FAN5355 Fairchild Semiconductor, FAN5355 Datasheet - Page 6

• Manufacturer Part Number: FAN5355
• Description: The FAN5355 device is a high-frequency, ultra-fast transient response, synchronous step-down DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN5355 • Rev. 1.1.0
Electrical Specifications
V
noted. Typical values are at T
Output Regulation
Symbol Parameter
IN
V



V

RIPPLE
I
V
= 3.6V, EN = V
V
LOAD
V
OUT
OUT
OUT
IN
V
Load Regulation
Line Regulation
Output Ripple Voltage
OUT
Accuracy
IN
, VSEL = V
A
Option 00
Option 02
Option 03
Option 06
Option 08
= 25°C. Circuit and components according to Figure 1.
IN
, SYNC = GND, VSEL0(6) bit = 1, CONTROL2[4:3] = 00. T
(Continued)
Conditions
I
2.7V ≤ V
I
2.7V ≤ V
I
I
2.7V ≤ V
I
2.7V ≤ V
I
I
2.7V ≤ V
I
2.7V ≤ V
I
I
2.7V ≤ V
I
2.7V ≤ V
I
I
2.7V ≤ V
I
2.7V ≤ V
I
I
2.7V ≤ V
PWM Mode, V
PFM Mode, I
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
OUT(DC)
= 0, Forced PWM, V
= 0 to 800mA, Forced PWM
= 0 to 800mA, PFM Mode
= 0, Forced PWM, V
= 0 to 800mA, Forced PWM
= 0 to 800mA, PFM Mode
= 0, Forced PWM, V
= 0 to 1A, Forced PWM
= 0 to 1A, PFM Mode
= 0, Forced PWM, V
= 0 to 1A, Forced PWM
= 0 to 1A, PFM Mode
= 0, Forced PWM, V
= 0 to 1100mA, Forced PWM
= 0 to 1100mA, PFM Mode
= 0 to 800mA, Forced PWM
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, V
≤ 5.5V, I
OUT(DC)
OUT
= 1.35V
OUT(DC)
= 10mA
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
6
from 0.75 to 1.5375,
from 0.75 to 1.5375,
from 0.75 to 1.4375,
from 0.75 to 1.4375,
from 0.75 to 1.5375,
from 0.75 to 1.5375,
from 1.185 to 1.975,
from 1.185 to 1.975,
from 0.75 to 1.4375,
from 0.75 to 1.4375,
= 300mA
OUT
OUT
OUT
OUT
OUT
= 1.35V
= 1.20V
= 1.20V
= 1.800V
= 1.20V
Min.
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
A
–2
–2
–2
–2
–2
= -40°C to +85°C, unless otherwise
Continued on the following page…
Typ.
–0.5
2.2
20
0
Max.
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1.5
3.5
1.5
3.5
1.5
3.5
1.5
3.5
1.5
3.5
2
2
2
2
2
Units
mV
mV
%/A
%/V
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
PP
PP