DC432A

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
JP3 OPEN3.3V2.5V
1.8V
Vin
Vout
SYNC
RUN
PG
**
**
Space Provided for an Optional Resistor to Program a Custom Output Voltage.
PCB SILKSCREEN
CSS
RSS
CFFW
RFB1
CC1
RC
CC2
CPL
RPL
CBYP
RIN
RPG
L1
COUTCIN2
U1
CIN1
D1
SHDN
Pulse -skipBurst Mode
(Opt.)
VERSION TABLE
DC432A
DC432B
Assembly Type Cin1, Cin2
10uF, 10V
10uF, 16V
U1
LTC1875EGN
LTC1879EGN
*
*
*
*
*
*
Vin
2.65-6V
2.65-10V
Iout(A)
1.5
1.2
Iout
1.8V / 2.5V / 3.3V
RUN
A
Demo Circuit 432A / 432B
Wednesday, June 05, 2002
1
1
LTC1879EGN/LTC1875EGN, High Efficiency Synchronous Step-Down Regulator
June Wu 5/22/01
TOM GROSS
5/22/01
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
Cin2
10uF
Rpl
10K
E3
E8
Rpg
100K
Rin
10
Rc
150K
U1
2
15
16
14
4
1
7
3
13
11
6
12
5
9
8
10
RUN/SS
SYNC/MODE
PLL_LPF
PGOOD
ITH
SGND
PGND
Vfb
SVin
SWN2
SWN1
SWP2
SWP1
PVin2
PVin1
PGND
Cc1
47pF
Rfb3
412K
Cout
47uF
6.3V
Rfb4
280K
Cpl
2200pF
Rfb5
optional
D1
MBR0520
E4
E5
Cc2
220pF
Cffw
22pF
E6
E7
Rss
1M
JP2
1
2
3
Rfb1
887K
E2
Cin1
10uF
JP1
1
2
3
Cbyp
0.1uF
Css
0.1uF
L1
4.7uH
Rfb2
698K
E1
Linear Technology Corporation
LTC1879EGN
Bill Of Material
Demo Bd. #432A
6/17/2005
10:05 AM
Item Qty Reference Part Description Manufacture / Part #
1 2 Cbyp,Css CAP., X7R, 0.1uF, 16V, 20% 0603 AVX, 0603YC104MAT
2 1 Cc1 CAP., NPO, 47pF, 50V, 10% 0402 AVX, 04025A470KAT
3 1 Cc2 CAP., X7R, 220pF, 50V, 20% 0402 AVX, 04025C221MAT
4 1 Cffw CAP., NPO, 22pF, 50V, 10% 0402 AVX, 04025A220KAT
5 2 Cin1,Cin2 CAP., X5R, 10uF, 16V, 20% 1210 TAIYO YUDEN, EMK325BJ106MN
6 1 Cout CAP., X5R, 47uF, 6.3V, 20% 1812 TDK, C4532X5R0J476M
7 1 Cpl CAP., X7R, 2200pF, 50V, 20% 0402 AVX, 04025C222MAT
8 0 D1 (OPT.) DIODE, MBR0520
9 8 E1-E7 TURRET, MILL-MAX2501-2
10 2 JP1,JP2 JUMPER, 0.079, 3 PIN COMM CON2802S-03G1
11 1 JP3 JUMPER, DOUBLE ROW 0.079X4 COMM CON2202S-08G1
12 3 JP1,JP2,JP3 SHUNT, COMM CON. CCIJ2MM-138G
13 1 L1 INDUCTOR,4.7uH, D63LCB TOKO, A921CY-4R7M
14 1 Rc RES.,CHIP, 150K, 1/16W, 5% 0402 AAC, CR05-154JM
15 1 Rfb1 RES.,CHIP, 887K, 1/16W, 1% 0402 AAC, CR05-8873FM
16 1 Rfb2 RES.,CHIP, 698K, 1/16W, 1% 0402 AAC, CR05-6983FM
17 1 Rfb3 RES.,CHIP, 412K, 1/16W, 1% 0402 AAC, CR05-4123FM
18 1 Rfb4 RES.,CHIP, 280K, 1/16W, 1% 0402 AAC, CR05-2803FM
19 0 Rfb5 (optional) RES.,CHIP, 0402
20 1 Rin RES.,CHIP, 10, 1/16W, 1% 0402 AAC, CR05-10R0FM
21 1 Rpg RES.,CHIP, 100K, 1/16W, 5% 0402 AAC, CR05-104JM
22 1 Rpl RES.,CHIP, 10K, 1/16W, 5% 0402 AAC, CR05-103JM
23 1 Rss RES.,CHIP, 1M, 1/16W, 5% 0402 AAC, CR05-105JM
24 1 U1 I.C., LTC1879EGN, SSOP-16GN LINEAR, LTC1879EGN
25 1 PRINTED CIRCUIT BOARD DEMO BOARD DC432A
Page 1 - of - 1

DC432A

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Power Management IC Development Tools LTC1879EGN - High Efficiency Synchronous
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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