HV9123 Supertex, Inc., HV9123 Datasheet - Page 3

• Manufacturer Part Number: HV9123
• Description: Switchmode PWM Controller
• Manufacturer: Supertex, Inc.

Electrical Characteristics
(Unless otherwise specified, V
Pre-regulator/Startup
Supply
Shutdown Logic
Output
Note:
1. Guaranteed by design. Not subject to production test.
Symbol Parameters
+V
+I
V
V
I
I
I
V
t
t
t
t
V
V
I
I
V
V
R
t
t
DD
Q
BIAS
SD
SW
RW
LW
IH
IL
R
F
TH
LOCK
DD
IL
IH
OH
OL
OUT
IN
IN
Input Voltage
Input Leakage Current
V
Undervoltage Lockout
Supply Current
Quiescent Supply Current
Nominal Bias Current
Operating Range
Shutdown Delay
Shutdown Pulse Width
RESET Pulse Width
Latching Pulse Width
Input Low Voltage
Input High Voltage
Input Current, Input Voltage High
Input Current, Input Voltage Low
Output High Voltage
Output Low Voltage
Output Resistance
Rise Time
Fall Time
DD
Pre-regulator Turn-off Threshold Voltage
1
1
1
DD
1
1
= 10V, +V
1
Pull Up
Pull Down
Pull Up
Pull Down
IN
= 48V, Discharge = -V
(continued)
V
V
DD
DD
Min
8.0
7.0
9.0
7.0
50
50
25
3
IN
-0.25
-0.3
= 0V, R
0.75
0.55
Typ
8.7
8.1
1.0
-25
8.0
BIAS
20
50
15
20
10
30
20
= 390KΩ, R
Max
13.5
450
100
9.4
8.9
1.3
2.0
5.0
-35
0.2
0.3
10
25
20
30
30
75
75
OSC
Unit
= 330KΩ,T
mA
mA
µA
µA
µA
µA
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
V
Ω
Ω
Conditions
I
V
I
C
Shutdown = -V
C
Shutdown and reset low
V
V
I
I
T
I
I
T
I
I
T
C
C
IN
PREREG
OUT
OUT
OUT
OUT
OUT
OUT
A
A
A
DD
L
L
IN
IN
L
L
A
< 10µA; V
< 75pF
= 500pF, V
= -55°C to 125°C
= -55°C to 125°C
= -55°C to 125°C
= 500pF
= 500pF
= 25°C.)
= V
= 0V
> 9.4V
= 10mA
= 10mA,
= -10mA
= -10mA,
= ±10mA
= ±10mA,
DD
= 10µA
HV9120/HV9123
CC
SENSE
IN
> 9.4V
= -V
IN