Rohm Breadcrumb

Rohm Productdetail

2.7-5.5V 1.2A 1ch Buck converter - BD9123MUV

ROHM's high efficiency step-down switching regulator BD9123MUV is a power supply designed to produce a low voltage including 0.85 to 1.2 volts from 5 / 3.3 volts power supply line. The output voltage can be set with the built-in selector. Offers high efficiency with our original pulse skip control technology and synchronous rectifier. Employs a current mode control system to provide faster transient response to sudden change in load.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BD9123MUV-E2
Status | Active
Package | VQFN016V3030
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

ch

1

Integrated FET / Controller

Integrated FET

Buck / Boost / Buck-Boost / Inverting

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

2.7

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

0.85

Vout1(Max.)[V]

1.2

Iout1(Max.)[A]

1.2

SW frequency(Max.)[MHz]

1.0

Light Load mode

Yes

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Features:

・Offers fast transient response with current mode PWM control system.
・Offers highly efficiency for all load range with synchronous rectifier (Pch / Nch FET) and SLLM™ (Simple Light Load Mode)
・Incorporates setup function of the output voltage (3bits)
・Incorporates PGOOD function.
・Incorporates soft-start function.
・Incorporates thermal protection ,ULVO function.
・Incorporates short-current protection circuit with time delay function.
・Incorporates shutdown function. Icc=0μA(Typ.)・High heat radiation small surface mount package : VQFN020V4040