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PDF HT0440LG Data sheet ( Hoja de datos )
| Número de pieza | HT0440LG | |
| Descripción | Isolated MOSFET Driver | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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Supertex inc.
HT0440
Dual, High Voltage,
Isolated MOSFET Driver
Features
►►±400V input to output isolation
►►±700V isolation between outputs
►►No external voltage supply required
►►Dual isolated output drivers
►►Option of internal or external clock
Applications
►► Telecommunications
►►Modems
►►Solid state relays
►►High side switches
►►High end audio switches
►► Avionics
►► ATE
General Description
The Supertex HT0440 is a dual, high voltage, isolated
MOSFET driver utilizing Supertex’s proprietary HVCMOS®
technology. It is designed to drive discrete MOSFETs
configured as bidirectional or unidirectional switches. It
can drive N-channel MOSFETs as high-side switches up to
400V. The HT0440 generates two independent DC isolated
voltages to the outputs, VOUTA and VOUTB when logic inputs A
and B are at logic high.
The internal clock of the HT0440 can be disabled by
applying an external clock signal to the CLK pin. This allows
the power dissipation and AC characteristics to be tailored
to meet specific needs. The CLK pin should be connected
to ground when not in use. The HT0440 does not require
any external power supplies, the internal supply voltage is
supplied by either of the two logic inputs, A or B, when they
are at logic high.
For detailed circuit application information, please refer
to application note AN-D26.
Block Diagram
CLK
Isolation
Barrier
2
A1
B8
GND 7
Logic &
Internal
Clock
Driver A
Driver B
R
10R
R
4
+
VOUTA
3-
R
10R R
5+
6
VOUTB
-
R = 158kΩ ± 47%
Doc.# DSFP-HT0440
D040313
Supertex inc.
www.supertex.com
1 page  
HT0440
10-Lead DFN Package Outline (K6)
3.00x4.00mm body, 1.00mm height (max), 0.50mm pitch
10 D
D2 10
E E2
Note 1
(Index Area
D/2 x E/2)
1
Top View
A
A1
Side View
Pin #1 ID
R = 0.20
b e1
View B
Bottom View
Note 1
(Index Area
D/2 x E/2)
Note 3
θ
Seating
Plane
L1
Note 2
View B
L
Notes:
1. A Pin 1 identifier must be located in the index area indicated. The Pin 1 identifier can be: a molded mark/identifier; an embedded metal marker; or
a printed indicator.
2. Depending on the method of manufacturing, a maximum of 0.15mm pullback (L1) may be present.
3. The inner tip of the lead may be either rounded or square.
Symbol
A A1 b
D
MIN 0.80 0.00 0.18 2.95
Dimension
(mm)
NOM
0.90
0.02
0.25
3.00
MAX 1.00 0.05 0.30 3.05
Drawings not to scale.
Supertex Doc. #: DSPD-10DFNK63X4P050, Version A072611
D2
2.20
2.35
2.45
E
3.95
4.00
4.05
E2
2.50
2.65
2.75
e
0.50
BSC
L
0.30
0.40
0.50
L1
0.00
-
0.15
θ
0O
-
14O
Doc.# DSFP-HT0440
D040313
Supertex inc.
5 www.supertex.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HT0440LG.PDF ] | |
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