HV9112NG-G 데이터 시트보기 (PDF) - Supertex Inc
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HV9112NG-G Datasheet PDF : 8 Pages
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HV9112
Electrical Characteristics
(Unless otherwise specified, VDD = 10V, +VIN = 48V, Discharge = -VIN = 0V, RBIAS = 390KΩ, ROSC = 330KΩ, TA = 25°C.)
Sym Parameter
# Min
Typ Max Units
Conditions
Reference
VREF
Output voltage
ZOUT Output impedence
ISHORT Short circuit current
ΔVREF Change in VREF with temperature
Oscillator
fMAX
Oscillator frequency
fOSC
Initial accuracy(1)
-
-
PWM
DMAX
Voltage stability
Temperature coefficient
Maximum duty cycle
Deadtime
- 3.88
#
15
-
-
#
-
-
1.0
-
80
-
160
-
-
#
-
- 49.0
#
-
4.00
30
125
0.25
4.12
45
250
-
V
KΩ
μA
mV/°C
RL = 10MΩ
---
VREF = -VIN
TA = -55°C to 125°C
3.0
-
MHz ROSC = 1.0MΩ
100 120
200 240
KHz
ROSC = 330KΩ
ROSC = 150KΩ
-
15
%
VSYNC = 0.1V
170
- ppm/°C TA = -55°C to 125°C
49.4 49.6
-
-
% ---
ns ---
DMIN
Minimum duty cycle
-
-
Maximum pulse width before pulse
drops out
#
-
-
0
80 125
% ---
ns ---
Current Limit
Maximum input signal
tD
Delay to output
Error Amplifier
VFB
Feedback voltage
IIN
Input bias current
VOS
Input offset voltage
AVOL Open loop voltage gain
GB Unity gain bandwidth
-
1.0
#
-
1.2 1.4
80 120
V
VFB = 0V
ns
VSENSE = 1.5V,
VCOMP ≤ 2.0V
- 3.92
4.00 4.08
V
VFB shorted to comp
-
-
25 500
nA VFB = 4.0V
-
nulled during trim
-
---
#
60
80
-
dB ---
#
1.0
1.3
-
MHz ---
ZOUT
Out impedance
#
see Fig. 1
ISOURCE Output source current
-
-1.4
-2.0
-
ISINK
Output sink current
- 0.12
0.15
-
PSRR Power supply rejection
#
see Fig. 2
Notes:
# Guaranteed by design. Not subject to production test.
(1) Stray capacitance on OSC In pin must be ≤5pF.
Ω ---
mA VFB = 3.4V
mA VFB = 4.5V
dB ---
2
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