FAN2012 Fairchild Semiconductor, FAN2012 Datasheet - Page 5

• Manufacturer Part Number: FAN2012
• Description: 1.5A Low Voltage Current Mode Synchronous PWM Buck Regulator
• Manufacturer: Fairchild Semiconductor

FAN2011/FAN2012 Rev. 1.0.2
Typical Performance Characteristics
T
A
= 25°C, C
1.214
1.212
1.210
1.208
1.206
1.204
1.202
1.200
1.198
1.196
1.194
100
90
80
70
60
50
40
30
Output Voltage vs. Ambient Temperature
10
-40
-20
Efficiency vs. Load Current
IN
V
IN
Ambient Temperature (°C)
= 10µF, C
= 5.5V
0
V
Load Current (mA)
100
IN
20
= 5V
V
OUT
40
IN
= 4.5V
= 40µF, L = 3.3µH, V
Temp (∞ C) vs Vout@ 0 mA
Temp (∞ C) vs Vout@ 100mA
Temp (∞ C) vs Vout@ 500 mA
Temp (∞ C) vs Vout@ 1000 mA
Temp (∞ C) vs Vout@ 1500 mA
60
1000
V
80
V
OUT
OUT
100
= 1.2V
= 3.3V
120
10000
IN
= 5V, unless otherwise noted.
5
Switching Frequency vs. Ambient Temperature
1260
1255
1250
1245
1240
1235
1230
0
Ambient Temperature (°C)
20
40
60
80
100
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120