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參數資料
| 型號： | NCP1117DT285RK |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1.0 A Low-Dropout Positive Fixed and Adjustable Voltage Regulators |
| 中文描述： | 2.85 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PSSO2 |
| 封裝： | DPAK-3 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 144K |
| 代理商： | NCP1117DT285RK |
Semiconductor Components Industries, LLC, 2004
July, 2004 Rev. 11
1
Publication Order Number:
NCP1117/D
NCP1117, NCV1117
1.0 A LowDropout Positive
Fixed and Adjustable
Voltage Regulators
The NCP1117 series are low dropout positive voltage regulators that
are capable of providing an output current that is in excess of 1.0 A
with a maximum dropout voltage of 1.2 V at 800 mA over
temperature. This series contains eight fixed output voltages of 1.5 V,
1.8 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V that have no
minimum load requirement to maintain regulation. Also included is an
adjustable output version that can be programmed from 1.25 V to
18.8 V with two external resistors. On chip trimming adjusts the
reference/output voltage to within
±
1.0% accuracy. Internal protection
features consist of output current limiting, safe operating area
compensation, and thermal shutdown. The NCP1117 series can
operate with up to 20 V input. Devices are available in SOT223 and
DPAK packages.
Features
Output Current in Excess of 1.0 A
1.2 V Maximum Dropout Voltage at 800 mA Over Temperature
Fixed Output Voltages of 1.5 V, 1.8 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V,
5.0 V, and 12 V
Adjustable Output Voltage Option
No Minimum Load Requirement for Fixed Voltage Output Devices
Reference/Output Voltage Trimmed to
±
1.0%
Current Limit, Safe Operating and Thermal Shutdown Protection
Operation to 20 V Input
NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
PbFree Packages are Available
Applications
Consumer and Industrial Equipment Point of Regulation
Active SCSI Termination for 2.85 V Version
Switching Power Supply Post Regulation
Hard Drive Controllers
Battery Chargers
10
F
1
2
Output
10
F
3
Input
NCP1117
XTXX
+
+
Figure 1. Fixed
Output Regulator
10
F
1
2Output
10
F
3
Input
NCP1117
XTA
+
+
Figure 2. Adjustable
Output Regulator
22
F
1
2
10
F
3
NCP1117
XT285
+
+
110
110
110
110
4.75 V
to
5.25 V
+
18 to 27
Lines
Figure 3. Active SCSI Bus Terminator
TYPICAL APPLICATIONS
SOT223
ST SUFFIX
CASE 318H
1
3
DPAK
DT SUFFIX
CASE 369C
Pin: 1. Adjust/Ground
2. Output
3. Input
1
3
Heatsink tab is connected to Pin 2.
See detailed ordering and shipping information in the package
dimensions section on pages 11 and 12 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 13 of this data sheet.
DEVICE MARKING INFORMATION
1 2 3
123
Tab
Tab
(Top View)
(Top View)
http://onsemi.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1117DT285RKG | 功能描述:低壓差穩(wěn)壓器 - LDO 2.85V 1A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP1117DT33 | 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 1A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP1117DT33G | 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 1A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP1117DT33G | 制造商:ON Semiconductor 功能描述:Voltage Regulator IC |
| NCP1117DT33RK | 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 1A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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