LTC4110EUHF データシートの表示（PDF） - Linear Technology
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LTC4110EUHF Datasheet PDF : 52 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC4110
Typical CHGFET and DCHFET
Waveforms
5V/DIV
0V
500ns/DIV
VIN = 12V
VBAT = 12V (NiMH)
4110 G01
Output Charging Characteristics
Showing Constant Current and
Constant Voltage Operation
1200
CC
1000
800
600
CV
400
PRE-CHARGE
200
0
0 2 4 6 8 10 12 14
VBAT (V)
4110 G02
Supply Current vs DCIN Voltage in
Idle Mode
2.5
2.0
1.5
1.0
0.5
0
0
5
10
15
20
DCIN (V)
4110 G03
Battery Leakage in Idle
Mode – IBIDL
140
120
100
80
60
40
20
0
–20
0
5
10
15
20
25
VBAT (V)
4110 G04
Charging Efficiency/Power Loss,
12VIN and 12.6VOUT (Xfmr = BH
510-1019)
100
2.5
90
80
2.0
EFFICIENCY
70
60
1.5
50
40
1.0
POWER LOSS
30
20
0.5
10
0
0
0.05 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.00
ILOAD (A)
4110 G07
Battery Current in Backup
Mode – IBBU
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10
15
20
25
VBAT (V)
4110 G05
Battery Leakage in Shutdown
Mode vs Battery Voltage
40
35
30
25
20
15
10
5
0
0
5
10
15
20
25
VBAT (V)
4110 G06
Soft-Start Waveform
Backup Mode On and Off
Waveform
VBACKUP
2V/DIV
0.2A/DIV
VBATTERY
3V/DIV
0A
2ms/DIV
4110 G08
0V
10ms/DIV
NiMH BATTERY (12V)
ILOAD = 3A
VIN = 15V FALLING
4110 G09
4110fa
7
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