参数资料
型号: TDF8554J/N4
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
封装: PLASTIC, SOT725-1, 37 PIN
文件页数: 35/56页
文件大小: 597K
代理商: TDF8554J/N4
TDF8554J
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 31 August 2011
40 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
Regulator 2 microprocessor supply: pin REG2; IO = 5 mA unless otherwise specified
VO(reg)
regulator output voltage
0.5 mA
I
O 350 mA;
10 V
V
P 18 V
TDF8554J/N2
4.75
5.0
5.25
V
TDF8554J/N4
3.1
3.3
3.5
V
SVRR
supply voltage rejection ratio
fripple =120 Hz; Vripple = 2 V (p-p)
40
50
-
dB
Vdo
dropout voltage
VBUCAP = 4.75 V; IO = 200 mA
TDF8554J/N2
-
0.5
0.8
V
TDF8554J/N4
-
1.75
2.0
V
VBUCAP = 4.75 V; IO = 350 mA
TDF8554J/N2
-
0.5
1.3
V
TDF8554J/N4
-
0.75
2.7
V
IO
output current
VO 2.8 V
[5] 400
1000
-
mA
IOS
output short-circuit current
RL 0.5
[6] 160
300
-
mA
Line regulation
V
O
output voltage variation
10 V
V
P 18 V
-
3
50
mV
Load regulation
V
O
output voltage variation
0.5 mA
I
O 300 mA
-
100
mV
Regulator 3 mechanical digital supply: pin REG3; IO = 5 mA unless otherwise specified
VO(reg)
regulator output voltage
0.5 mA
I
O 300 mA;
10 V
V
P 18 V
3.1
3.3
3.5
V
SVRR
supply voltage rejection ratio
fripple =120 Hz; Vripple = 2 V (p-p)
50
65
-
dB
Vdo
dropout voltage
VP =4.75 V; IO =300 mA
[4] -1.45
1.65
V
IO
output current
VO 2.8 V
[5] 400
700
-
mA
IOS
output short-circuit current
RL 0.5
[6] 135
210
-
mA
Line regulation
V
O
output voltage variation
10 V
V
P 18 V
-
3
50
mV
Load regulation
V
O
output voltage variation
0.5 mA
I
O 300 mA
-
100
mV
Table 26.
Voltage regulator characteristics …continued
Refer to test circuit (see Figure 30) at Tamb =25 C; VP = 14.4 V; unless otherwise specified. Tested at Tamb =25 C;
guaranteed for Tj = 40 C to +150 C.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
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