FAN53601UC182X View Datasheet(PDF) -
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Typical Performance Characteristics (Continued)
Unless otherwise noted, VIN = VEN = 3.6 V, VMODE = 0 V (AUTO Mode), VOUT = 1.82 V, and TA = 25°C.
350
350
300
300
250
250
200
200
150
150
100
PWM
PFM
50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
100
PWM
PFM
50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Figure 10. PFM / PWM Boundary vs. Input Voltage
35
- 40C, EN=VIN
+25C, EN=VIN
+85C, EN=VIN
- 40C, EN=1.8V
30
+25C, EN=1.8V
+85C, EN=1.8V
25
20
Figure 11. PFM / PWM Boundary vs. Input Voltage,
VOUT=1.23 V
15
- 40C
+25C
12
+85C
9
6
3
15
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Figure 12. Quiescent Current vs. Input Voltage and
Temperature, Auto Mode; EN=VIN Solid, Dotted for
EN=1.8 V (-40oC, +25oC, +85oC)
25
2.7VIN, AUTO
3.6VIN, AUTO
5.0VIN, AUTO
20
2.7VIN, PWM
3.6VIN, PWM
5.0VIN, PWM
15
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Figure 13. Quiescent Current vs. Input Voltage and
Temperature, Mode=EN=VIN (FPWM)
7,500
6,000
4,500
10
5
0
0
200
400
600
800
1000
Load Current (mA)
Figure 14. Output Ripple vs. Load Current and
Input Voltage, FPWM, Dotted for Auto Mode
3,000
1,500
0
0
200
400
600
Load Current (mA)
2.7VIN, AUTO
3.6VIN, AUTO
5.0VIN, AUTO
2.7VIN, PWM
3.6VIN, PWM
5.0VIN, PWM
800
1000
Figure 15. Frequency vs. Load Current and
Input Voltage, Auto Mode, Dotted for FPWM
© 2010 Fairchild Semiconductor Corporation
FAN53601 / FAN53611 • Rev. 1.0.1
6
www.fairchildsemi.com
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