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RT9187CGB The RICHTEK RT9187CGB is an adjustable linear low-dropout (LDO) voltage regulator. It provides a stable output voltage with a maximum output current of 400mA.
Mfr Part #:

RT9187CGB

Available from 3 distributors
Mfr Name: Richtek
Richtek
The RICHTEK RT9187CGB is an adjustable linear low-dropout (LDO) voltage regulator. It provides a stable output voltage with a maximum output current of 400mA.
✓ Total Stock: 30,696 pcs
$ Price Range: $0.28

RT9187CGB Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
17,000 pcs
On Request
17000 pcs On Request 1 On Request On Request 21+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,696 pcs
On Request
1696 pcs On Request 1 On Request On Request On Request 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.

RT9187CGB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
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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RT9187CGB Description

Short technical summary and product information.

The RICHTEK RT9187CGB is an adjustable linear voltage regulator designed for various power management applications. It offers a wide output voltage range and can supply up to 400mA of current. The device features over-current and over-temperature protection for enhanced reliability.

 

This LDO regulator is available in a compact SOT-23-5 package, suitable for surface mount applications. It operates within a temperature range of -40°C to 125°C, making it suitable for demanding environments. The adjustable output feature allows for flexible voltage setting, controlled via an enable pin.

 

Key electrical characteristics include a typical voltage dropout of 0.2V at 500mA and a PSRR of 60dB to 50dB across a frequency range of 100Hz to 10kHz. The RT9187CGB is designed for positive voltage output configurations.

 

Its small footprint and robust protection features make it a versatile choice for battery-powered devices, portable electronics, and other applications requiring efficient and reliable voltage regulation.

RT9187CGB Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: RICHTEK RT9187CGB Adjustable LDO Voltage Regulator
Subcategory: Linear

RT9187CGB Compliance

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

RT9187CGB Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

RT9187CGB Features

  • Adjustable output voltage from 1.2V to 4.8V.
  • Maximum output current of 400mA.
  • Low dropout voltage of 0.2V at 500mA.
  • Integrated over-current and over-temperature protection.
  • Compact SOT-23-5 surface mount package.

RT9187CGB Applications

  • Ideal for portable electronic devices.
  • Suitable for battery-powered applications.
  • Used in power management circuits.
  • Provides stable voltage regulation.

RT9187CGB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range?

-40°C to 125°C

What is the output voltage range?

Adjustable from 1.2V to 4.8V

What is the maximum output current?

400mA

What is the dropout voltage?

0.2V typical at 500mA

What protection features does it have?

Over current and over temperature protection

What is the package type?

SOT-23-5 (also SC-74A, SOT-753)

Does it have an enable pin?

Yes, it has an enable control feature.

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