Datasheet

REV. –6–
ADM660/ADM8660
CHARGE-PUMP FREQUENCY – kHz
4.5
0
1 100010 100
1.5
0.5
2.5
5.0
2.0
1.0
3.0
4.0
3.5
LOAD = 1mA
OUTPUT VOLTAGE – Volts
LOAD = 10mA
LOAD = 50mA
LOAD = 80mA
TPC 7. Output Voltage vs. Charge-Pump Frequency
SUPPLY VOLTAGE – Volts
30
OUTPUT SOURCE RESISTANCE – ⍀
25
0
1.5 6.52.5 3.5 4.5 5.5
20
15
10
5
TPC 8. Output Source Resistance vs. Supply Voltage
SUPPLY VOLTAGE – Volts
30
0
1.5 3.5 5.5
20
10
2.5 4.5 6.5
LV = GND
LV = OPEN
FC = OPEN
OSC = OPEN
C1, C2 = 10␮F
CHARGE-PUMP FREQUENCY – kHz
TPC 9. Charge-Pump Frequency vs. Supply Voltage
TEMPERATURE – C
35
15
0
–40
CHARGE-PUMP FREQUENCY – kHz
–20 0 20 4060 80
30
25
10
5
20
LV = GND
FC = OPEN
C1, C2 = 10␮F
TPC 10. Charge-Pump Frequency vs. Temperature
CAPACITANCE –
p
F
CHARGE-PUMP FREQUENCY – kHz
1k
100
0.1
11k10 100
10
1
FC = OPEN
LV = GND
FC = V+
LV = GND
TPC 11. Charge-Pump Frequency vs. External
Capacitance
SUPPLY VOLTAGE – Volts
CHARGE-PUMP FREQUENCY – kHz
140
0
373.5 4 4.5 5 5.5 6 6.5
120
80
60
40
20
100
LV = GND
LV = OPEN
FC = V+
OSC = OPEN
C1,C2 = 2.2␮F
TPC 12. Charge-Pump Frequency vs. Supply Voltage
C