S-882Z Datasheet, PDF (18/24 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
11. Discharge Control Switch Leak Current (I_LEAK) vs. Input Voltage (V_IN)
= VVM 2.0 V
0.8
0.8
0.6
0.4
= ° Ta 85 C
= ° Ta 25 C
Ta = -40°C
0.6
0.4
0.2
0.2
= VVM 3.0 V
= ° Ta 85 C
= ° Ta 25 C
Ta = -40°C
0.0
0.0
0.5
1.0
1.5
VIN [V]
2.0
2.5
12. VM Pin Input Current (I_VM) vs. VM Pin Voltage (V_VM)
= VOFF(S)
1.9 V
1.2
1.0
= ° Ta 85 C
0.8
0.6
0.4
0.2
= ° Ta 25 C
Ta = -40°C
0.0
0.0
0.5
1.0
1.5 2.0
VVM [V]
2.5
3.0
13. Oscillation Frequency (f_OSC) vs. Input Voltage (V_IN)
= ° Ta 25 C
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VIN [V]
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
VIN [V]
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
0.5
= VOFF(S) 2.5 V
= ° Ta 85 C
= ° Ta 25 C
Ta = -40°C
1.0
1.5 2.0
VVM [V]
2.5
3.0
18
Seiko Instruments Inc.