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FAN5307 Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part No. FAN5307
Description  High-Efficiency Step-Down DC-DC Converter
Download  13 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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FAN5307 Datasheet(HTML) 5 Page - Fairchild Semiconductor

 
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FAN5307 Rev. 1.0.4
Electrical Characteristics for Fixed VOUT = 1.8V Version
Note:
4. Transition voltage is defined as the difference between the output voltage measured at 0.1mA (PFM mode) and
300mA (PWM mode), respectively.
5.
6. These limits also apply to any mode transition caused by any kind of load transition within specified output current
range.
VIN = 2.5V to 5.5V, IOUT = 200mA, EN = VIN, CIN = 4.7µF, COUT = 22µF, LX = 10µH, TA = -40°C to +85°C, unless
otherwise noted. Typical values are at TA = 25°C.
Parameter
Conditions
Min.
Typ.
Max.
Units
PFM to PWM Transition Voltage
(Note 4)
VIN = 3.7V, TA = 25°C,
0.1mA
≤ I
OUT ≤ 300mA
72
mV
PFM to PWM Transition Voltage
(Note 4)
VIN = 4.2V, TA = 25°C,
0.1mA
≤ I
OUT ≤ 300mA
72
mV
Output Voltage during Mode
Transition (Note 5, 6)
1.7
1.93
V
Over Voltage Clamp Threshold
Incl. line, load, load transients,
and temperature
1.878
1.93
V
0.01
0.587 0.589
Time (mSec)
ss
0
4.6
2
200
Load Transient Response Test Waveform
tr = 10µS
tf = 2µS


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