FAN5236QSC View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
View to exact match
FAN5236QSC Datasheet PDF : 20 Pages
| |||
FAN5236
PRODUCT SPECIFICATION
Electrical Specifications Recommended operating conditions, unless otherwise noted.
Parameter
Conditions
Power Supplies
VCC Current
LDRV, HDRV Open, VSEN forced
above regulation point
Shut-down (EN=0)
VIN Current – Sinking
VIN = 24V
VIN Current – Sourcing
VIN = 0V
VIN Current – Shut-down
UVLO Threshold
Rising VCC
Falling
UVLO Hysteresis
Oscillator
Frequency
Ramp Amplitude, pk–pk
VIN = 16V
Ramp Amplitude, pk–pk
VIN = 5V
Ramp Offset
Ramp / VIN Gain
VIN ≥ 3V
Ramp / VIN Gain
1V < VIN < 3V
Reference and Soft Start
Internal Reference Voltage
Soft Start current (ISS)
Soft Start Complete Threshold
at start-up
PWM Converters
Load Regulation
VSEN Bias Current
IOUTX from 0 to 5A, VIN from 5 to 24V
VOUT pin input impedance
Under-voltage Shutdown
as % of set point. 2µS noise filter
Over-voltage threshold
as % of set point. 2µS noise filter
ISNS Over-Current threshold
Output Drivers
RILIM= 68.5KΩ see Figure 11.
HDRV Output Resistance
Sourcing
Sinking
LDRV Output Resistance
Sourcing
Sinking
PG (Power Good Output) and Control pins
Lower Threshold
as % of set point, 2µS noise filter
Upper Threshold
as % of set point, 2µS noise filter
PG Output Low
IPG = 4mA
Leakage Current
PG2/REF2OUT Voltage
VPULLUP = 5V
DDR = 1, 0 mA < IREF2OUT ≤10mA
Min.
10
4.3
4.1
255
0.891
-2
50
45
70
115
112
–86
108
99
Typ.
2.2
–15
4.55
4.25
300
300
2
1.25
0.5
125
250
0.9
5
1.5
80
55
75
120
140
12
2.4
12
1.2
Max. Units
3.0 mA
30
µA
30
µA
–30 µA
1
µA
4.75 V
4.45 V
mV
345 KHz
V
V
V
mV/V
mV/V
0.909 V
µA
V
+2
%
120 nA
65
KΩ
80
%
125
%
168 µA
15
Ω
4
Ω
15
Ω
2
Ω
–94
%
116
%
0.5
V
1
µA
1.01 %
VREF2
REV. 1.1.9 7/12/04
5
|
|
Share Link: 