KA3502 Datasheet, PDF (6/14 Pages) Fairchild Semiconductor – PC SMPS Supervisory IC

KA3502
Electrical Characteristics (Continued)
Parameter
Symbol
Condition
REFERENCE 2 SECTION
Reference Input Voltage 2
Line Regulation 2
Current Stability 2
Output Sinking Current Capability 2
Temperature Stability 2
Gain Bandwidth 2
POWER GOOD SECTION
Detecting UV Voltage
Vref2 IIk2=1 mA
Vref2 (line) 15 V<Vcc<20 V
∆ Vref2 Ik2 mA to 10 mA
Isink2
-
∆ Vref2 Ta=0 to 70°C (Note 1)
GBW2 GV=1 (Note 1)
Vuv
Pin 7 (REM)=0V
Detecting V5 Voltage
Hysteresis Voltage 1
Hysteresis Voltage 2
High Threshold Voltage of Comp 9
Noise margin of Vtopr
Charging Current for PG Delay
Vin (V5)
HY1
HY2
Vth (H)
∆ Vtopr
Ichg
Pin 7 (REM)=0V
Pin 11 (UV): “L”↔“H”
Pin 10 (Topr): “L”↔ “H”
Pin 10 (Topr): “L”↔ “H”
Vtopr (max) - Vth (L)
Pin 10 (Topr)=GND
Turn-On Delay Time for PG
Topr Ctopr=2.2uF
UV Input Pull Down Resistor
PG Output Rising Time
Ruv
-
Tr
C=0.1nF (Note 1)
PG Output Falling Time
Tf
C=0.1nF (Note 1)
PG Output Saturation Voltage
PG Output Voltage at High Status
DISABLE SECTION
Vsat (PG) Isink=15 mA
Vpgh Isource=100 uA
Disable Saturation Voltage for V33
Disable Saturation Voltage for V5
Disable Saturation Voltage for V12
Vdis33
Vdi5
Vdis12
REM=2 V, Isink=10 mA
REM=2 V, Isink=10 mA
REM=2 V, Isink=10 mA
TOTAL STANDBY CURRENT
Supply Current Of Vcc
Icc
Vcc=18 V, REM=2V
Note:
1.These parameters, although guaranteed, but not 100% tested in production.
Min.
2.46
-
-
15
-
-
1.22
4.1
20
0.2
1.8
2
-12
100
-
-
-
-
4.2
-
-
-
-
Typ. Max. Unit
2.50 2.54 V
1
- mV/V
5
20 mV
25
-
mA
13
17 mV
1
-
MHz
1.26 1.30 V
4.3 4.5
V
40
80 mV
0.7
-
V
2.0 2.2
V
4
-
V
-18 -28 uA
250 500 msec
20
- kohm
1
-
usec
300
-
nsec
0.3 0.4
V
-
5.25
V
0.2 0.4
V
0.2 0.4
V
0.2 0.4
V
5
10 mA
6