BU90004GWZ
Step-down Switching regulators with Built-in Power MOSFET

The BU9000xGWZ series of compact, high-efficiency step-down switching regulators features high-frequency (6MHz) operation and supports a maximum output current of 1.0A (VIN=3.0 to 5.5V), making them ideal for battery-driven portable devices. In addition, automatic PWM/PFM mode and forced PWM mode switching is enabled via MODE pin logic. As a result circuit current is minimized during PFM mode, improving efficiency at light loads.

Data Sheet Buy * Sample *
* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

 
Part Number | BU90004GWZ-E2
Status | Recommended
Package | UCSP35L1
Packing Type | Taping
Unit Quantity | 3000
Minimum Package Quantity | 3000
RoHS | Yes

Specifications:

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

2.3

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

1.8

Vout1(Max.)[V]

1.8

Iout1(Max.)[A]

1

SW frequency(Max.)[MHz]

6

Light Load mode

Yes

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

0.4x0.4 (t=0.4)

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Features:

・Fast transient response
・Automatic PFM/PWM operation
・Forced PWM operation
・Internal Soft Start
・Under voltage lockout
・Over current protection
・Thermal shutdown

Reference Design / Application Evaluation Kit

 
    • Evaluation Board - BU90004GWZ-E2-EVK-101
    • This evaluation board has been specifically developed to evaluate the BU90004GWZ synchronous buck DC/DC converter with integrated 250mΩ high-side Pch and 220mΩ low-side Nch MOSFETs.

  • User's Guide
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