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LTC1439CG 数据表(PDF) 26 Page - Linear Technology

部件名 LTC1439CG
功能描述  Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators
PDF  32 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1439CG 数据表(HTML) 26 Page - Linear Technology

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LTC1438/LTC1439
TYPICAL APPLICATIONS
LTC1439 High Efficiency Low Noise 5V/3A, 3.3V/3.5A and 12V/200mA Regulator
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RUN/SS1
SENSE+ 1
SENSE– 1
VPROG1
ITH1
POR2
COSC
SGND
LBI
LBO
SFB1
ITH2
VPROG2
VOSENSE2
SENSE– 2
SENSE+ 2
RUN/SS2
AUXDR
PLL LPF
PLLIN
BOOST 1
TGL1
SW1
TGS1
VIN
BG1
INTVCC
PGND
BG2
EXTVCC
TGS2
SW2
TGL2
BOOST 2
AUXON
AUXFB
LTC1439
D2
CMDSH-3
D4
CMDSH-3
D1
MBRS140T3
T1*
10
µH
1:1.8
D3
MBRS140T3
M3
M1
0.1
µF
CLP
0.01
µF
CC1
1000pF
RLP
10k
EXT
CLOCK
0.1
µF
M2
M5
1438 TA02
M6
M4
VOUT1
4.7
µF 16V
RC1
10k
RC
10k
1000pF
1000pF
INTVCC
100k
LBO
1000pF
COSC
56pF
CC1A
220pF
CSS1
0.1
µF
CC2
1000pF
CSS2
0.1
µF
0.1
µF
CC2A
470pF
100pF
390k, 1%
110k, 1%
100k
POR2
MBRS1100T3
RSENSE1
0.03
Ω
+
3.3
µF
25V
COUT2
100
µF
10V
× 2
+
COUT1
100
µF
10V
× 2
VOUT1
5V/3A
RSENSE2
0.03
Ω
VOUT2
3.3V
3.5A
L2
10
µH
CIN2
22
µF
35V
× 2
47k
R6
1M
1%
R5
90.9k
1%
+
4.7
µF
25V
MMBT
2907
VOUT2
12V
200mA
VIN
6V TO 28V
* T1 = DALE LPE-6562-A262 GAPPED E-CORE
BH ELECTRONICS 501-0657 GAPPED TOROID
M1, M2, M4, M5 = IRF7403
M3, M6 = IRLML2803
L2 = SUMIDA CDRH125-100MC
ALL INPUT OUTPUT CAPACITORS ARE AVX-TPS SERIES
AUX ON/OFF
+
CIN1
22
µF
35V
× 2



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