NCP161 High PSRR LDO Regulators

onsemis NCP161 High PSRR LDO Regulators are linear regulator capable of supplying 450mA output currents. The NCP161 are designed to meet the requirements of RF and analog circuits. The devices provide low noise, high PSRR, low quiescent current, and very good load/line transients. The device is designed to work with a 1µF input and a 1µF output ceramic capacitor. The NCP161 are available in two thickness ultrasmall 0.35P, 0.65x0.65mm Chip Scale Package (CSP) and XDFN-4 0.65P, 1x1mm.

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Description Datasheet Availability Pricing (AUD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Output Voltage
Output Current
Number of Outputs
Polarity
Quiescent Current
Input Voltage - Min
Input Voltage - Max
PSRR / Ripple Rejection - Typ
Output Type
Minimum Operating Temperature
Maximum Operating Temperature
Dropout Voltage
Series
Packaging
onsemi LDO Voltage Regulators 450MA CMOS LDO HZ
Datasheet
21,964In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT XDFN-4 3.3 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 150 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
18,823In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT WLCSP-4 1.8 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 300 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
22,809In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT WLCSP-4 3.3 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 150 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 1.8V
Datasheet
46,280In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.8 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 48 dB Fixed - 40 C + 125 C 365 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators 450 mA Active Discharge
Datasheet
4,997In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT XDFN-4 1.85 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 40 C + 125 C 290 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
8,797In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 3.5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 150 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE
Datasheet
9,873In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 2.5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 190 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE
Datasheet
7,316In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT XDFN-4 2.5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 190 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 5.0V
Datasheet
3,472In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 48 dB Fixed - 40 C + 125 C 105 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 2.5V
Datasheet
5,418In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 2.5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 48 dB Fixed - 40 C + 125 C 190 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 3.3V
Datasheet
16,410In Stock
11,950Expected 10/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.3 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 48 dB Fixed - 40 C + 125 C 225 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
9,002In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 1.8 V 450 mA 1 Output 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 300 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
3,895In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 2.5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 190 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
4,641In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 2.8 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 175 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
3,889In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 2.85 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 170 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
985In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 3 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 165 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE
Datasheet
4,539In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 3.2 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 40 C + 125 C 150 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
3,826In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 3.3 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 150 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
4,978In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 4.5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 120 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
3,288In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 5 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 105 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
5,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT WLCSP-4 5.14 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 40 C + 125 C 150 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
6,280In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT WLCSP-4 2.8 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 175 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS
Datasheet
9,997In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT WLCSP-4 3 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 165 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators 450MA ACTIVE DISCHARGE
Datasheet
2,320In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT XDFN-4 1.8 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 300 mV NCP161 Reel, Cut Tape, MouseReel
onsemi LDO Voltage Regulators 450MA ACTIVE DISCHARGE
Datasheet
534In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT XDFN-4 2.8 V 450 mA 1 Output Positive 18 uA 1.9 V 5.5 V 98 dB Fixed - 55 C + 150 C 175 mV NCP161 Reel, Cut Tape, MouseReel