LDK320 High PSRR Voltage Regulators

STMicroelectronics LDK320 High PSRR Voltage Regulators are low drop voltage regulators with a maximum 200mA output current from a 2.5V to 18V input voltage range. The regulators have a typical dropout voltage of 100mV and are stabilized with a ceramic capacitor on the output. The LDK320 are ideal for low battery powered applications with a very good dynamic characteristic, combined with low drop voltage and low quiescent current. The enable logic control function allows the LDK320 to be in shutdown mode by consuming a total current lower than 1μA. This device also includes a short-circuit current limiting, thermal, and SOA protections.

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Description Datasheet Availability Pricing (THB) 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
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
206,751In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 5 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
61,068In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 Adjustable 200 mA 1 Output Positive 70 uA 2.5 V 18 V 58 dB Adjustable - 40 C + 125 C 100 mV LDK320 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
20,617In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-89-3 3.3 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
33,065In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 12 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
7,609In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-89-3 12 V 200 mA 1 Output Positive 60 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
6,857In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-89-3 5 V 200 mA 1 Output Positive 60 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
6,330In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 2.5 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
12,043In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.3 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
23,419In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-89-4 5 V 200 mA 1 Output Positive 200 nA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
15,427In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 Adjustable 200 mA 1 Output Positive 70 uA 2.5 V 18 V 58 dB Adjustable - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
13,759In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 5 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
994In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-89-3 3 V 200 mA 1 Output Positive 60 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
719In Stock
6,000Expected 3/30/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 100 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
798In Stock
12,000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.6 V 200 mA 1 Output Positive 60 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
2,330In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.8 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
4,049In Stock
6,000Expected 5/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.3 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
2,971In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V Fixed - 40 C + 125 C 100 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
1,713In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.5 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 3,000
Reel: 3,000

LDK320 Reel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 6,000
Mult.: 3,000
Reel: 3,000

SMD/SMT SOT-23-5 2.5 V 200 mA 1 Output 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel