13
dc1936afa
DEMO MANUAL DC1936A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
OPTIONAL FOR DISCRETE DRIVER AND FETS
DYNAMIC LOAD CIRCUIT 0
DO NOT EXCEED 5% DUTY CYCLE!
NOTE: PULSE OUT 10mV / AMP
VOUT0
IOUT0 TST
NOTE: PULSE OUT 10mV / AMP
IOUT1 TST
DO NOT EXCEED 5% DUTY CYCLE!
VOUT1
DYNAMIC LOAD CIRCUIT 1
1206
1206
ON
OFF
5V_BIAS
ON
OFF
VCC
OPTIONAL FOR DISCRETE DRIVER AND FETS
DC/DC CONVERTER WITH DIGITAL POWER MANAGEMENT
Wednesday, December 10, 2014
VOUT0
VOUT1
VIN
5V_BIAS
VIN
5V_BIAS
5V_BIAS
VIN
VCC
VIN
VIN
VDD33
VDD33
TG1_PWM1
SW1
TG0_PWM0
SW0
VIN
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
2
33
DUAL/POLY-PHASE HIGH PERFORMANCE
HZ
YI S.
N/A
LTC3882EUJ
DEMO CIRCUIT 1936A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
2
33
DUAL/POLY-PHASE HIGH PERFORMANCE
HZ
YI S.
N/A
LTC3882EUJ
DEMO CIRCUIT 1936A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
2
33
DUAL/POLY-PHASE HIGH PERFORMANCE
HZ
YI S.
N/A
LTC3882EUJ
DEMO CIRCUIT 1936A
C67
0.1uF
D1
2
1
E23
PULSE0 IN
R91
6.19K
Q8
RJK0330DPB
1
2
5
3
4
C57 2.2uF
E28
GND
D6
2
1
R90
6.19K
R102
0
J12
1
2
3
4
5
Q10
RJK0330DPB
1
2
5
3
4
Q6
RJK0305DPB
1
2
5
3
4
C62 2.2uF
Q5
RJK0305DPB
1
2
5
3
4
Q9
RJK0330DPB
1
2
5
3
4
R86
10K
CIN2 22uF
16V 1210
CIN4 22uF
16V 1210
E24
PULSE1 IN
Q4
RJK0305DPB
1
2
5
3
4
R83
0
Q7
RJK0330DPB
1
2
5
3
4
10uF
C63
R88 10K
JP4
1
2
3
Q11
RJK0305DPB
1
2
5
3
4
U5
LTC4449EDCB
VCC
7
VLOGIC
6
IN
5
GND
4
BG
3
TS
2
TG
1
BOOST
8
GND
9
R87
10K
E25
R94
2K
R92 0.01
U7
LT3029IMSE
BYP1
1
VIN1
13
BYP2
8
ADJ2
9
GND
5
ADJ1
16
SHDN1
15
VOUT1
4
SHDN2
10
VOUT2
7
VIN2
12
VOUT1
3
VOUT2
6
VIN1
14
VIN2
11
NC
2
GND
17
U6
LTC4449EDCB
VCC
7
VLOGIC
6
IN
5
GND
4
BG
3
TS
2
TG
1
BOOST
8
GND
9
C65 0.01uF
R84 2.2
E27
GND
CIN3 22uF
16V 1210
R57
50
C64 0.01uF
R99
50
E22
GND
CIN1 22uF
16V 1210
E21
5V_BIAS
C61 2.2uF
Q3
RJK0305DPB
1
2
5
3
4
R82
0
E26
C55 0.22uF
R85 2.2
10uF
C60
D2
2
1
R89 10K
C59 1uF
R95
2K
C58 2.2uF
JP3
1
2
3
Q12
RJK0305DPB
1
2
5
3
4
J11
1
2
3
4
5
R101
0
R93 0.01
C56
0.22uF
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