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Termination Regulator for DDR-SDRAMs - BD3537F (New)

BD3537F is a termination regulator that complies with JEDEC requirements for DDR-SDRAM, This linear power supply uses a built-in N-channel MOSFET and high-speed OP-AMPS specially designed to provide excellent transient response. It has a sink/source current capability up to 1.8A and has a power supply bias requirement of 5.0V for driving the N-channel MOSFET. For BD3537F, ceramic capacitor can be used as output capacitor enabling significant package profile downsizing as the total regulator part.

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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
BD3537F-E2 Active SOP8 1500 1500 Taping Yes
 
Specifications:
Grade Standard
ch 1
Vin(Min.)[V] 4.75
Vin(Max.)[V] 5.25
Vin 2ch[V] 1.746 to 1.854
Iout(Max.)[A] 1.8
Circuit Current[mA] 1.0
Thermal Shut-down Yes
Under Voltage Lock Out Yes
Soft Start Yes
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 100
Features:
    • Incorporates a Push-Pull Power Supply for Termination (VTT)
    • Incorporates an Enabler
    • Incorporates an Undervoltage Lockout (UVLO)
    • Incorporates a Thermal Shutdown Protector (TSD)
    • Compatible with Dual Channel (DDR-II)
    • Incorporates Soft-start Function
 
ROHM Semiconductor reserves the right to change the specifications at any time.
 
Technical Data
Application Note

Thermal Resistance

Application Note

Basics of Linear Regulators

Application Note

Linear Regulator Specifications

Application Note

Reverse Voltage Protection

Application Note

Simple Test Method for Estimating the Stability of Linear Regulators