DC1575B - Schematic

5
4
3
2
ECO REV
-
1
REVISION HISTORY
DESCRIPTION
APPROVED
B
Replaced CLD1,CLD2,D1-D3
DATE
DILIAN R.
Aug 19, 2014
D
D
(SEE NOTE)
SELECT PROTECTION
1
OV/OC, VIN = 0 TO 28V
2
2
Q1
SI1471DH-T1-E3
3
OV/OC/NV, VIN = -30V TO 28V
U1
LTC4362CDCB-2
OV = OVERVOLTAGE
OC = OVERCURRENT
NV = NEGATIVE VOLTAGE
JP2
IN
C
SENSE
OUT
7
1
GATEP
PWRGD
5
ON
CLD1
CMJ3500 TR
GND
E4
OUT
OUT
R1
1k
C1
10uF
10V
E5
GND
D1
GRN
OUT
3
EXPOSED PAD
C
VIN
VIN
OUT
4
6
E1
LOW VOLTAGE PROTECTED OUTPUT
8
9
E2
CLD2
CMJ3500 TR
GND
E6
PWRGD
D3
RED
-VIN
D2
ORN
VIN
R2
1.5K
ON
DISABLE
1
2
NOTES: UNLESS OTHERWISE SPECIFIED
3
ENABLE
B
JP1
D5
5.6V
B
1. LTC4362 - 1 HAS LATCH-OFF OVERCURRENT
E3
2. LTC4362 - 2 HAS AUTORETRY AFTER OVERCURRENT
ON
3. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
4. INSTALL SHUNTS AS SHOWN.
J1
A
J2
VCC
1
D-
2
2
D-
D+
3
3
D+
GND
4
VIN
OUT 1
4
USB
TYPE B
CUSTOMER NOTICE
VCC
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
GND
USB
TYPE A
TECHNOLOGY
4
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
MONOLITHIC PROTECTOR OVERVOLTAGE / OVERCURRENT
3
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
TITLE: SCHEMATIC
SIZE
USB PROTECTION
5
APPROVALS
IC NO.
REV.
LTC4362CDCB-2
DEMO CIRCUIT 1575B
1
MODIFY DATE: Aug 19, 2014
2
SHEET
1
1
OF
1
A
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