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
BLOCK DIAGRAM (LTC1960CG Pin Numbers Shown)
DCIN
CHARGE
PUMP
ON
GCH1 34
SCH1 33
GCH2 35
ON
SCH2 36
BAT1 3
BAT2 2
VPLUS 1
VCC 28
GND 16
DCIN 29
VSET 13
VCC
REGULATOR
BGATE
OSCILLATOR
LOW DROP
DETECT
TON
BOOST 31
TGATE 32
SW 30
VCC
BGATE 27
PGND 26
GB1I GB1O
98
GB2I GB2O
11 10
GDCI GDCO
76
SWB1
DRIVER
SWB2
DRIVER
SWDC
DRIVER
SHORT CIRCUIT
AC_PRESENT
100mV
5 SCP
100Ω
4 SCN
17 DCDIV
CSN
CHGMON
400k
SCN
0.86V
SELECTOR
CONTROLLER
1.19V
12 LOPWR
CHARGE
SPI
INTERFACE
11
11-BIT ∆Σ
VOLTAGE DAC
10-BIT ∆Σ
CURRENT DAC
0V
21 MOSI
20 MISO
19 SCK
18 SSB
15 ISET
CSP-CSN
3kΩ
gm = 1.4m
EA
0.8V +
PWM
LOGIC
S
Q
R
CHARGE
3k
CA1
3k
gm = 1.4m
CA2
0.8V
÷15 BUFFERED ITH
ICMP
–+
23 CSP
22 CSN
IREV
40mV
DCIN
CLP 24
100mV
+ gm = 0.4m
CL1
25
COMP1
0.75V
CHGMON
CLAMP
14
1960 BD
ITH
1960fb
10
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