HV9120PJ データシートの表示（PDF） - Supertex Inc
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HV9120PJ Datasheet PDF : 11 Pages
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HV9123
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 impedance
#
ISHORT Short circuit current
-
ΔVREF Change in VREF with temperature #
Oscillator
fMAX Oscillator frequency
-
-
fOSC Initial accuracy1
-
ΔVOSC Voltage stability
-
TCOSC Temperature coefficient
#
PWM
DMAX Maximum duty cycle
#
Deadtime
#
DMIN Minimum duty cycle
-
Maximum pulse width before
pulse drops out
#
Current Limit
VLIM Maximum input signal
-
tD
Delay to output
#
3.92
3.84
15
-
-
1.0
80
160
-
-
95
-
-
-
1.0
-
4.00
4.00
30
125
0.25
4.08
4.16
45
250
-
V
KΩ
μA
mV/°C
RL = 10MΩ
RL = 10MΩ, TA = -55 to 125OC
---
VREF = -VIN
TA = -55 to 125°C
3.0
-
MHz ROSC = 0Ω
100 120
200 240
KHz
ROSC = 330KΩ
ROSC = 150KΩ
-
15
%
9.5V < VDD < 13.5V
170
- ppm/°C TA = -55 to 125°C
97 99
225 -
-
0
80 125
% ---
ns ---
% ---
ns ---
1.2 1.4
80 120
V
VFB = 0V
ns
VSENSE = 1.5V, VCOMP ≤ 2.0V
Error Amplifier
VFB Feedback voltage
-
IIN
Input bias current
-
VOS Input offset voltage
-
AVOL Open loop voltage gain
#
GB Unity gain bandwidth
#
ZOUT Out impedance
#
ISOURCE Output source current
-
ISINK Output sink current
-
PSRR Power supply rejection
#
Notes:
# Guaranteed by design.
1. Stray capacitance on OSC In pin must be ≤5pF.
3.92 4.00 4.08
-
25 500
nulled during trim
60
80
-
1.0
1.3
-
see Fig. 1
-1.4
-2.0
-
0.12 0.15 -
see Fig. 2
V
nA
-
dB
MHz
Ω
mA
mA
dB
VFB shorted to COMP
VFB = 4.0V
---
---
---
---
VFB = 3.4V
VFB = 4.5V
---
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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