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LDK120C33R The LDK120C33R from STMicroelectronics is a linear voltage regulator providing a fixed 3.3V output at up to 200mA. It features a low quiescent current and operates over a wide temperature range.
Mfr Part #:

LDK120C33R

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The LDK120C33R from STMicroelectronics is a linear voltage regulator providing a fixed 3.3V output at up to 200mA. It features a low quiescent current and operates over a wide temperature range.
✓ Total Stock: 319,946 pcs
$ Price Range: $0.28

LDK120C33R Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
258,286 pcs
On Request
258286 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
45,000 pcs
On Request
45000 pcs On Request 1 On Request On Request 1304+ On Request On Request
Fe Components ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
1,660 pcs
On Request
1660 pcs On Request 1 On Request On Request 21+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LDK120C33R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Lead Spacing
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDK120C33R Description

Short technical summary and product information.

The LDK120C33R is a linear voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable 3.3V output voltage with a maximum output current capability of 200mA. This device is suitable for applications requiring a fixed positive voltage supply.

 

Key electrical characteristics include a maximum input voltage of 5.5V and a typical quiescent current of 60 µA, making it power-efficient for battery-operated devices. The voltage dropout is minimal, specified at 0.3V at 200mA. It also offers a PSRR of 55dB over a frequency range of 120Hz to 10kHz, indicating good noise rejection.

 

For thermal performance, the LDK120C33R operates across a temperature range of -40°C to 125°C. It is available in a compact SOT-323-5 surface-mount package, facilitating integration into space-constrained designs. Protection features include over-current and over-temperature protection, enhancing device reliability.

LDK120C33R Quick Information

Product Type: Voltage Regulator - Linear
Canonical Name: LDK120C33R Voltage Regulator - Linear
Subcategory: Linear

LDK120C33R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LDK120C33R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LDK120C33R Features

  • Provides a fixed 3.3V output voltage.
  • Maximum output current of 200mA.
  • Low quiescent current of 60 µA.
  • Wide operating temperature range: -40°C to 125°C.
  • Surface mount SOT-323-5 package.

LDK120C33R Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Used in power management circuits.
  • General purpose voltage regulation.

LDK120C33R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDK120C33R?

The LDK120C33R provides a fixed output voltage of 3.3V.

What is the maximum output current of the LDK120C33R?

The maximum output current is 200mA.

What is the operating temperature range of the LDK120C33R?

The operating temperature range is -40°C to 125°C.

What package is the LDK120C33R available in?

The LDK120C33R is available in a 5-TSSOP, SC-70-5, SOT-353 surface-mount package.

What is the dropout voltage of the LDK120C33R at 200mA?

The maximum dropout voltage is 0.3V at 200mA output current.

What is the quiescent current of the LDK120C33R?

The typical quiescent current is 60µA.

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