
SDA
D-
HVOK/INIT
SCL
R1
1.0
5%
Capacitors: uF
0402
D+
ID
HVIN
U1
DVCC
10%
25V
34
35
GND
LTC3576EUFE
SQT-108-01-F-D-RA
SDA
Leakage current
must be <400nA
VBUS
VBUS
R2
6.2k
0603
SCL
E21
5
6
26
28
27
2
LDO3V3
3.3V
25mA
OVGATE
OVSENS
VC
ACPR
C17
1uF
10V
E2
E3
GND
WALL
E20
LDO3V3
GND
VBUS
VOUT
4.35V-5.5V
E19
VOUT
33
36
VOUT
VOUT
SW
E4
L4
D1
CHRG
3.4V-5.5V
GND
3.3uH
37
38
11
10
22
19
ILIM0
ILIM1
ENOTG
EN1
VOUT
1.25A
JP1
ILIM0
E18
LPS4018-3R3MLC
C16
GND
R26
1.0k
5%
22uF
0805
20%
6.3V
0
1
1
JP2
ILIM1
0603
E17
30
31
CHRG
0
CHRG
Leakage current must be < 50nA
JP3
ENOTG
Q2
Si2333DS
1
IDGATE
ON
OFF
E16
BAT
32
JP4
EN1
BAT
VIN1
SW1
C15
VFLOAT= 4.2V
0.5A
100uF
6.3V
1206
20%
OFF
ON
ON
ON
EN2
J4
JP5
EN2
1
E15
BAT
GND
NTC-EXT
2
3
GND
8
OFF
R23 R24 R25
C14
1.0
5%
1.0
5%
1.0
5%
DF3-3P-2DSA
OPT
EN3
JP6
EN3
2.2uF
6.3V
20%
SDA
SCL
DVCC
OFF
L3
4.7uH
14
13
12
E14
SDA
9
VOUT1
VOUT
J
J
R22
20
5%
VOUT
1098AS-4R7M
JP8
SCL
1.9V-3.6V
400mA
SCL
JP7
SDA
TP6
INPUT CURRENT LIMIT SETTINGS
DVCC
0
1
SMT
C12
12pF
50V
5%
C13
10uF
0603
20%
6.3V
E13
ILIM1
ILIM0
CURRENT LIMIT
100mA (1X)
1A (10X)
0
1
R5
0
R21
1.13MEG
GND
0
0
1
0
1
7
FB1
JP9
DVCC
0
1
DC590
K
K
C4
J3
24
DC590
DC590
R20
324k
VIN2
0.5mA (LO PWR SUSP)
500mA (5X)
1
+
2
4
6
8
10
12
14
0.1uF
16V
+
+
+
+
+
+
+
C11
3
+
1
2.2uF
6.3V
20%
5
+
MODE EN
R6
5.1k
5%
7
+
9
+
11
+
L2
4.7uH
13
+
C3
0.1
16V
R3
R4
5.1k
5%
E12
VOUT2
1.8V-3.4V
5.1k
5%
23
HD2X7
L
L
SW2
R19
20
5%
1098AS-4R7M
8
400mA
U2
TP5
SMT
Vcc
6
5
C10
10uF
0603
20%
6.3V
C9
SCLK
SDA
R18
1.05MEG
SWITCHING REGULATOR MODES, DVCC = 0V
E11
18pF
50V
5%
GND
MODE0 (SDA) MODE1 (SCL)
BUCKS
Pulse Skip
LDO
256X8
1
2
3
DC590
INTERFACE
A0
A1
A2
25
16
M
N
O
P
Q
M
N
O
P
Q
FB2
0
1
1
X
0
1
R17
324k
VIN3
7
WP
Vss
C8
BURST
2.2uF
6.3V
20%
24LC025I/ST
4
L1
E10
2.0uH
E5
CLPROG
1
17
VOUT3
1V-1.8V
1A
CLPROG
PROG
SW3
1098AS-2R0M
R15
DVCC
29
R7
C5
0.1
16V
20
3.01k
TP4
SMT
5%
E9
R16
100k
C6
GND
C7
R14
402k
27pF
50V
5%
3
E6
PROG
22uF
0805
20%
6.3V
NTCBIAS
20
21
FB3
R9
100k
R8
R13
324k
E8
2.00k
RST3
E7
NTC
1630 McCarthy Blvd.
CONTRACT NO.
APPROVALS
DRAWN:
G. Barbehenn
CHECKED:
4
CUSTOMER NOTICE
NTC
RST3
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
GND
39
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
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
LTC Confidential-For Customer Use Only
TITLE:
R10
100k
R11
JP10
NTC
LTC3576EUFE: Switching Power Manager with
USB On-the-Go + Triple Step-Down DC/DCs
R12
0
APPROVED:
ENGINEER:
0
G. Barbehenn
INT
EXT
SIZE
DWG NO.
REV
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. DESIGNER:
A
C
DATE:
DC1334A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
Wednesday, October 15, 2008
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