RP173x Series Low Dropout Regulators

Nisshinbo RP173x Series Low Dropout Regulators are CMOS-based LDOs featuring a 150mA output and a low supply current of 2.0µA. The RP173x LDOs integrates a voltage reference unit, an error amplifier, a resistor-net for voltage setting, a current limit circuit, a chip enable circuit and a reverse current protection circuit. The A version of the RP173x includes a CE (chip enable) input pin with reduced CE pull-up resistance to make its supply current ultra-low.

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Description Datasheet Availability Pricing (IDR) 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
Input Voltage - Min
Input Voltage - Max
PSRR / Ripple Rejection - Typ
Output Type
Minimum Operating Temperature
Maximum Operating Temperature
Dropout Voltage
Series
Packaging
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
21.906In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 3.3 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
2.115In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 5 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 390 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
2.302In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 3 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
90In Stock
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 4.8 V 150 mA 1 Output Positive 2.5 V 11 V Fixed - 40 C + 85 C 390 mV RP173N Reel, Cut Tape
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
435In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 5 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 390 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
69In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 3.2 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
9.990In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 3 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
8.537In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 5 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 390 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
7.298In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 3.3 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
30.000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 2.5 V 150 mA 1 Output 2.5 V 9 V 30 dB Fixed - 40 C + 85 C 900 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
3.680In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 3 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
1.180In Stock
3.000Expected 21/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 3.3 V 150 mA 1 Output 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
3.180In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

SMD/SMT SOT-23-5 4.2 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 390 mV RP173N Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
99In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 2.1 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 1.16 V RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
99In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 3.1 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 610 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
85In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 4 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 390 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
69In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 4.8 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 390 mV RP173K Reel, Cut Tape, MouseReel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

DFN(PLP)1010-4 RP173K Reel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

SMD/SMT DFN(PLP)1010-4 1.2 V 150 mA 1 Output Positive 2.5 V 11 V Fixed - 40 C + 85 C 1.68 V RP173K Reel
Nisshinbo LDO Voltage Regulators LDO Regulator w/Rev Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 1.2 V 150 mA 1 Output 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 1.68 V RP173K Reel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

DFN(PLP)1010-4 RP173K Reel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 1.75 V 150 mA 1 Output 2.5 V 8.25 V 30 dB Fixed - 40 C + 85 C 1.48 V RP173K Reel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 1.8 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 1.16 V RP173K Reel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 1.8 V 150 mA 1 Output Positive 2.5 V 11 V 30 dB Fixed - 40 C + 85 C 1.16 V RP173K Reel
Nisshinbo LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10.000
Mult.: 10.000
Reel: 10.000

SMD/SMT DFN-PLP-1010-4 2 V 150 mA 1 Output 2.5 V 8.5 V 30 dB Fixed - 40 C + 85 C 1.16 V RP173K Reel