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NCP431: Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator

Overview
Specifications
Packages
Applications
Datasheet: Programmable Precision References
Rev. 15 (470kB)
Product Overview
»信頼性データを表示する
»材料組成を表示
»製品変更通知 (1)
The NCP431 integrated circuits are three-terminal programmable shunt regulator diodes. They are a direct upgrade to the industry standard TL431A. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vref to 36 V using two external resistors. These devices exhibit a wide operating current range of 40 µA to 100 mA with a typical dynamic impedance of 0.22Ω. The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op amp circuitry. The 2.5 V reference makes it convenient to obtain a stable reference from 5.0 V logic supplies, and since the NCP431 operates as a shunt regulator, it can be used as either a positive or negative voltage reference. Low minimum operating current makes this device an ideal choise for secondary regulators in SMPS adapters with extremely low no-load consumption.

The NCP432 has exactly the same functionality and electrical specifications as the NCP431, but has an alternate pin configuration.
特長   利点
     
  • Low Minimum Operating Current: 40 uA, Typ @ 25C
 
  • Reduced power consumption
  • Voltage Reference Tolerance: 1%, Typ @ 25C
 
  • Accurate Reference Voltage
  • Programmable Output Voltage to 36 V
 
  • Allows for use in a broad range of applications
  • Low Dynamic Output Impedance, 0.22ohm Typical
 
  • High and stable gain even at very low cathode current operation
  • Temperature Compensated for Operation over Full Rated Operating
    Temperature Range
 
  • Accurate and reliable operation over the temperature range
  • Equivalent FullRange Temperature Coefficient of 50 ppm/C
    Typical
 
  • Accurate reference across temperature
  • NCP431 is pin compatible to the TL432
 
  • Easily upgrade performance with no board level change
  • NCP432 is pin compatible to the TL431
 
  • Alternate pin configuration
アプリケーション   最終製品
  • Switchmode Power Supplies
  • Instrumentation
 
