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PDF HT45B0C Data sheet ( Hoja de datos )
| Número de pieza | HT45B0C | |
| Descripción | MOSFET gate drivers | |
| Fabricantes | Holtek Semiconductor | |
| Logotipo |  |
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HT45B0C
MOSFET Gate Driver
Technical Document
· Tools Information
· FAQs
· Application Note
Features
· Three low side and high side MOSFET driver
· Low side drive supply range from 9V~20V with low
voltage protection
· High side driver output maximum voltage is 80V
· Input logic supply range from 4.5V~5.5V
· Low voltage protection function
· 24-pin SKDIP/SOP package
General Description
The devices are for power MOSFET gate drivers, which
interface directly to driver the power MOSFET. There
are three high side drivers and three low side drivers to
driver six N-channel power MOSFET.
The high side driver operates up to 80 Volts. The input
logic power is from VDD, so it can easy to interface with
microcontroller.
Block Diagram
VDD
ATL
30k9
V SS
V D D L o g ic
C ir c u it
30k9
ABL
L o w V o lta g e
P r o te c tio n
VDD
BTL
30k9
V SS
L o g ic
V D D C ir c u it
30k9
BBL
VDD
C TL
30k9
V SS
L o g ic
V D D C ir c u it
30k9
CBL
VDAT
H ig h S id e D r iv e r
Level
S h ifte r
D r iv e r
AT
VM
L o w S id e D r iv e r
VSAT
Level
S h ifte r
D r iv e r
AB
VDBT
H ig h S id e D r iv e r
VSS
Level
S h ifte r
D r iv e r
BT
VM
L o w S id e D r iv e r
VSBT
Level
S h ifte r
D r iv e r
BB
VDCT
H ig h S id e D r iv e r
VSS
Level
S h ifte r
D r iv e r
CT
VM
L o w S id e D r iv e r
VSCT
Level
S h ifte r
D r iv e r
CB
VSS
Rev. 1.00
1 December 21, 2006
1 page  
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HT45B0C
Functional Description
Input/Output Truth Table
The output of the device is according the input pin. The true table is as follow:
ATL, BTL, CTL ABL, BBL, CBL Low Voltage Protection
AT, BT, CT
01
N VSAT, VSBT, VSCT
00
N VSAT, VSBT, VSCT
11
N VDAT, VDBT, VDCT
10
N VSAT, VSBT, VSCT
¾¾
Y VSAT, VSBT, VSCT
(ATL, ABL), (BTL, BBL) and (CTL, CBL) Truth Table
AB, BB, CB
VSS, VSS, VSS
VM, VM, VM
VSS, VSS, VSS
VSS, VSS, VSS
VSS, VSS, VSS
Timing Diagrams
xT L
xB L
xT
xB
Note: x is A, B or C
Rev. 1.00
5 December 21, 2006
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HT45B0C.PDF ] | |
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