LTC1960 データシートの表示（PDF） - Linear Technology
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LTC1960 Datasheet PDF : 28 Pages
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LTC1960
TYPICAL APPLICATION (LTC1960CG Pin Numbers Shown)
BAT2
BAT1
VIN
RCL
0.03
R1
5.1k
1%
VDD
4.7k
MISO
SCK
MOSI
SSB
C9
100pF R5
1k
1%
R7
49.9k
1%
C3
0.01µF
C1
0.1µF
R4
14k
1%
Q1, Q2, Q5, Q6, Q7, Q8: Si4925DY
Q3, Q4, Q9, Q10, QTG, QBG: FDS6912A
D1: MBR130T3
D2: CMDSH-3 TYPE
D3, D4: BAT54A TYPE
Dual Battery Selector and 4A Charger
PowerPath MUX
C6
C2
1µF
1µF
100Ω
LTC1960
24 CLP
29
3
2
DCIN
BAT1
BAT2
20
19
21
18
MISO
SCK
MOSI
SSB
17
25
35
DCDIV
COMP1
GCH2
36
34
33
13
SCH2
GCH1
SCH1
VSET
28
16
VCC
GND
VPLUS
GDCI
GDCO
GB1I
GB1O
GB2I
GB2O
SCP
SCN
LOPWR
CSN
CSP
ITH
ISET
SW
BOOST
TGATE
BGATE
PGND
1
7
6
9
8
11
10
5
4
12
22
23
14
15
30
31
32
27
26
BAT2
D3
BAT1
D4
R11
1k
D2
CB2
0.1µF
C6
2µF
CB1
0.01µF
C8
0.1µF
C4
0.1µF
R6
100Ω
Q1
Q2
R9
3.3k
1%
C7
0.1µF
C5
0.15µF
QTG
L1
10µH
4A
QBG
D1
RSNS
0.025Ω
1%
Q6
Q7
Q5
Q8
RSC
0.02Ω
R2
649k
1%
CL
20µF
R3
25V
100k
1%
CIN
20µF
25V
COUT
20µF 25V CHARGE MUX
Q9
Q4
Q10
Q3
LOAD
1960 TA02
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COMMENTS
Up to 97% Efficiency; AC Adapter Current Limit
Minimizes CIN and COUT ; Power Good Output; 3.5V ≤ VIN ≤ 36V
Up to 42A Output; Minimum CIN and COUT ; Uses Smallest Components for Intel
and AMD Processors
3.5V ≤ VIN ≤ 36V; 0.925V ≤ VOUT ≤ 2V; for Transmeta, AMD and Intel Mobile
Processors
Synchronous Operation for High Efficiency; Integrated SMBus Accelerator;
AC Adapter Current Limit
Constant-Current/Constant-Voltage Switching Regulator; Input Current Limiting
Maximizes Charge Current
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
1960fb
LT 0411 REV B • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2001
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