HV9912NG-G 查看數據表（PDF） - Supertex Inc
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HV9912NG-G
Supertex Inc
HV9912NG-G Datasheet PDF : 12 Pages
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HV9912
Electrical Characteristics (cont.)
(Over recommended operating conditions. VIN = 24V, TA = 25°C, unless otherwise specified)
Sym Parameter
Min Typ Max Units Conditions
VCM
VO
Gm
VOFFSET
IBIAS
Input common-mode range
Output voltage range
Transconductance
Input offset voltage
Input bias current
# -0.3
# 0.7
450
-5.0
#-
-
3.0
V ---
-
6.75 V ---
550 650 µA/V ---
-
5.0 mV ---
0.5 1.0 nA ---
Oscillator
fOSC1
fOSC2
DMAX
VSYNCH
VSYNCL
IOUTSYNC
Oscillator frequency
Oscillator frequency
Maximum duty cycle
SYNC input high
SYNC input low
SYNC output current
* 99
106 118 kHz RT = 500kΩ
* 510 580 650 kHz RT = 96kΩ
- 87
-
93
% ---
- 2.0
-
-
V ---
--
-
0.8
V ---
--
18
-
µA ---
Output Short Circuit
GSC
VOMIN
TOFF
Gain for short circuit comparator
- 1.9 2.0
- 0.125 -
Minimum output voltage of the gain
stage
- 0.125 -
Propagation time for short circuit
detection
--
-
2.1
0.25
0.26
250
V ---
0OC < TA < +85OC, IREF = GND
V -40OC < TA < +125OC,
IREF = GND
PWMD = VDD, IREF = 400mA;
ns FDBK step from 0 to 900mV;
FAULT goes from high to low
TRISE,FAULT Fault output rise time
--
-
300 ns 330pF capacitor at FAULT pin
TFALL,FAULT Fault output fall time
-
-
300 ns 330pF capacitor at FAULT pin
TBLANK,SC Blanking time
- 480
-
900 ns ---
IHICCUP
Current source at COMP pin used
for hiccup mode protection
-
5.0
-
µA ---
Slope Compensation
ISLOPE Current sourced out of SC pin
*0
-
100 µA ---
GSLOPE Internal current mirror ratio
- 1.80 2.00 2.26
-
ISLOPE = 50µA ; RSC = 1.0kΩ
Notes:
(1) See Application Information for Minimum Input Voltage.
* The specifications which apply over the full operating temperature range at -40OC < TA < +125OC are guaranteed by design and characterization.
# Denotes specifications guaranteed by design.
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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