FAN5331 Fairchild Semiconductor, FAN5331 Datasheet - Page 3

• Manufacturer Part Number: FAN5331
• Description: The FAN5331 is a general purpose, fixed-frequency boost converter designed to operate at high switching frequencies in order to minimize switching noise measured at the battery terminal of hand-held communications equipment
• Manufacturer: Fairchild Semiconductor

FAN5331 Rev. 1.0.1
Electrical Characteristics
Unless otherwise noted, V
Figure 3.
Test Circuit
Switch Current Limit
Load Current Capability
Switch On-resistance
Quiescent Current
OFF Mode Current
Shutdown Threshold
Shutdown Pin Bias Current
Feedback Voltage
Feedback Pin Bias Current
Feedback Voltage Line Regulation
Switching Frequency
Maximum Duty Cycle
Enable Delay
Power on Delay
Switch Leakage Current
Parameter
V
IN
C
4.7 F
ON
IN
2.7V to 5.5V
OFF
IN
= 3.6V, T
V
V
V
V
V
V
V
V
Device ON
Device OFF
V
I
2.7V < V
V
V
No Switching, V
5
4
Load
OUT
OUT
IN
IN
IN
SHDN
SHDN
SHDN
SHDN
IN
IN
SHDN
V
= 3.2V
= 5V
= 3.6V
= 2.7V, I
= 2.7V, I
IN
= 0mA
= 15V, V
= 15V, V
= 3.6V, No Switching
= 3.6V, Switching
= 0V
= 0V or V
A
IN
= -40°C to +85°C, Typical values are at T
< 5.5V, I
OUT
OUT
L
Conditions
H
Figure 3. Test Circuit
IN
IN
IN
GND
SHDN
= 35mA, V
= 35mA, V
FB
SW
= 5.5V
2.7V
3.2V
LOAD
= 5.5V
1
3
2
= 0mA
OUT
OUT
3
BAT54
= 15V
= 15V
R1
R2
150K
13.4K
Min.
1.205
1.15
0.7
1.5
35
50
87
120pF
C
F
Typ.
1.230
A
0.5
0.7
0.7
1.6
0.1
0.6
1.6
0.8
0.8
10
10
93
4.7 F
1
C
= 25°C, Test Circuit,
OUT
V
OUT
Max.
1.255
1.85
3.0
0.5
1.2
2
5
5
1
www.fairchildsemi.com
Units
MHz
mA
mA
mA
mA
mS
mS
nA
nA
%
%
A
V
V
V
A
A