FAN5361 Fairchild Semiconductor, FAN5361 Datasheet - Page 5

• Manufacturer Part Number: FAN5361
• Description: The FAN5361 is a 600mA or 750mA, step-down, switching voltage regulator that delivers a fixed output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

Typical Performance Characteristics
Unless otherwise noted, V
© 2008 Fairchild Semiconductor Corporation
FAN5361 • Rev. 1.1.2
Figure 5. Efficiency vs. Load Current and Input Supply Figure 6. Efficiency vs. Load Current and Temperature
Figure 7. 1.233V
100%
1.84
1.83
1.82
1.81
1.80
100%
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
0
1
1
100
Figure 9. Load Regulation
I
I
OUT
LOAD
LOAD
200
and Supply
10
IN
10
Load Current (mA)
= V
Efficiency vs. Load Current
Output Current (mA)
Output Current (mA)
EN
300
= 3.6V, V
100
100
400
MODE
= 0V (AUTO Mode), V
Auto 2.3VIN
Auto 2.7VIN
Auto 3.6VIN
Auto 4.2VIN
VIN=2.3V
VIN=2.7V
VIN=3.6V
VIN=4.2V
500
VIN=2.3V
VIN=2.7V
VIN=3.6V
VIN=4.2V
1000
1000
600
5
Figure 8. Efficiency, Auto PWM/PFM vs. Forced PWM
Figure 10. 1.233V
100%
1.248
1.243
1.238
1.233
1.228
1.223
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
100%
OUT
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
1
0.0
= 1.82V, T
1
0.1
A
OUT
= 25°C.
I
LOAD
Load Regulation vs. Input Supply
I
10
I
0.2
10
LOAD
LOAD
Output Current (mA)
Output Current (mA)
Output Current (A)
0.3
100
100
0.4
25C
85C
-30C
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Auto PFM/PWM
Forced PWM
VIN=2.3V
VIN=2.7V
VIN=3.6V
VIN=4.2V
0.5
1000
1000
0.6