  • Adapters
  • Flat TVs
評価/開発ツール情報
製品 状態 Compliance 簡単な説明 アクション
NCP12510B65GEVB Intro Pending
Pb-free
65 W notebook adapter Evaluation Board
NCP1340UHDGEVB Active
Pb-free
High-Voltage, Quasi-Resonant Controller Featuring Valley Lock-Out Switching Evaluation Board
NCP1399AIOGEVB Active
Pb-free
240W All-in-One PC Power Supply Evaluation Board
POE-GEVB Active
Pb-free
Power over Ethernet (PoE) Shield Evaluation Board
Mouser (2017-02-27) : 2
供給状況 & サンプル
製品
状態
Compliance
内容
外形
MSL*
梱包形態
予算 価格/Unit
タイプ
Case Outline
タイプ
数量
NCP431ACDR2G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C SOIC-8 751-07 1 Tape and Reel 2500 $0.1408
NCP431ACLPRAG Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C TO-92 29-11 NA Tape and Reel 2000 Contact Sales Office
NCP431ACSNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C SOT-23-3 318-08 1 Tape and Reel 3000 $0.1067
NCP431AIDR2G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 85°C SOIC-8 751-07 1 Tape and Reel 2500 Contact Sales Office
NCP431AILPRAG Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 85°C TO-92 29-11 NA Tape and Reel 2000 $0.1467
NCP431AISNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, ?40�C to 85�C SOT-23-3 318-08 1 Tape and Reel 3000 $0.1267
NCP431AVDR2G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 125°C SOIC-8 751-07 1 Tape and Reel 2500 Contact Sales Office
NCP431AVLPG Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator TO-92 29-11 NA Bulk Bag 2000 Contact Sales Office
NCP431AVLPRAG Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 125°C TO-92 29-11 NA Tape and Reel 2000 Contact Sales Office
NCP431AVSNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.1467
NCP431BCSNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C SOT-23-3 318-08 1 Tape and Reel 3000 Contact Sales Office
NCP431BISNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 85°C SOT-23-3 318-08 1 Tape and Reel 3000 $0.1636
NCP431BVSNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 125°C SOT-23-3 318-08 1 Tape and Reel 3000 Contact Sales Office
NCP432BCSNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.112
NCP432BISNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.1368
NCP432BVSNT1G Active
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.16
SC431AVSNT1G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.2133
SC431BVSNT1G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.22
SC432BVSNT1G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator SOT-23-3 318-08 1 Tape and Reel 3000 $0.22
面実装デバイスためのモイスチャー・レベル(260°Cリフローでの鉛フリー測定、235°Cリフローでの鉛フリー以外測定)
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:23 MST 2017) : 93
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 7,500
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:23 MST 2017) : 1870
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 22,000
マーケットリードタイム(週) : 8 to 12
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >10K
マーケットリードタイム(週) : 17 to 20
Arrow   (Tue Feb 28 07:16:23 MST 2017) : 92
Mouser   (2017-02-27) : >1K
マーケットリードタイム(週) : Contact Factory
Arrow   (Tue Feb 28 07:16:23 MST 2017) : 16000
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 4,000
マーケットリードタイム(週) : 8 to 12
Arrow   (Tue Feb 28 07:16:23 MST 2017) : 3640
Avnet   (2017-02-27) : >100K
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >1K
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:23 MST 2017) : 89
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 10,000
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 97
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 10,000
マーケットリードタイム(週) : 2 to 4
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 22,000
マーケットリードタイム(週) : 8 to 12
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 3000
Avnet   (2017-02-27) : >10K
Chip1Stop   (2017-02-27) : >1K
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >1K
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 90
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 15,000
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 93
Digikey   (2017-02-27) : <1K
Mouser   (2017-02-27) : >1K
マーケットリードタイム(週) : 4 to 8
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 3800
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >1K
マーケットリードタイム(週) : 2 to 4
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 91
Mouser   (2017-02-27) : >1K
ON Semiconductor   (2017-02-25) : 93,000
マーケットリードタイム(週) : 8 to 12
Arrow   (Tue Feb 28 07:16:24 MST 2017) : 2700
Mouser   (2017-02-27) : >10K
マーケットリードタイム(週) : 8 to 12
Arrow   (Tue Feb 28 07:16:25 MST 2017) : 94
Digikey   (2017-02-27) : <1K
マーケットリードタイム(週) : 8 to 12
Arrow   (Tue Feb 28 07:16:25 MST 2017) : 2800
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >1K
マーケットリードタイム(週) : 2 to 4
ON Semiconductor   (2017-02-25) : 39,000
マーケットリードタイム(週) : 8 to 12
Datasheet: Programmable Precision References
Rev. 15 (470kB)
Product Overview
»信頼性データを表示する
»材料組成を表示
»製品変更通知 (1)

Product Compliance Status Description Type V(BR) Typ (V) Tolerance (%) IQ Typ (mA) IR Min (mA) VF Max (V) TA Min (°C) TA Max (°C) Package Type
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C 
Adjustable
2.5
1
0.04
0.04
36
0
70
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C 
Adjustable
2.5
1
0.04
0.04
36
0
70
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C 
Adjustable
2.5
1
0.04
0.04
36
0
70
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 85°C 
Adjustable
2.5
1
0.04
0.04
36
-40
85
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 85°C 
Adjustable
2.5
1
0.04
0.04
36
-40
85
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, ?40�C to 85�C 
Adjustable
2.5
1
0.04
0.04
36
-40
85
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 125°C 
Adjustable
2.5
1
0.04
0.04
36
-40
125
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
1
0.04
0.04
36
-40
125
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 125°C 
Adjustable
2.5
1
0.04
0.04
36
-40
125
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
1
0.04
0.04
36
-40
125
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, 0°C to 70°C 
Adjustable
2.5
0.5
0.04
0.04
36
0
70
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 85°C 
Adjustable
2.5
0.5
0.04
0.04
36
-40
85
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator, −40°C to 125°C 
Adjustable
2.5
0.5
0.04
0.04
36
-40
125
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
0.5
0.04
0.04
36
0
70
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
0.5
0.04
0.04
36
-40
85
SOT-23-3
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
0.5
0.04
0.04
36
-40
125
SOT-23-3
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
1
0.04
0.04
36
-40
125
SOT-23-3
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
0.5
0.04
0.04
36
-40
125
SOT-23-3
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator 
Adjustable
2.5
0.5
0.04
0.04
36
-40
125
SOT-23-3
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