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參數(shù)資料
| 型號(hào)： | DPA423P |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.75 A SWITCHING REGULATOR, 425 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, MS-001AB, DIP-8 |
| 文件頁數(shù)： | 18/36頁 |
| 文件大?。?/td> | 705K |
| 代理商： | DPA423P |
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Rev. S 12/07
25
DPA422-426
www.powerint.com
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
See Figure 33
(Unless Otherwise Specied)
Min
Typ
Max
Units
Supply Voltage Characteristics
DRAIN Supply Voltage
See Note D
16
V
Shunt Regulator
Voltage
V
C(SHUNT)
I
C = (IC(skip) + IB)/2; TJ = 25 °C
5.6
5.85
6.0
V
Shunt Regulator
Temperature Drift
I
C = (IC(skip) + IB)/2
±50
PPM/°C
CONTROL Supply/
Discharge Current
I
CD1
Output
MOSFET Enabled
V
L = 0 V;
f
OSC = 400 kHz
DPA422
1.6
2.0
2.4
mA
DPA423
1.9
2.3
2.7
DPA424
2.6
3.0
3.4
DPA425
3.7
4.3
4.8
DPA426
4.8
5.4
6
I
CD2
Output MOSFET Disabled
V
L = 0 V; f
OSC = 400 kHz
0.4
0.73
1.2
NOTES:
For specications with negative values, a negative temperature coefcient corresponds to an increase in magnitude with increas-
ing temperature, and a positive temperature coefcient corresponds to a decrease in magnitude with increasing temperature.
For externally adjusted current limit values, please refer to Figure 35 (Current Limit vs. External Current Limit Resistance) in the
Typical Performance Characteristics section.
Breakdown voltage may be checked against minimum BV
DSS specication by ramping the DRAIN pin voltage up to but not
exceeding minimum BV
DSS.
It is possible to start up and operate DPA-Switch at DRAIN voltages well below 16 V. However, the CONTROL pin charging
current is reduced, which affects start-up time, auto-restart frequency, and auto-restart duty cycle. Refer to Figure 45, the
characteristic graph on CONTROL pin charge current (I
C) vs. DRAIN voltage for low voltage operation characteristics.
A.
B.
C.
D.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DPA423PN | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 13W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| DPA423P-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Highly Integrated DC-DC Converter ICs for Distributed Power Architectures |
| DPA423R | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 18W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| DPA423R-TL | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 18W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| DPA423SN | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 18W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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