FAN2013 Datasheet, PDF (4/9 Pages) Fairchild Semiconductor – 2A Low-Voltage Current-Mode Synchronous PWM Buck Regulator

Electrical Characteristics
V_IN = 4.5V to 5.5V, V_OUT = 1.2V, I_OUT = 200mA, C_IN = 10µF, C_OUT = 40µF, L = 2.2µH, T_A = -40°C to +85°C, unless
otherwise noted. Typical values are at T_A = 25°C.
Parameter
Conditions
Input Voltage
Quiescent Current
UVLO Threshold
I_OUT = 0mA
V_IN rising
Hysteresis
PMOS On Resistance
NMOS On Resistance
P-Channel Current Limit
Over-Temperature Protection
V_IN = V_GS = 5V
V_IN = V_GS = 5V
4.5V < V_IN < 5.5V
Rising temperature
Hysteresis
Switching Frequency
Line Regulation
V_IN = 4.5 to 5.5V
I_OUT = 100mA
Load Regulation
0mA ≤ I_OUT ≤ 2000mA
Output Voltage During Load Transition⁽⁴⁾
I_OUT from 1500mA to 100mA
C_OUT = 60µF
Output Voltage During Load Transition⁽⁴⁾
I_OUT from 100mA to 1500mA
C_OUT = 60µF
Reverse Leakage Current into Pin SW
V_IN = Open, EN = GND,
V_sw = 5.5V
Reference Voltage, V_REF
Output Voltage Accuracy
V_IN = 4.5 to 5.5V
0mA ≤ I_OUT ≤ 2000mA
T_A = 0C to +85C
V_IN = 4.5 to 5.5V
0mA ≤ I_OUT ≤ 2000mA
T_A = -40C to +85C
FB voltage rising
Power Good Output Threshold and Hysteresis
Hysteresis
Power Good Output Delay
Power Good Output Voltage Low
Isink=6mA, open drain output
Over-Voltage Protection (OVP) Threshold and ^{FB voltage rising}
Hysteresis
Hysteresis
Min.
4.5
3.5
2.8
1000
-5
-2
-3
Typ.
5
3.7
150
90
90
3.5
150
20
1300
0.16
0.2
0.1
0.8
0.95 x V_OUT
2
100
1.07 x V_OUT
2
Max.
5.5
10
4.0
4.2
1600
0.6
5
1
2
3
0.4
Units
V
mA
V
mV
mΩ
mΩ
A
°C
°C
kHz
%/V
%
%
%
µA
V
%
%
V
%
µs
V
V
%
Notes:
4. Refer to the load transient response test waveform in Figure 3.
1500
100
0
tr = 100nsec
ss
tf = 100nsec
ss
0.6
ssss
4.6 Time (msec)
Figure 3. Load Transient Response Test Waveform
© 2006 Fairchild Semiconductor Corporation
FAN2013 Rev. 1.0.0
4
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