FAN5355(2010) Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN5355 Datasheet PDF : 26 Pages
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Electrical Specifications (Continued)
VIN = 3.6V, 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
Output Regulation
VOUT
VOUT Accuracy
Conditions
Option 00
Option 02
Option 03
Option 06
IOUT(DC) = 0, Forced PWM, VOUT = 1.35V
2.7V ≤ VIN ≤ 5.5V, VOUT from 0.75 to 1.5375,
IOUT(DC) = 0 to 800mA, Forced PWM
2.7V ≤ VIN ≤ 5.5V, VOUT from 0.75 to 1.5375,
IOUT(DC) = 0 to 800mA, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.20V
2.7V ≤ VIN ≤ 5.5V, VOUT from 0.75 to 1.4375,
IOUT(DC) = 0 to 800mA, Forced PWM
2.7V ≤ VIN ≤ 5.5V, VOUT from 0.75 to 1.4375,
IOUT(DC) = 0 to 800mA, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.20V
2.7V ≤ VIN ≤ 5.5V, VOUT from 0.75 to 1.5375,
IOUT(DC) = 0 to 1A, Forced PWM
2.7V ≤ VIN ≤ 5.5V, VOUT from 0.75 to 1.5375,
IOUT(DC) = 0 to 1A, PFM Mode
IOUT(DC) = 0, Forced PWM, VOUT = 1.800V
2.7V ≤ VIN ≤ 5.5V, VOUT from 1.185 to 1.975,
IOUT(DC) = 0 to 1A, Forced PWM
2.7V ≤ VIN ≤ 5.5V, VOUT from 1.185 to 1.975,
IOUT(DC) = 0 to 1A, PFM Mode
Min. Typ. Max. Units
–1.5
1.5
%
–2
2
%
–1.5
3.5
%
–1.5
1.5
%
–2
2
%
–1.5
3.5
%
–1.5
1.5
%
–2
2
%
–1.5
3.5
%
–1.5
1.5
%
–2
2
%
–1.5
3.5
%
ΔVOUT
ΔILOAD
Load Regulation
IOUT(DC) = 0 to 800mA, Forced PWM
–0.5
%/A
Δ VOUT
ΔVIN
Line Regulation
2.7V ≤ VIN ≤ 5.5V, IOUT(DC) = 300mA
0
%/V
VRIPPLE Output Ripple Voltage
PWM Mode, VOUT = 1.35V
PFM Mode, IOUT(DC) = 10mA
2.2
mVPP
20
mVPP
Continued on the following page…
© 2008 Fairchild Semiconductor Corporation
6
FAN5355 • Rev. 1.0.6
www.fairchildsemi.com
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