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TDA8939TH 데이터 시트보기 (PDF) - Philips Electronics
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TDA8939TH
Zero dead time Class-D 7.5 A power comparator
Philips Electronics
TDA8939TH Datasheet PDF : 21 Pages
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Philips Semiconductors
6. Block diagram
TDA8939
Zero dead time Class-D 7.5 A power comparator
3
V
DDA1
4
IN1P
2
IN1N
1
V
SSA1
5
POWERUP
TDA8939TH
7
DIAGN
Q
PROTECTION S
LATCH
R
6
ENABLE
CGND
8
10
V
DDA2
9
IN2P
11
IN2N
12
V
SSA2
24
sub
V
SSD
heatsink
Fig 1. Block diagram.
ZERO
DEAD TIME
CONTROL
DRIVER
HIGH
DRIVER
LOW
22
BOOT1
23
V
DDP1
21
OUT1
STAB
19
12 V
20
OTP temperature sensor
≥
OCP current protection
OVP overvoltage protection
UVP undervoltage protection
15
14
DRIVER
HIGH
ZERO
16
DEAD TIME
CONTROL
DRIVER
LOW
STAB1
V
SSP1
BOOT2
V
DDP2
OUT2
STAB
12 V
13
n.c.
18
STAB2
17
V
SSP2
001aaa624
9397 750 13023
Objective data sheet
Rev. 01 — 22 April 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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