Linear Technology LTM4650-1, Демонстрационное руководство

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dc2378abfa
DEMO MANUAL DC2378A-B
schematic Diagram
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
OPTIONAL JUMPER FOR SINGLE OUTPUT CONFIGURATION
DIFF SENSING SELECTION
VOUT1
Load Transient Circuit
VOUT2
m
VIN
TEMP
INTVCC
RUN1
RUN2
TRACK1
TRACK2
VFB1
VFB2
COMP1
COMP2
VO2-
DIFFN
VO2+
DIFFP
VOUT1S
VOUT1
VOUT2S
DIFFOUT
VOUT1
VOUT2
VOUT1
VOUT2
INTVCC
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
1
Tuesday, April 26, 2016
22
STEP-DOWN MODULE REGULATOR
LT
JL
N/A
LTM4650EY-1
DEMO CIRCUIT 2378A-B
HIGH EFFICIENCY, DUAL 25A, SINGLE 50A,
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
1
Tuesday, April 26, 2016
22
STEP-DOWN MODULE REGULATOR
LT
JL
N/A
LTM4650EY-1
DEMO CIRCUIT 2378A-B
HIGH EFFICIENCY, DUAL 25A, SINGLE 50A,
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
1
Tuesday, April 26, 2016
22
STEP-DOWN MODULE REGULATOR
LT
JL
N/A
LTM4650EY-1
DEMO CIRCUIT 2378A-B
HIGH EFFICIENCY, DUAL 25A, SINGLE 50A,
R36 10K
E17
IOSTEP CLK
J3
IOSTEP
R23 OPT
R39
OPT
C13 1uF
R35 OPT 2010
Q1 SUD50N04-8M8P-4GE3
2
1
3
4
R14
OPT
R48 OPT
J1
C14
1uF
R11
OPT
E18
GND
R34
0 OHm 0.5W 2010
R43 OPT 2512
R28
OPT R45
OPT 2512
R38 OPT 2512
R33
OPT
R17
OPT
C16 1uF
R44
OPT
2512
R40
OPT
C15 1uF
R31
OPT
J2
R37 0.010 2W 2512
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