FAN2012 Fairchild Semiconductor, FAN2012 Datasheet - Page 4

• Manufacturer Part Number: FAN2012
• Description: 1.5A Low Voltage Current Mode Synchronous PWM Buck Regulator
• Manufacturer: Fairchild Semiconductor

FAN2011/FAN2012 Rev. 1.0.2
Electrical Characteristics
V
+85°C, unless otherwise noted. Typical values are at T
Additional Electrical Characteristics for FAN2012
Notes:
5. Load transient response test waveform.
Input Voltage
Quiescent Current
UVLO Threshold
PMOS On Resistance
NMOS On Resistance
P-channel Current Limit
Over-Temperature Protection
Switching Frequency
Line Regulation
Load Regulation
Output Voltage During Load Transition
(Note 5)
Output Voltage During Load Transition
(Note 5)
Reverse Leakage Current Into Pin SW
Reference Voltage, V
Output Voltage Accuracy
Shutdown Mode Supply Current
EN Bias Current
EN High Voltage
EN Low Voltage
T
IN
A
= 0°C to +85°C, V
= 4.5V to 5.5V, V
Parameter
Parameter
700
100
REF
0
OUT
IN
= 4.5 to 5.5V. Typical values are at T
t r = 67nS
= 1.2V, I
Figure 3. Load Transient Response Test Waveform
I
V
Hysteresis
V
V
4.5V < V
Rising temperature
Hysteresis
V
0mA ≤ I
I
V
V
0mA ≤ I
OUT
OUT
I
OUT
OUT
IN
IN
IN
IN
IN
IN
rising
= V
= V
= 4.5 to 5.5V, I
= Open, EN = GND, V
= 4.5 to 5.5V
V
= 0mA
from 100mA to 700mA
= 200mA, C
from 700mA to 100mA
EN
GS
GS
OUT
OUT
IN
= 0V
= 5V
= 5V
t f = 67nS
< 5.5V
≤ 1500mA
≤ 1500mA
Conditions
Conditions
0.6
OUT
IN
= 100mA
= 10µF, C
4
A
sw
= 25°C.
= 5.5V
FAN2011
FAN2012
FAN2011I
FAN2012I
-40°C to +85°C
A
OUT
= 25°C.
= 4 x 10µF, L = 3.3µH, T
Min.
1.3
Min.
2200
1000
4.6
4.5
3.5
-5
-2
-3
Typ.
0.1
Time (mSec)
Typ.
2600
1300
0.16
150
150
150
150
3.7
0.2
0.1
0.8
20
7
Max.
0.1
0.4
A
1
= 0°C to
Max.
3500
1600
290
290
5.5
3.9
0.5
10
5
1
2
3
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Units
Units
µA
µA
V
V
kHz
%/V
m Ω
m Ω
mA
mV
mA
°C
°C
µA
%
%
%
%
%
V
V
V