BD3650FP-M
Automotive 300mA Fixed Output LDO Regulators

BD3650FP regulators feature a high 36V breakdown voltage and are suitable for use with onboard vehicle microcontrollers. With these devices, a ceramic capacitor can be selected at the output for stable operation, the output tolerance is within ±2% over the wide ambient temperature range (-40 to 125?), and the short circuit protection is folded-type to minimize generation of heat during malfunction. These devices are developed to offer most robust power-supply design under the harsh automotive environment. The BD3650FP provide ideal solutions to lower the current consumption as well as to simplify the use with battery direct-coupled systems.

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Product Detail

 
Part Number | BD3650FP-ME2
Status | Recommended
Package | TO252-3
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes
Functional Safety | FS supportive

Specifications:

Grade

Automotive

Breakdown Voltage(Max.)[V]

36.0

ch

1

Vin(Min.)[V]

5.6

Vin(Max.)[V]

30.0

Vout (Typ.) [V]

5

Vout Precision

±2.0%

Iout(Max.)[A]

0.3

Circuit Current[mA]

0.5

Thermal Shut-down

Yes

Over Current Protection

Yes

I/O Voltage Difference (Typ.)[V]

0.2(Io=0.2A)

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Features:

・Low-saturation voltage type P-channel DMOS output transistors
・Low-ESR ceramic capacitors can be used as output capacitors.
・Vcc power supply voltage=36 V
・Built-in overcurrent protection circuit and thermal shutdown circuit
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Design Resources

 

Technical Articles

Schematic Design & Verification

  • Basics of Linear Regulators
  • Linear Regulator Specifications
  • Reverse Voltage Protection
  • Power Source ON/OFF Characteristics for Linear Regulator
  • Simple Test Method for Estimating the Stability of Linear Regulators
  • Connecting LDOs in Parallel
  • Problem Situations: Power Supply Does Not Start
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Table of resistance for output voltage setting on linear regulator Ics
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
  • Usage of SPICE Macromodel (for LDO)
  • BAxxCC0 Series Circuit Using a Ceramic Output Capacitor
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Thermal Calculation for Linear Regulator
  • Thermal Resistance

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