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參數資料
| 型號： | NCP1400A |
| 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： | 15/20頁 |
| 文件大小： | 1886K |
| 代理商： | NCP1400A |
Page 15
ON Semiconductor
Biased Audio for the Highest Output Power from a
Single-Cell Lithium-Ion Battery
To maximize the power output of a linear audio amplifier in
portable applications, it is necessary to bias the amp at a
fixed voltage instead of operating directly from the battery.
0.0
0.5
1.0
1.5
2.0
2.5
2.5
3.0
3.5
4.0
V
CC
(V)
P
O
4.5
5.0
4
7
8
7
NCP2820 Output Power
versus Supply for THD+N <1%
CF2+
CF2-
470 nF
470 nF
Vout = 4.5 or 5.0 V
10
M
F
200 mA
1.0
M
F
CF1+
CF1+
CF1+
FSEL
VSEL
GND
NCP5603
EN
VIN
NCP2820
ON
OFF
DC-DC Converters
Device
Architecture
Current Capability
(Vout = 5 V, Vin = 3.6 V)
160 mA
Efficiency @ Current Load
(Vout = 5 V, Vin = 3.6 V)
75%
Package
NCP5603
Charge Pump
DFN-10, x mm
NCP1421
Inductive
500 mA
87%
Micro10, x 5 mm
NCP1422
Inductive
700 mA
88%
DFN-10, x mm
Lin1
Voice/MP3
Decoder
FM
Tuner
Lin2
Rin1
Rin2
Lout
Rout
Selection
Control
NLAS5223B
Single WQFN-10 Packages
Requiring 2.52 mm
2
of Board Space
Lin1
Voice/MP3
Decoder
FM
Tuner
Lin2
Rin1
Rin2
Lout
Rout
Selection
Control
NLAS5123B
Two DFN-6 Packages
Requiring 2.4 mm
2
of Board Space
0.75 mm
One WQFN-10
Package
Two DFN-6
Packages
1.40 mm
1.80 mm
10
1
3
5
6
1.20 mm
1.00 mm
0.75 mm
3
6
1
4
1.20 mm
1.00 mm
0.75 mm
3
6
1
4
Stereo Switching with SPDT Audio Switches
Key Performance Characteristics
Excellent Audio Fidelity - Very Low THD,
0.011% Typical
Wide 1.65 to 5.5 V Power Supply Range
Extended Temperature Capable
Low R
DS(on)
, Tight Channel Matching
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1400A-3.0EVM | 制造商:P&S 功能描述:100 mA, Fixed Frequency PWM Step-Up Micropower Switching |
| NCP1400A-5.0EVM | 制造商:P&S 功能描述:100 mA, Fixed Frequency PWM Step-Up Micropower Switching |
| NCP1400ASN19T1 | 功能描述:直流/直流開關轉換器 1.9V 100mA Boost PWM 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 |
| NCP1400ASN19T1G | 功能描述:直流/直流開關轉換器 1.9V 100mA Boost PWM Fixed Frequency 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 |
| NCP1400ASN22T1 | 功能描述:直流/直流開關轉換器 2.2V 100mA Boost PWM 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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