FAN5355 查看數據表（PDF） - ON Semiconductor
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FAN5355 Datasheet PDF : 27 Pages
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Electrical Specifications (Continued)
VIN = 3.6 V, EN = VIN, VSEL = VIN, SYNC = GND, VSEL0(6) bit = 1, CONTROL2[4:3] = 00. TA = -40°C to +85°C, unless otherwise
noted. Typical values are at TA = 25°C. Circuit and components according to Figure 1.
Symbol Parameter
Conditions
Min. Typ. Max. Units
Output Regulation
IOUT(DC) = 0, Forced PWM, VOUT = 1.35 V
Option 00
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.5375, IOUT(DC) = 0 to 800 mA, Forced PWM
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.5375, IOUT(DC) = 0 to 800 mA, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.20 V
Option 02
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.4375, IOUT(DC) = 0 to 800 mA, Forced PWM
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.4375, IOUT(DC) = 0 to 800 mA, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.20 V
–1.5
–2
–1.5
–1.5
–2
–1.5
–1.5
1.5
%
2
%
3.5
%
1.5
%
2
%
3.5
%
1.5
%
VOUT
VOUT Accuracy
Option 03
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.5375, IOUT(DC) = 0 to 1 A, Forced PWM
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.5375, IOUT(DC) = 0 to 1 A, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.800 V
Option 06
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 1.185 to
1.975, IOUT(DC) = 0 to 1 A, Forced PWM
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 1.185 to
1.975, IOUT(DC) = 0 to 1 A, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.20 V
–2
–1.5
–1.5
–2
–1.5
–1.5
2
%
3.5
%
1.5
%
2
%
3.5
%
1.5
%
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
Option 08 1.4375, IOUT(DC) = 0 to 1100 mA, Forced
–2
PWM
2
%
2.7 V ≤ VIN ≤ 5.5 V, VOUT from 0.75 to
1.4375, IOUT(DC) = 0 to 1100 mA, PFM Mode
–1.5
3.5
%
ΔVOUT
ΔILOAD
Load Regulation
IOUT(DC) = 0 to 800 mA, Forced PWM
–0.5
%/A
ΔVOUT
ΔVIN
Line Regulation
2.7 V ≤ VIN ≤ 5.5 V, IOUT(DC) = 300 mA
0
%/V
VRIPPLE Output Ripple Voltage
PWM Mode, VOUT = 1.35 V
PFM Mode, IOUT(DC) = 10 mA
2.2
mVPP
20
mVPP
Continued on the following page…
© 2008 Fairchild Semiconductor Corporation
6
FAN5355 • Rev. 1.1.7
www.fairchildsemi.com
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