參數(shù)資料
型號(hào): 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(zhuǎn)換器
文件頁(yè)數(shù): 15/20頁(yè)
文件大?。?/td> 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
相關(guān)PDF資料
PDF描述
NCP1422 High Efficiency DC-DC Converters
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NCP1510A High Efficiency DC-DC Converters
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