FAN2110 Fairchild Semiconductor, FAN2110 Datasheet - Page 5
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FAN2110
Manufacturer Part Number
FAN2110
Description
This part is covered in Fairchild's href="http://www
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN2110.pdf
(17 pages)
© 2008 Fairchild Semiconductor Corporation
FAN2110 • Rev. 1.0.3
Power Supplies
Oscillator
Reference
Error Amplifier
Protection and Shutdown
Soft-Start
Electrical Specifications
Electrical specifications are the result of using the circuit shown in Figure 1 with V
Symbol
V
I
t
V
V
V
SOURCE
V
GBW
t
FLT_HYS
OFFmin
T
V
T
V
ONmin
I
I
V
I
f
COMP
I
I
RAMP
SINK
BIAS
t
UVLO
UVSD
t
ILIM
SW
LIM
G
TSD
HYS
OVP
CC
SS
EN
FLT
FB
V
V
Frequency
Minimum On-Time
Ramp Amplitude, Peak-to-Peak
Minimum Off-Time
Reference Voltage (see Figure 4 for
Temperature Coefficient)
DC Gain
Gain Bandwidth Product
Output Voltage
Output Current, Sourcing
Output Current, Sinking
FB Bias Current
Current Limit (see Circuit
Description)
I
Over-Temperature Shutdown
Over-Temperature Hysteresis
Over-Voltage Threshold
Under-Voltage Shutdown
Fault Discharge Threshold
Fault Discharge Hysteresis
V
Fault Enable/SSOK (T1.0)
LIM
CC
CC
OUT
Current
Current
UVLO Threshold
to Regulation (T0.8)
(2)
(2)
Parameter
(2)
(2)
(2)
(2)
(2)
(2)
(2)
SW=Open, V
f
Shutdown: EN=0, V
Rising V
Hysteresis
R
R
16V
R
FAN2110MPX, 25°C
FAN2110EMPX, 25°C
V
V
V
V
R
V
16 Consecutive Clock Cycles
V
Internal IC Temperature
2 Consecutive Clock Cycles
16 Consecutive Clock Cycles
Measured at FB Pin
Measured at FB Pin (V
f
SW
SW
T
T
RAMP
CC
CC
CC
FB
ILIM
OUT
CC
=50K to GND
=24K to GND
=600KHz
=500KHz
=0.8V, 25°C
=5V
=5V, V
=5V, V
=5V, 25°C
IN
=182 K, 25°C, f
=1.5V, R
, 1.8V
=200K
5
CC
COMP
COMP
OUT
Conditions
FB
RAMP
, R
=2.2V
=1.2V
=0.7V, V
T
=243K
=30K,
CC
=5V
SW
FB
CC
=500KHz,
~500mV)
=5V,
(3)
(3)
(3)
IN
=12V, unless otherwise noted.
Continued on the following page…
Min. Typ. Max.
-850
255
540
794
795
110
4.1
0.4
1.5
0.8
-11
80
12
12
68
+155
0.53
-650
300
300
600
100
800
800
+30
115
250
250
2.2
1.2
-10
4.3
5.3
6.7
50
85
15
14
73
8
7
-450
345
660
150
806
805
121
4.5
3.2
12
10
65
16
78
-9
www.fairchildsemi.com
%V
%V
Unit
MHz
KHz
KHz
mA
mV
mV
mA
mA
mV
mV
mV
µA
µA
ms
ms
dB
nA
°C
°C
ns
ns
V
V
V
A
OUT
OUT