Mfr Part #:

MP20045DQ-LF-Z

The MP20045DQ-LF-Z is a positive adjustable linear voltage regulator from Monolithic Power Systems. It provides up to 2 A output current with over-current and over-temperature protection in a QFN-8 package.

✓ Total Stock: 9,483 pcs

$ Price Range: $0.28

MP20045DQ-LF-Z Available from 6 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	7,344 pcs On Request	7344 pcs	On Request	1	On Request	On Request	14+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,357 pcs On Request	1357 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	260 pcs On Request	260 pcs	On Request	1	On Request	On Request	1550+	On Request	On Request
Braun Electronic Components ✓ Non-Authorised Inventory information	211 pcs On Request	211 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
RAD ✓ Non-Authorised Inventory information	211 pcs On Request	211 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Rayichip ✓ Non-Authorised Inventory information	100 pcs On Request	100 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

MP20045DQ-LF-Z Description

Short technical summary and product information.

The MP20045DQ-LF-Z from Monolithic Power Systems is a positive adjustable linear voltage regulator. It is a single-regulator device with an adjustable output type and is rated for 2 A output current. The regulator includes over-current and over-temperature protection for safe operation in a variety of power management applications.

Typical electrical characteristics include a PSRR of 56 dB at 1 kHz, a maximum dropout voltage of 0.28 V at 1 A, and a quiescent current of 110 µA. The device operates over a temperature range of -40°C to 125°C.

The MP20045DQ-LF-Z is supplied in a QFN - 8 package with SMD/SMT mounting. Packaging is cut tape with a factory pack quantity of 5000 units.

MP20045DQ-LF-Z Quick Information

Product Type: Linear Voltage Regulator

Canonical Name: MP20045DQ-LF-Z Positive Adjustable Linear Regulator

Subcategory: Positive Adjustable Linear Regulator

MP20045DQ-LF-Z Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MP20045DQ-LF-Z Estimated Pricing

Qty	Low	High
1+	$0.28	$0.28

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

MP20045DQ-LF-Z Features

2 A output current capability.
Adjustable positive output voltage.
Over-current and over-temperature protection.
56 dB PSRR at 1 kHz.
Operates from -40°C to 125°C.

MP20045DQ-LF-Z Applications

Low noise power for RF circuits
High PSRR for audio applications
Powering sensor analog front ends
Battery-powered portable device regulation
Post-regulation for switching supplies

MP20045DQ-LF-Z FAQs

7 frequently asked questions generated from this part’s specifications.

What is the output current rating?

The output current is 2 A.

Can the output voltage be adjusted?

Yes, the output type is adjustable.

What protection features does this regulator have?

Over-current and over-temperature protection.

What package does the MP20045DQ-LF-Z use?

QFN - 8.

What is the operating temperature range?

-40°C to 125°C.

What is the PSRR at 1 kHz?

56 dB at 1 kHz.

What is the maximum dropout voltage?

0.28 V at 1 A.

Category	Voltage Regulators - Linear
Manufacturer Name	Monolithic Power Systems
Conflict Minerals	Unaffected
Control Features	Enable, Power Good
Current	110 µA
Mounting Style	SMD/SMT
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature	-40°C ~ 125°C
Output Configuration	Positive
Output Current	2 A
Output Type	Adjustable
PSRR	56 dB (1kHz)
Protection Features	Over Current, Over Temperature
SVHC Present	Not Present
Supplier Device Package	8-QFN (3x3)
Voltage	5 V
Voltage Dropout (Max)	0.28V @ 1A