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參數資料
| 型號： | NCP1521 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | High Efficiency DC-DC Converters |
| 中文描述： | 高效率DC - DC轉換器 |
| 文件頁數： | 13/20頁 |
| 文件大小： | 1886K |
| 代理商： | NCP1521 |
Page 1
ON Semiconductor
NCP2820 Filter-Free Class D Audio Amp Improves System Efficiency
and Eliminates PCB Hot Spots in Audio Subsystems
100
Low Voltage Audio Amplifier Selector Guide
Audio Output/
Application
Class
Topology/
Features
Output
Power
PSSR
@ 217 Hz
Efficiency
THD+N
Turn-On
Time
(Typ)
Iq
(Typ)
Shut-Down
Current
(Typ)
Package(s)
Device
Mono Speaker —
Basic Telephone Operation &
Ployphonic Ringtones
AB
BTL
1 W+
-7 dB
6%
0.0%
85 ms
1.5 mA
10 nA
Micro8
Microbump-9
NCP2890
AB
BTL
1 W+
-7 dB
6%
0.0%
100 ms
1.5 mA
10 nA
Microbump-9
NCP2892A
AB
Differential
1 W+
-80 dB
6%
0.006%
10 ms
1.9 mA
0 nA
Microbump-9
DFN-10
NCP4894
Stereo Headphones —
MP Players, Bluetooth
Headsets
AB
Virtual Ground
No Output Cap
15 mW/Ch
-8 dB
6%
0.00%
85 ms
1.5 mA
10 nA
Micro10
NCP2809
AB
Differential
150 mW/Ch
-80 dB
6%
0.006%
10 ms
1.9 mA
0 nA
Microbump-9
DFN-10
NCP4894
Mono Speaker/Earpiece —
Low Cost Integrated Solution
AB
Single End/
Differential
1 W to
Speaker;
50 mW to
Earpiece
-70 dB
6%
SE 0.00%,
BTL 0.01%
10 ms
1.7 mA
0 nA
Microbump-9
NCP4896
Mono Speaker —
Handsfree Speaker Phone
D
Filterless,
Gain Select by
Resistors
.65 W
-65 dB
90%
0.05%
9 ms
. mA
00 nA
Microbump-9
DFN-8
NCP2820
D
Filterless,
Integrated Ext
Selectable Gain
6 or 1dB
.65 W
-65 dB
90%
0.05%
9 ms
.5 mA
500 nA
Microbump-9
NCP2821
Stereo Speakers —
Offer Stereo Sound Quality
to Play Video/Music-on-
Demand, MP
D
Filterless, Gain
Selection by
Resistor
W+
per Channel
-65 dB
90%
0.05%
9 ms
. mA
600 nA
Microbump-9
2x NCP2820
or NCP2821
Key Performance Characteristics
Wide Supply Range of . – 5.5 V
n
Superior >65 dB PSRR allows direct connection to the Battery
n
1 W to 8 W (BTL) Bridge Tied Load or .65 W to W BTL @ 5 V
Thermal overload protection circuitry
“Pop and click” noise protection circuit
20
30
40
50
60
70
80
90
100
0
0.2
0.4
D
o
C
P
out
(W)
V
p
= 5 V
R
L
= 8
NCP2820
Class AB
0
10
20
30
40
50
60
70
80
90
0
0.5
1.0
E
P
out
(W)
V
p
= 5 V
R
L
= 8
NCP2820
Class AB
0.6
0.8
1.0
1.2
1.4
Extend Battery Life over with 2X Efficiency
Improvement at 0.5 W Output Power
Keep Cool Across All Power Ranges
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1521ASNT1G | 功能描述:直流/直流開關轉換器 ANA LED DRIVER RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1521B | 制造商:ON 功能描述:1.5 MHz, 600 mA Step-Down DC-DC Converter |
| NCP1521BEVB | 功能描述:電源管理IC開發工具 NCP1521B ANA EVAL BOARD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| NCP1521BMUTBG | 功能描述:直流/直流開關轉換器 STEP DWN DCDC CNVRTR 1.5MHz 600mA RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1521BSNT1G | 功能描述:直流/直流開關轉換器 STEP DWN DCDC CNVRTR 1.5MHz 600mA RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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