S-8424AAAFT-TB-X Datasheet, PDF (34/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8424A Series
Rev.3.0_01
1.3 Output Current (I_RO) vs. Dropout Voltage (V_drop1) Characteristics
1.0
Ta = 85°C
0.8
25°C
−40°C
0.6
0.4
0.2
0.0
0
0.02
0.04
0.06
IRO (A)
1.5 Output Current (I_RO) vs. Output Voltage (V_RO) Characteristics
3.25
3.15
3.05
Ta = −40°C
25°C
85°C
2.95
VIN = 6 V
2.85
1μ
100 μ
10 m
1
IRO (A)
1.7 Output voltage (V_RO) Temperature Characteristics
30
20
VIN = 6 V, IRO = 30 mA
10
Based on VRO voltage when Ta is 25°C
0
−10
−20
−30
−40 −20 0 20 40 60 80 100
Ta (°C)
1.9 Input Stability (V_RO) Temperature Characteristics
20
15
10
5
0
−40 −20 0 20 40 60 80 100
Ta (°C)
1.11 Load Stability (V_RO) Temperature Characteristics
40
30
20
10
0
−40 −20
0 20 40
Ta (°C)
60 80 100
1.4 Output Current (I_OUT) vs. Dropout Voltage (V_drop2) Characteristics
1.0
0.8
Ta = 85°C
0.6
25°C
−40°C
0.4
0.2
0.0
0
0.02
0.04
0.06
IOUT (A)
1.6 Output Current (I_OUT) vs. Output Voltage (V_OUT) Characteristics
3.25
3.15
Ta = −40°C
25°C
85°C
3.05
2.95
VIN = 6 V
2.85
1μ
100 μ
10 m
1
IRO (A)
1.8 Output voltage (V_OUT) Temperature Characteristics
30
20
VIN = 6 V, IOUT = 50 mA
10
Based on VOUT voltage when Ta is 25°C
0
−10
−20
−30
−40 −20 0 20 40 60 80 100
Ta (°C)
1.10 Input Stability (V_OUT) Temperature Characteristics
20
15
10
5
0
−40 −20 0
20 40 60 80 100
Ta (°C)
1.12 Load Stability (V_RO) Temperature Characteristics
40
30
20
10
0
−40 −20
0 20 40 60 80 100
Ta (°C)
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