FAN2106_09 Datasheet, PDF (5/15 Pages) Fairchild Semiconductor – 3-24V Input, 6A, High-Efficiency, Integrated Synchronous Buck Regulator

Electrical Specifications
Electrical specifications are the result of using the circuit shown in Figure 1 with VIN = 12V, unless otherwise noted.
Parameter
Power Supplies
VCC Current
VCC UVLO Threshold
Oscillator
Frequency
Minimum On-Time⁽²⁾
Ramp Amplitude, Peak-to-Peak
Minimum Off-Time⁽²⁾
Reference
Reference Voltage (VFB)⁽³⁾
Error Amplifier
DC Gain⁽²⁾
Gain Bandwidth Product⁽²⁾
Output Voltage (VCOMP)
Output Current, Sourcing
Output Current, Sinking
FB Bias Current
Protection and Shutdown
Current Limit
ILIM Current
Over-Temperature Shutdown
Over-Temperature Hysteresis
Over-Voltage Threshold
Under-Voltage Shutdown
Fault Discharge Threshold
Fault Discharge Hysteresis
Soft-Start
VOUT to Regulation (T0.8)
Fault Enable/SSOK (T1.0)
Conditions
SW = Open, FB = 0.7V, VCC = 5V,
fSW = 600KHz
Shutdown: EN = 0, VCC = 5V
Rising VCC
Hysteresis
RT = 50KΩ
RT = 24KΩ
16VIN, 1.8VOUT, RT = 30KΩ,
RRAMP = 200KΩ
FAN2106MPX, TA = 25°C
FAN2106EMPX, TA = 25°C
VCC = 5V
VCC = 5V, VCOMP = 2.2V
VCC = 5V, VCOMP = 1.2V
VFB = 0.8V, TA = 25°C
RILIM Open, fSW = 500KHz, VOUT = 1.8V,
RRAMP = 200KΩ, 16 Consecutive Cycles
VCC = 5V, TA = 25°C
Internal IC Temperature
2 Consecutive Clock Cycles
16 Consecutive Clock Cycles
Measured at FB Pin
Measured at FB Pin (VFB ~500mV)
Frequency = 600KHz
Min. Typ. Max. Unit
4.1
255
540
794
795
80
12
0.4
1.5
0.8
-850
8
12
mA
7
10
µA
4.3
4.5
V
300
mV
300
600
50
0.53
100
345 KHz
660 KHz
65
ns
V
150
ns
800
806
mV
800
805
mV
85
15
2.2
1.2
-650
3.2
-450
dB
MHz
V
mA
mA
nA
6
8
10
A
-11
-10
-9
µA
+155
°C
+30
°C
110
115
120 %VOUT
68
73
78
%VOUT
250
mV
250
mV
5.3
ms
6.7
ms
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© 2009 Fairchild Semiconductor Corporation
FAN2106 • Rev. 1.1.0
5
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