Datasheet NCP431 (ON Semiconductor)
| Manufacturer | ON Semiconductor |
| Description | Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator |
| Pages / Page | 22 / 1 — DATA SHEET. www.onsemi.com. TO−92. LP SUFFIX. LPRA SUFFIX. CASE 29−10. … |
| File Format / Size | PDF / 711 Kb |
| Document Language | English |
DATA SHEET. www.onsemi.com. TO−92. LP SUFFIX. LPRA SUFFIX. CASE 29−10. SOIC−8 NB. D SUFFIX. CASE 751. Features. SOT−23. SN SUFFIX. CASE 318
Model Line for this Datasheet
Text Version of Document
link to page 14 link to page 14
DATA SHEET www.onsemi.com
Programmable Precision References NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series The NCP431/NCP432 integrated circuits are three−terminal Pin 1. Reference programmable shunt regulator diodes. These monolithic IC voltage 2. Anode 1 1 references operate as a low temperature coefficient zener which is 2 2 3 3. Cathode 3 programmable from Vref to 36 V using two external resistors. These STRAIGHT LEAD BENT LEAD devices exhibit a wide operating current range of 40 mA to 100 mA BULK PACK TAPE & REEL AMMO PACK with a typical dynamic impedance of 0.22 W. The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op
TO−92 TO−92 LP SUFFIX LPRA SUFFIX
amp circuitry. The 2.5 V reference makes it convenient to obtain a
CASE 29−10 CASE 29−10
stable reference from 5.0 V logic supplies, and since the NCP431/ NCP432 operates as a shunt regulator, it can be used as either a positive or negative voltage reference. Low minimum operating
SOIC−8 NB
8 current makes this device an ideal choice for secondary regulators in
D SUFFIX
SMPS adapters with extremely low no−load consumption. 1
CASE 751 Features
Cathode 1 Reference • Programmable Output Voltage to 36 V Anode Anode • Low Minimum Operating Current: 40 mA, Typ @ 25°C Anode Anode • Voltage Reference Tolerance: ±0.5%, Typ @ 25°C NC NC (NCP431B/NCP432B) (Top View) • Low Dynamic Output Impedance, 0.22 W Typical 3 • Sink Current Capability of 40 mA to 100 mA
SOT−23
•
SN SUFFIX
Equivalent Full−Range Temperature Coefficient of 50 ppm/°C 1
CASE 318
Typical 2 • Temperature Compensated for Operation over Full Rated Operating NCP431/SC431 NCP432/SC432 Temperature Range Pin 1. Reference Pin 1. Cathode • SC Prefix for Automotive and Other Applications Requiring Unique 2. Cathode 2. Reference Site and Control Change Requirements; AEC−Q100 Qualified and 3. Anode 3. Anode PPAP Capable • These are Pb−Free Devices
ORDERING AND MARKING INFORMATION Typical Applications
See detailed ordering and shipping information in the package • Voltage Adapters dimensions section on page 14 of this data sheet. • NOTE: Some of the devices on this data sheet have been Switching Power Supply
DISCONTINUED
. Please refer to the table on page 14. • Precision Voltage Reference • Charger • Instrumentation © Semiconductor Components Industries, LLC, 2011
1
Publication Order Number:
June, 2024 − Rev. 18 NCP431/D
DATA SHEET www.onsemi.com
Programmable Precision References NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series The NCP431/NCP432 integrated circuits are three−terminal Pin 1. Reference programmable shunt regulator diodes. These monolithic IC voltage 2. Anode 1 1 references operate as a low temperature coefficient zener which is 2 2 3 3. Cathode 3 programmable from Vref to 36 V using two external resistors. These STRAIGHT LEAD BENT LEAD devices exhibit a wide operating current range of 40 mA to 100 mA BULK PACK TAPE & REEL AMMO PACK with a typical dynamic impedance of 0.22 W. The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op
TO−92 TO−92 LP SUFFIX LPRA SUFFIX
amp circuitry. The 2.5 V reference makes it convenient to obtain a
CASE 29−10 CASE 29−10
stable reference from 5.0 V logic supplies, and since the NCP431/ NCP432 operates as a shunt regulator, it can be used as either a positive or negative voltage reference. Low minimum operating
SOIC−8 NB
8 current makes this device an ideal choice for secondary regulators in
D SUFFIX
SMPS adapters with extremely low no−load consumption. 1
CASE 751 Features
Cathode 1 Reference • Programmable Output Voltage to 36 V Anode Anode • Low Minimum Operating Current: 40 mA, Typ @ 25°C Anode Anode • Voltage Reference Tolerance: ±0.5%, Typ @ 25°C NC NC (NCP431B/NCP432B) (Top View) • Low Dynamic Output Impedance, 0.22 W Typical 3 • Sink Current Capability of 40 mA to 100 mA
SOT−23
•
SN SUFFIX
Equivalent Full−Range Temperature Coefficient of 50 ppm/°C 1
CASE 318
Typical 2 • Temperature Compensated for Operation over Full Rated Operating NCP431/SC431 NCP432/SC432 Temperature Range Pin 1. Reference Pin 1. Cathode • SC Prefix for Automotive and Other Applications Requiring Unique 2. Cathode 2. Reference Site and Control Change Requirements; AEC−Q100 Qualified and 3. Anode 3. Anode PPAP Capable • These are Pb−Free Devices
ORDERING AND MARKING INFORMATION Typical Applications
See detailed ordering and shipping information in the package • Voltage Adapters dimensions section on page 14 of this data sheet. • NOTE: Some of the devices on this data sheet have been Switching Power Supply
DISCONTINUED
. Please refer to the table on page 14. • Precision Voltage Reference • Charger • Instrumentation © Semiconductor Components Industries, LLC, 2011
1
Publication Order Number:
June, 2024 − Rev. 18 NCP431/D
