LTC1325CN データシートの表示（PDF） - Linear Technology
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LTC1325CN Datasheet PDF : 24 Pages
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LTC1325
TYPICAL PERFORMANCE CHARACTERISTICS
Regulator Output Voltage vs
Load Current
3.077
3.076
VDD = 16V
TA = 27°C
3.075
VDD = 12V
3.074
3.073
VDD = 4.5V
3.072
3.071
3.070
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
LOAD CURRENT (mA)
1325 G01
Charge Current vs Battery Voltage
160
VR1 = 1, VR0 = 1
140
120 VDD = 12V, RSENSE = 1Ω,
L = 100µH, P1: IRF9531
100
80
60
VR1 = 1, VR0 = 0
40
VR1 = 0, VR0 = 1
20
0
0
VR1 = 0, VR0 = 0
2
4
6
8
10 12
BATTERY VOLTAGE (V)
1325 G04
Fault Comparator Threshold vs
Temperature
1.0
0.9
VCELL FOR EDV = HIGH
0.8
0.7
0.6
0.5
0.4 VTBAT FOR HTF = HIGH, VHTF = 0.4V
0.3
0.2
VCELL FOR BATR = HIGH
0.1
0
0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
1325 G07
Regulator Output Voltage vs
Temperature
3.082
3.081 IREG = 0
3.080
3.079
3.078
VDD = 16V
VDD = 12V
3.077
3.076
VDD = 4.5V
3.075
3.074
3.073
3.072
0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
1325 G02
DAC Output Voltage vs
Temperature
180
VR1 = 1, VR0 = 1
160
140
120
VDD = 12V
100
80
60
VR1 = 1, VR0 = 0
40
VR1 = 0, VR0 = 1
20
VR1 = 0, VR0 = 0
0
0 10 20 30 40 50 60 70
TEMPERATURE (°C)
1325 G05
Fault Comparator Threshold vs
Temperature
11
10 VBAT FOR BATP = HIGH, VDD = 12V
9
8
7
6
VCELL FOR MCV = HIGH, VMCV = 2.8V AND
VTBAT FOR LTF = HIGH, VLTF = 2.8V
5
4
VCELL FOR MCV = HIGH, VMCV = 1.6V
VTBAT FOR LTF = HIGH, VLTF = 1.6V
3
2 VTBAT FOR HTF = HIGH, VHTF = 1.35V
1
0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
1325 G08
VDD Supply Current vs
Temperature
1000
900
800
VDD = 16V
700
600
VDD = 4.5V
500
VDD = 12V
400
300
200
100
0
0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
1325 G03
Shutdown Current vs Temperature
25
20
VDD = 16V
15
VDD = 12V
10
5
VDD = 4.5V
0
0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
1325 G06
Gas Gauge Gain and Offset vs
Temperature
0
VSENSE = – 0.2V AND – 0.4V
– 0.5 INCLUDES CHANGES IN VREG
WITH TEMPERATURE
–1.0
–1.5
–2.0
GAS GAUGE OFFSET
–2.5
–3.0
– 3.5
–4.0
GAS GAUGE GAIN
–4.5
0
10 20 30 40 50 60
TEMPERATURE (°C)
70 80
1325 G09
4
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