FAN5331 Datasheet, PDF (3/10 Pages) Fairchild Semiconductor – 1.6MHz Boost Converter with 20V Integrated FET Switch

Electrical Characteristics
Unless otherwise noted, V_IN = 3.6V, T_A = -40°C to +85°C, Typical values are at T_A = 25°C, Test Circuit,
Figure 3.
Parameter
Switch Current Limit
Load Current
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
Conditions
V_IN = 3.2V
V_OUT = 15V, V_IN ≥ 2.7V
V_OUT = 15V, V_IN ≥ 3.2V
V_IN = 5V
V_IN = 3.6V
V_SHDN = 3.6V, No Switching
V_SHDN = 3.6V, Switching
V_SHDN = 0V
Device ON
Device OFF
V_SHDN = 0V or V_SHDN = 5.5V
I_Load = 0mA
2.7V < V_IN < 5.5V, I_LOAD = 0mA
V_IN = 2.7V, I_OUT = 35mA, V_OUT = 15V
V_IN = 2.7V, I_OUT = 35mA, V_OUT = 15V
No Switching, V_IN = 5.5V
Min.
0.7
35
50
1.5
1.205
1.15
87
Typ.
1
0.5
0.7
0.7
1.6
0.1
10
1.230
10
0.6
1.6
93
0.8
0.8
Max.
3.0
2
0.5
1.255
1.2
1.85
5
5
1
Units
A
mA
mA
Ω
Ω
mA
mA
µA
V
V
nA
V
nA
%
MHz
%
mS
mS
µA
Test Circuit
V_IN
2.7V to 5.5V
C_IN
4.7µF
5
V
IN
L
10µH
SW ¹
3
FB
BAT54
R1
150KΩ
V_OUT
C_OUT
4.7µF
C_F
120pF
ON
OFF
4
SHDN
2
GND
R2 _13.4KΩ
Figure 3. Test Circuit
3
www.fairchildsemi.com
FAN5331 Rev. 1.0.1