S-882Z Datasheet, PDF (16/24 Pages) Seiko Instruments Inc – ULTRA-LOW VOLTAGE OPERATION CHARGE PUMP IC FOR STEP-UP DC-DC CONVERTER STARTUP

ULTRA-LOW VOLTAGE OPERATION CHARGE PUMP IC FOR STEP-UP DC-DC CONVERTER STARTUP
S-882Z Series
Rev.1.2_00
5. Discharge Start Delay Time (t_OUT) vs. Startup Capacitor Capacitance Value (C_CPOUT)
VIN £ 0.6 V
VIN ³ 0.6 V
VCPOUT1(S) = 2.0 V
VCPOUT1(S) = 2.0 V
Ta = 25°C
Ta = 25°C
100
10
80
VIN = 0.3 V
8
60
40 ^{VIN = 0.6 V}
VIN = 0.35 V
VIN = 0.4 V
6
VIN = 0.6 V
4
VIN = 1.0 V
20
0
0
20 40 60 80 100
CCPOUT [mF]
2
0
VIN = 2.0 V
0 20 40 60 80 100
CCPOUT [mF]
VIN £ 0.6 V
VCPOUT1(S) = 2.4 V
Ta = 25°C
100
80
60
VIN = 0.35 V
40
VIN = 0.4 V
VIN = 0.6 V
20
0
0 20 40 60 80 100
CCPOUT [mF]
10
8
6
4
2
0
0
VIN ³ 0.6 V
VCPOUT1(S) = 2.4 V
Ta = 25°C
VIN = 0.6 V
VIN = 1.0 V
VIN = 2.0 V
20 40 60 80 100
CCPOUT [mF]
6. Discharge Start Delay Time (t_OUT) vs. Temperature (Ta)
VIN £ 0.6 V
VCPOUT1(S) = 2.0 V
CCPOUT = 10 mF
20
15
VIN = 0.3 V
10 _{VIN = 0.35 V}
5
VIN = 0.4 V VIN = 0.6 V
0
-40 -20 0 20 40 60 80
Ta [°C]
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20
VIN ³ 0.6 V
VCPOUT1(S) = 2.0 V
CCPOUT = 10 mF
VIN = 0.6 V
VIN = 1.0 V
VIN = 2.0 V
0 20 40 60 80
Ta [°C]
VIN £ 0.6 V
VCPOUT1(S) = 2.4 V
CCPOUT = 10 mF
20
15
10
VIN = 0.35 V
VIN = 0.4 V
VIN = 0.6 V
5
0.0
-40 -20 0 20 40 60 80
Ta [°C]
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20
VIN ³ 0.6 V
VCPOUT1(S) = 2.4 V
CCPOUT = 10 mF
VIN = 0.6 V
VIN = 1.0 V
VIN = 2.0 V
0 20 40 60 80
Ta [°C]
16
Seiko Instruments Inc.