S8880A Datasheet, PDF (16/30 Pages) Seiko Instruments Inc – ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP
S-8880A Series
Rev.1.0_01
1. 4 Current consumption during operation (I_SS)
vs. Input voltage (V_IN)
V_CPOUT = 0 V
1.8
VCPOUT1(S) = 2.4 V
1.5
1.2
0.9
VCPOUT1(S) = 1.8 V
0.6
0.3
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
VIN [V]
1. 6 Power-off voltage (V_OFF) vs. Input voltage (V_IN)
1. 5 Current consumption during power-off (I_SSS)
vs. Input voltage (V_IN)
V_VM = 3.0 V
30
25
20
15
VCPOUT1(S) = 1.8 V
10
VCPOUT1(S) = 2.4 V
5
0
0.0
0.5
1.0
1.5
2.0
VIN [V]
1. 7 VM pin input current (I_VM) vs. VM pin voltage (V_VM)
2.8
2.6
2.4
2.2
VOFF(S) = 2.5 V
2.0
1.8
1.6
VOFF(S) = 1.9 V
1.4
0.0 0.5 1.0 1.5 2.0 2.5 3.0
VIN [V]
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
VOFF(S) = 2.5 V
VOFF(S) = 1.9 V
0.5 1.0 1.5 2.0 2.5 3.0
VVM [V]
16