HV9112 Supertex, Inc., HV9112 Datasheet - Page 2

• Manufacturer Part Number: HV9112
• Description: High-voltage Current-mode Pwm Controller
• Manufacturer: Supertex, Inc.

Electrical Characteristics
(Unless otherwise specifi ed, V
Reference
Oscillator
PWM
Current Limit
Error Amplifi er
Notes:
I
PSRR
ΔV
#
(1) Stray capacitance on OSC In pin must be ≤5pF.
I
SOURCE
Sym
D
V
Z
SHORT
D
A
Z
I
f
f
V
V
GB
MAX
OSC
SINK
I
t
OUT
MAX
VOL
OUT
REF
-
-
MIN
IN
D
OS
FB
REF
Guaranteed by design. Not subject to production test.
Parameter
Output voltage
Output impedence
Short circuit current
Change in V
Oscillator frequency
Initial accuracy
Voltage stability
Temperature coeffi cient
Maximum duty cycle
Deadtime
Minimum duty cycle
Maximum pulse width before pulse
drops out
Maximum input signal
Delay to output
Feedback voltage
Input bias current
Input offset voltage
Open loop voltage gain
Unity gain bandwidth
Out impedance
Output source current
Output sink current
Power supply rejection
DD
REF
= 10V, +V
(1)
with temperature
IN
= 48V, Discharge = -V
#
#
#
#
#
#
#
#
#
#
#
-
-
-
-
-
-
-
-
-
-
-
-
-
-
IN
= 0V, R
3.88
49.0
3.92
0.12
Min
-1.4
160
1.0
1.0
1.0
15
80
60
BIAS
-
-
-
-
-
-
-
-
-
2
nulled during trim
= 390KΩ, R
see Fig. 1
see Fig. 2
4.00
0.25
49.4
4.00
0.15
Typ
-2.0
125
100
200
170
3.0
1.2
1.3
30
80
80
25
80
-
-
-
OSC
= 330KΩ, T
Max
4.12
49.6
4.08
250
120
240
125
120
500
1.4
45
15
0
-
-
-
-
-
-
-
-
A
= 25°C.)
ppm/°C
mV/°C
Units
MHz
MHz
KHz
mA
mA
KΩ
μA
dB
dB
nA
ns
ns
ns
%
%
%
Ω
V
V
V
-
Conditions
R
---
V
T
R
R
R
V
T
---
---
---
---
V
V
V
V
V
---
---
---
---
V
V
---
A
A
REF
SYNC
FB
SENSE
COMP
FB
FB
FB
FB
L
OSC
OSC
OSC
= -55°C to 125°C
= -55°C to 125°C
= 10MΩ
= 0V
shorted to comp
= 4.0V
= 3.4V
= 4.5V
= -V
= 1.0MΩ
= 330KΩ
= 150KΩ
= 0.1V
≤ 2.0V
= 1.5V,
IN
HV9112