4.3-5.5V 2.5A 1ch LDO - BD3506F

The BD3506F is an ultra-low dropout linear regulator for chipset that can achieve ultra-low voltage input to ultra-low voltage output. By using N-MOS FET for built-in power transistor, the regulator can be used at ultra-low I / O voltage difference up to voltage difference generated by ON resistor (R_ON = 120 m?). Because by reducing the I / O voltage difference, large current (Iomax = 2.5A) output is achieved and conversion loss can be reduced, switching power supply can be replaced. BD3506F does not need any choke coil, diode for rectification and power transistor which are required for switching power supply, total cost of the set can be reduced and compact size can be achieved for the set. Using external resistors, optional output from 0.65V to 2.5V can be set. In addition, since voltage output start-up time can be adjusted by using the NRCS terminal, it is possible to meet the power supply sequence of the set.

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* This product is a STANDARD grade product and not recommend for on-vehicle devices.

Part number	Status	Package	Unit Quantity	Minimum Package Quantity	Packing Type	RoHS
BD3506F-E2	Active	SOP8	2500	2500	Taping	Yes

Specifications:

Grade	Standard
Breakdown Voltage(Max.)[V]	7.0
ch	1
Vin(Min.)[V]	4.3
Vin(Max.)[V]	5.5
Vin 2ch[V]	1.2 to Vcc-1
Vout (Typ.) [V]	0.65 to 2.5
Vout Precision	±1.0
Iout(Max.)[A]	2.5
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

Features:

・Built-in high-accuracy reference voltage circuit (0.65V±1%)
・Built-in VCC low input maloperation prevention circuit (Vcc = 4.15V)
・Reduced rush current by NRCS
・Built-in ultra-low on-resistor (120 mΩ typ) Nch Power MOSFET
・Built-in current limiting circuit (2.5A min)
・Built-in thermal shutdown circuit
・Output variable type (0.65-2.5V)
・Adoption of SOP8 package (BD3506F) : 5.0 x 6.2 x 1.5 (mm)

Supporting Links:

ROHM LDO Finder - You can see characteristic graph and compare the graph of regulators.

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