GS7660 Datasheet, PDF (4/9 Pages) Vishay Siliconix – Switched-Capacitor Voltage Converter

GS7660
Vishay
formerly General Semiconductor
Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
Fig. 1 – Supply Current
vs. Supply Voltage
50
Boost = Open
40
30
LV = Open
20
LV = GND
10
0
1
2
3
4
5
6
Supply Voltage (V)
Fig. 3 – Output Voltage
vs. Load Current (VIN = 5V)
--2.5
--3.0
--3.5
Boost = Open
LV = Open
--4.0
--4.5
--5.0
0 10 20 30 40 50 60 70
Load Current (mA)
Fig. 5 – Oscillator Frequency
vs. Supply Voltage
60
Boost = Vin
50 LV = GND
LV = Open
40
30
20
LV = GND
10
5
1
2
LV = Open
Boost = Open
3
4
5
6
Supply Voltage, VIN (V)
www.vishay.com
4
Fig. 2 – Power Efficiency
vs. Load Current (V_IN = 5V)
100
90
Boost = Open
LV = Open
80
70
60
50
0 10 20 30 40 50 60 70
Load Current (mA)
Fig. 4 – Output Voltage
vs. Load Current (VIN = 2V)
2
Boost = Open
1
LV = GND
0
--1
--2
--40 --20
0 20 40 60 80 100 120
Load Current (mA)
Fig. 6 – Oscillator Frequency
vs. Value of COSC
35
30
25
Boost = VIN
20
15
10
Boost = Open
5
0
10
100
1000
10000
External Capacitor (Pin 7 to GND), COSC (pF)
Document Number 74819
24-May-02