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參數(shù)資料
| 型號： | TDA8939TH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Zero dead time Class-D 7.5 A power comparator |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | PLASTIC, SOT-566-3, HSOP-24 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大小： | 99K |
| 代理商： | TDA8939TH |
9397 750 13023
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Objective data sheet
Rev. 01 — 22 April 2004
4 of 21
Philips Semiconductors
TDA8939
Zero dead time Class-D 7.5 A power comparator
7.
Pinning information
7.1 Pinning
7.2 Pin description
Fig 2.
Pin configuration.
TDA8939
V
SSD
V
DDP1
BOOT1
V
SSA1
IN1N
V
DDA1
IN1P
OUT1
V
SSP1
STAB1
POWERUP
ENABLE
STAB2
DIAGN
V
SSP2
OUT2
CGND
IN2P
BOOT2
V
DDA2
IN2N
V
DDP2
n.c.
V
SSA2
001aaa625
24
23
22
21
20
19
18
17
16
15
14
13
11
12
9
10
7
8
5
6
3
4
1
2
Table 3:
Symbol
V
SSA1
IN1N
V
DDA1
IN1P
POWERUP
ENABLE
DIAGN
Pin description
Pin
1
2
3
4
5
6
7
Description
negative analog supply voltage for channel 1
inverting input channel 1
positive analog supply voltage for channel 1
non-inverting input channel 1
enable input for switching on internal reference sources
digital enable input
digital open-drain diagnostic output for OTP, OCP, OVP and UVP
(active LOW)
common ground, reference ground for diagnostic, enable and
power-up
non-inverting input channel 2
positive analog supply voltage for channel 2
inverting input channel 2
negative analog supply voltage for channel 2
not connected
positive power supply voltage for channel 2
bootstrap capacitor 2
PWM output channel 2
negative power supply voltage for channel 2
decoupling internal stabilizer for logic supply channel 2
CGND
8
IN2P
V
DDA2
IN2N
V
SSA2
n.c.
V
DDP2
BOOT2
OUT2
V
SSP2
STAB2
9
10
11
12
13
14
15
16
17
18
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