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DC1334A_15 [Linear]

LTC3576EUFE: Switching Power Manager;
DC1334A_15
型号： DC1334A_15
厂家： Linear    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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1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
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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