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KA3502 Fiches technique(PDF) 6 Page - Fairchild Semiconductor

No de pièce KA3502
Description  PC SMPS Supervisory IC
Download  14 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA3502 Fiches technique(HTML) 6 Page - Fairchild Semiconductor

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KA3502
6
Electrical Characteristics (Continued)
Note:
1.These parameters, although guaranteed, but not 100% tested in production.
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
REFERENCE 2 SECTION
Reference Input Voltage 2
Vref2
IIk2=1 mA
2.46
2.50
2.54
V
Line Regulation 2
Vref2 (line)
15 V<Vcc<20 V
-
1
-
mV/V
Current Stability 2
∆ Vref2
Ik2 mA to 10 mA
-
5
20
mV
Output Sinking Current Capability 2
Isink2
-
15
25
-
mA
Temperature Stability 2
∆ Vref2
Ta=0 to 70
°C (Note 1)
-
13
17
mV
Gain Bandwidth 2
GBW2
GV=1 (Note 1)
-
1
-
MHz
POWER GOOD SECTION
Detecting UV Voltage
Vuv
Pin 7 (REM)=0V
1.22
1.26
1.30
V
Detecting V5 Voltage
Vin (V5)
Pin 7 (REM)=0V
4.1
4.3
4.5
V
Hysteresis Voltage 1
HY1
Pin 11 (UV): “L”
↔“H”
204080
mV
Hysteresis Voltage 2
HY2
Pin 10 (Topr): “L”
↔ “H”
0.2
0.7
-
V
High Threshold Voltage of Comp 9
Vth (H)
Pin 10 (Topr): “L”
↔ “H”
1.8
2.0
2.2
V
Noise margin of Vtopr
∆ Vtopr
Vtopr (max) - Vth (L)
2
4
-
V
Charging Current for PG Delay
Ichg
Pin 10 (Topr)=GND
-12
-18
-28
uA
Turn-On Delay Time for PG
Topr
Ctopr=2.2uF
100
250
500
msec
UV Input Pull Down Resistor
Ruv
-
-
20
-
kohm
PG Output Rising Time
Tr
C=0.1nF (Note 1)
-
1
-
usec
PG Output Falling Time
Tf
C=0.1nF (Note 1)
-
300
-
nsec
PG Output Saturation Voltage
Vsat (PG)
Isink=15 mA
-
0.3
0.4
V
PG Output Voltage at High Status
Vpgh
Isource=100 uA
4.2
-
5.25
V
DISABLE SECTION
Disable Saturation Voltage for V33
Vdis33
REM=2 V, Isink=10 mA
-
0.2
0.4
V
Disable Saturation Voltage for V5
Vdi5
REM=2 V, Isink=10 mA
-
0.2
0.4
V
Disable Saturation Voltage for V12
Vdis12
REM=2 V, Isink=10 mA
-
0.2
0.4
V
TOTAL STANDBY CURRENT
Supply Current Of Vcc
Icc
Vcc=18 V, REM=2V
-
5
10
mA


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