BD3540NUV
500mA Variable Output, High-Accuracy LDO Regulator

BD354XNUV ultra low-dropout linear chipset regulator operates from a very low input supply, and offers ideal performance in low input voltage to low output voltage applications. It incorporates a built-in N-MOSFET power transistor to minimize the input-to-output voltage differential to the ON resistance (RON MAX=400mO) level. By lowering the dropout voltage in this way, the regulator realizes high current output (Iomax=0.5A) with reduced conversion loss, and thereby obviates the switching regulator and its power transistor, choke coil, and rectifier diode. Thus, BD354XNUV are designed to enable significant package profile downsizing and cost reduction. An external resistor allows the entire range of output voltage configurations between 0.65 and 2.7V, while the NRCS (soft start) function enables a controlled output voltage ramp-up, which can be programmed to whatever power supply sequence is required.

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Product Detail

 
Part Number | BD3540NUV-E2
Status | Recommended
Package | VSON010V3030
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Breakdown Voltage(Max.)[V]

6.0

ch

1

Vin(Min.)[V]

3.0

Vin(Max.)[V]

5.5

Vout (Typ.) [V]

0.65 to 2.7

Vin 2ch[V]

0.95 to Vcc-1

Vout Precision

±1.0

Iout(Max.)[A]

0.5

Circuit Current[mA]

0.7

Thermal Shut-down

Recover

Over Current Protection

Yes

Under Voltage Lock Out

Yes

Soft Start

Variable

Operating Temperature (Min.)[°C]

-10

Operating Temperature (Max.)[°C]

100

Package Size

3x3 (t=1)

Features:

・Internal high-precision reference voltage circuit (0.65V±1%)
・Built-in VCC under voltage lock out circuit
・NRCS (soft start) function reduces the magnitude of in-rush current
・Internal Nch MOSFET driver offers low ON resistance (400mΩ typ.)
・Built-in current limit circuit
・Built-in thermal shutdown (TSD) circuit
・Variable output (0.65 to 2.7V)
・Incorporates high-power VQFN010V3030 package : 3.0x3.0x0.9 (mm)
・Tracking function
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Design Resources

 

Tools

2D/3D/CAD

  • VSON010V3030 Footprint / Symbol