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AS23xx
Secondary Side Housekeeping Circuit
ASTEC Semiconductor
96
Electrical Characteristics
(cont’d)
Electrical Characteristics are guaranteed over full junction temperature range (0 to 105
°
C). Ambient temperature must be derated
based on power dissipation and package thermal characteristics. Unless otherwise specified, the conditions of test are V
CC
= 12 V;
+3.3 V = 3.3 V; +5 V = 5V; +12 V = 12 V; –12 V = –12 V; –5 V = –5 V.
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
–5 V (Not available on AS2333)
–5 V Undervoltage
UV
–3.80
–4.00
–4.20
V
–5 V Overvoltage
OV
–6.00
–6.25
–6.55
V
–5 V Input Current
I
B
V
-5
=-5.0V
–80
–150
μ
A
–5 V Disable Voltage
V
D
Minimum voltage to disable
2.3
2.4
V
–12 V
–12 V Undervoltage
UV
–9.20
–9.55
–9.80
V
–12 V Overvoltage
OV
–14.55
–15.04
–15.60
V
–12 V Input Current
I
B
V
-12
=-12.0V
–100
–200
μ
A
–12 V Disable Voltage
V
D
Minimum voltage to disable
2.0
2.2
V
AC/HYST
AC Undervoltage
UV
T
J
= 25
°
C
2.460
2.520
2.540
V
AC Input Current
I
B
–0.5
–1
μ
A
HYST High State Leakage
I
L
V
HYST
= 5 V; AC > 2.5 V
0.01
1
μ
A
HYST Output Current
I
OL
V
HYST
= 0.3 V; AC < 2.5 V
1
3
mA
HYST Low Voltage
V
OL
I
HYST
= 1 mA; AC < 2.5 V
0.3
V
Outputs
POK High State Leakage
I
L
V
POK
= 12 V; no faults
100
200
μ
A
POK Output Current
I
OL
V
POK
= 0.4 V; V
CC
= 7 V undervoltage
condition
5
10
mA
FAULT High State Leakage
I
L
V
FAULT
= 12 V; OFF = High
0.01
1
μ
A
FAULT Output Current
V
OL
V
FAULT
= 0.4 V; no faults
V
CC
= 12 V
V
CC
= 5 V
3
10
4
mA
mA
1.3
CBD (Crow Bar Drive)
Minimum Output Current
I
OH
overvoltage condition
–25
–35
mA
CBD Output High Voltage
V
OH
I
CBD
= 0 mA; T = 25
°
C
I
CBD
= 0 mA; T = 105
°
C; overvoltage
condition
2.0
1.4
2.5
3.0
3.3
V
V
CBD Pulldown Resistance
R
OUT
I
CBD
= 1 mA; no faults
300
500
1000
1000