MAX1720 ON Semiconductor, MAX1720 Datasheet - Page 4

• Manufacturer Part Number: MAX1720
• Description: Switched Capacitor Voltage Inverter
• Manufacturer: ON Semiconductor

−1.0
−2.0
−3.0
−4.0
−5.0
−6.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
0.0
V
0.5
0
th(SHND)
Figure 12. Supply Voltage vs. Shutdown Input
Figure 8. Output Voltage vs. Output Current
T
Figure 10. Output Voltage Ripple and Noise
Device Shutdown
V
A
in
= 25°C
Low State,
= 2.0 V
, SHUTDOWN INPUT VOLTAGE THRESHOLD (V)
10
1.0
I
out
, OUTPUT CURRENT (mA)
Voltage Threshold
V
TIME = 25 ms / Div.
in
1.5
20
= 3.3 V
Figure 14 Test Setup
V
I
T
Device Operating
out
A
in
2.0
Figure 14 Test Setup
T
30
= 25°C
High State,
= 3.3 V
A
= 5.0 mA
= 25°C
V
in
= 5.0 V
2.5
40
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MAX1720
3.0
50
4
1.75
1.50
1.25
1.00
0.75
0.50
0.25
100
90
80
70
60
50
40
−50
0
R
SHDN = GND
Figure 9. Power Conversion Efficiency vs.
L
V
Figure 13. Wakeup Time From Shutdown
Figure 11. Shutdown Supply Current vs.
= 10 kW
in
= 1.5 V
−25
10
T
A
, AMBIENT TEMPERATURE (°C)
I
out
Ambient Temperature
, OUTPUT CURRENT (mA)
V
TIME = 500 ms / Div.
in
0
Output Current
= 2.0 V
20
SHDN = 5.0V/Div.
V
V
out
in
25
= 3.3 V
= 1.0 V/Div.
V
in
Figure 14 Test Setup
T
30
V
R
T
= 3.3 V
A
A
in
L
= 25°C
= 1.0 kW
= 25°C
50
= 5.0 V
V
V
V
in
40
in
in
75
= 1.5 V
= 5.0 V
= 5.0 V
100
50