FAN21SV04 Fairchild Semiconductor, FAN21SV04 Datasheet - Page 5

• Manufacturer Part Number: FAN21SV04
• Description: This part is covered in Fairchild's href="http://www
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN21SV04 • Rev. 1.0.2
Electrical Characteristics
Recommended operating conditions and using the circuit shown in Figure 1, with V
otherwise noted.
Power Supplies
Operating Current
(VIN+VIN_Reg)
VIN_Reg Operating Current
VIN_Reg Quiescent Current
VIN_Reg Standby Current
5V_Reg Output Voltage
5V_Reg Max. Current Load
VIN_Reg UVLO Threshold
Reference
Reference Voltage measured
at FB (See Figure 4 for
Temperature Coefficient)
Oscillator
Frequency
Frequency in Slave Mode
Compared to Master Mode
Minimum On Time
Duty Cycle
Ramp Amplitude,
Peak–to-Peak
Minimum Off Time
Synchronization
CLK Output Pulse Width
CLK Output Sink Current
CLK Output Source Current
CLK Input Pulse Width
CLK Input Source Current
CLK Input Threshold, Rising
Soft-Start
V
Fault Enable/SSOK (T
Error Amplifier
DC Gain
Gain Bandwidth Product
Output Voltage Swing (V
Output Current, Sourcing
Output Current, Sinking
FB Bias Current
Note:
2.
OUT
Specifications guaranteed by design and characterization; not production tested.
to Regulation (T
(2)
Parameter
(2)
(2)
(2)
0.8
1.0
)
(2)
)
COMP
)
V
f
EN=High, 5V_Reg Open, CLK Open,
f
EN=High, FB=0.9V
EN=0, V
Internal V
6.5V<VIN_Reg<24V
VIN_Reg=12V
Rising V
Falling V
FAN21SV04MPX, T
FAN21SV04EMPX, T
R
R
R
(Slave Mode)
V
V
Master (R
Master, V
Slave: V
Slave: V
Slave
Frequency=500KHz
VIN_Reg > 6.5V
5V_Reg=5V, V
5V_Reg=5V, V
V
Master, V
SW
SW
IN
T
T
T
IN
IN
FB
=50k to GND (Master Mode)
=24k to GND (Master Mode)
=24 k to 50k to 5V_Reg
=12V, 5V_Reg Open, CLK Open,
=6.5V, f
=16V, 1.8V
=500KHz, No Load
=500KHz
=0.8V, T
IN
CLK
CLK
IN
IN
CC
CLK
CLK
, V
T
=12V
, V
SW
=1V
to GND)
> 2V
A
Regulator, No Load,
IN
=0.4V
=2V
IN
=25°C
=600KHz
=VIN_Reg
OUT
=VIN_Reg
COMP
COMP
Conditions
, R
=2.2V
=1.2V
A
T
=25°C
=30k, R
A
=25°C
5
RAMP
=200k
Min.
0.25
-230
1.73
-850
794
795
255
540
-2.5
-15
0.4
1.5
0.8
4.7
70
50
80
12
IN
, VIN_Reg=12V, unless
Typ.
-200
-650
1.83
800
800
300
600
100
5.0
5.6
0.5
2.5
3.1
2.2
1.2
22
11
40
80
85
85
15
4
Max.
-170
-450
0.35
1.93
-2.0
806
805
345
660
+15
150
100
5.3
6.3
4.0
2.5
1.5
30
65
85
5
5
1
5
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Units
MHz
KHz
mA
mA
mA
mA
mA
mV
mA
mA
mA
mA
µA
ms
ms
nA
dB
ns
ns
ns
ns
%
%
V
V
V
V
V
V