HT19(2001) 查看數據表（PDF） - Supertex Inc
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HT19 Datasheet PDF : 3 Pages
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Electrical Characteristics
(Over operating supply voltages unless otherwise specified, TA = 0°C to +50°C)
Symbol
Parameter
Min Typ Max Unit
VTPG
ITPG
High voltage positive supply
Input leakage current
RSW
TPG to TP switch resistance
350
V
2.0
µA
200
18
ITPG-ITP
Bias current
ILIM
IHKS
ILS , IDP
IDP
VIL(HKS)
VIH(HKS)
VIL(LS),
VIL(DP)
VIH(LS),
VIH(DP)
TON
TOFF
ITPG current limiting
HKS input current
LS and DP logic input current
DP logic input current
HKS input low
HKS input high
Input logic low for DP/DP and LS
Input logic high for DP/DP and LS
Turn on time
Turn off time
18
Ω
30
50
µA
100
188 250 313
mA
200
µA
30
µA
-30
µA
0
0.2
V
2.0
VTPG
V
0
0.2
V
1.5
10
V
1.0
ms
1.0
ms
HT18/HT19
Conditions
ITPG = 500µA, HKS, LS,
DP/DP = open circuit
VTPG = 100V, HKS, LS,
DP/DP = open circuit
VTPG = 290V, HKS, LS,
DP/DP = open circuit
VTPG=17V, ITPG=180mA, SW= On
VTPG=3.0V, ITPG=20mA, SW= On
VTPG=2.0V, ITPG=5mA, SW= On
VTPG = 5.0V, SW = On
VTPG = 10V, SW = On
REXT = 158Ω ± 1%
VHKS = 40V to 70V
VLS = 3.0V, VDP = 3.0V
VDP = 0V
VTPG = 3.0V to 70V
VTPG = 3.0V to 70V
VTPG = 3.0V to 70V
VTPG = 3.0V to 70V
VTPG = 4.5V
VTPG = 4.5V
Truth Table
HKS
H
H
L or Z
L or Z
X
LS
L or Z
H
L or Z
H
X
Z = high impedance, open circuit
X = don’t care
L = logic level low
H = logic level high
DP
L or Z
L or Z
L or Z
L or Z
H
DP
H or Z
H or Z
H or Z
H or Z
L
Switch State
ON
ON
OFF
ON
OFF
2
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