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BD3506F_08

Description
Ultra Low Dropout Linear Regulators for PC Chipsets
File Size694KB,17 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
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BD3506F_08 Overview

Ultra Low Dropout Linear Regulators for PC Chipsets

TECHNICAL NOTE
High-performance Regulator IC Series for PCs
Ultra Low Dropout
Linear Regulators for PC Chipsets
BD3506F, BD3506EFV
Description
The BD3506F/EFV 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 (Ron = 120 mΩ/100 mΩ). 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/EFV 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.
Features
1) Built-in high-accuracy reference voltage circuit (0.65V±1%)
2) Built-in VCC low input maloperation prevention circuit (Vcc = 4.15V)
3) Reduced rush current by NRCS
4) Built-in ultra-low on-resistor (120/100 mΩ typ) Nch Power MOSFET (BD3506F/BD3506EFV)
5) Built-in current limiting circuit (2.5A min)
6) Built-in thermal shutdown circuit
7) Output variable type (0.65-2.5V)
8) Adoption of SOP8 package (BD3506F): 5.0 x 6.2 x 1.5 (mm)
9) Adoption of high power HTSSOP-B20 package (BD3506EFV): 5.0 x 6.4 x 1.0 (mm)
Applications
Mobile PC, desktop PC, LCD-TV, DVD, digital home appliances
●Line
up
Parameter
Ron
Output Current
Package
BD3506F
120mΩ
2.5A
SOP8
BD3506EFV
100mΩ
2.5A
HTSSOP-B20
Oct. 2008

BD3506F_08 Related Products

BD3506F_08 BD3506F BD3506EFV
Description Ultra Low Dropout Linear Regulators for PC Chipsets Ultra Low Dropout Linear Regulators for PC Chipsets Ultra Low Dropout Linear Regulators for PC Chipsets
Is it lead-free? - Lead free Lead free
Is it Rohs certified? - conform to conform to
Parts packaging code - SOIC TSSOP
package instruction - 5 X 6.20 MM, 1.50 MM HEIGHT, ROHS COMPLIANT, SOP-8 5 X 6.40 MM, 1 MM HEIGHT, ROHS COMPLIANT, HTSSOP-20
Contacts - 8 20
Reach Compliance Code - compli compli
ECCN code - EAR99 EAR99
Adjustability - ADJUSTABLE ADJUSTABLE
Maximum drop-back voltage 1 - 0.2 V 0.16 V
Maximum input voltage - 4.5 V 4.5 V
Minimum input voltage - 1.2 V 1.2 V
JESD-30 code - R-PDSO-G8 R-PDSO-G20
JESD-609 code - e2 e3/e2
length - 5 mm 6.5 mm
Maximum grid regulation rate (%/V) - 0.5 0.5
Maximum load regulation (%) - 1.5% 1.5%
Number of functions - 1 1
Output times - 1 1
Number of terminals - 8 20
Working temperatureTJ-Max - 150 °C 150 °C
Maximum operating temperature - 100 °C 100 °C
Minimum operating temperature - -10 °C -10 °C
Maximum output current 1 - 1 A 1 A
Maximum output voltage 1 - 2.5 V 2.5 V
Minimum output voltage 1 - 0.65 V 0.65 V
Nominal output voltage 1 - 1.2 V 1.2 V
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - SOP HVSSOP
Encapsulate equivalent code - SOP8,.25 TSSOP20,.25
Package shape - RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) - 260 260
Certification status - Not Qualified Not Qualified
Regulator type - FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height - 1.6 mm 1 mm
surface mount - YES YES
technology - CMOS CMOS
Terminal surface - Tin/Copper (Sn/Cu) TIN/TIN COPPER
Terminal form - GULL WING GULL WING
Terminal pitch - 1.27 mm 0.65 mm
Terminal location - DUAL DUAL
Maximum time at peak reflow temperature - 10 10
width - 4.4 mm 4.4 mm
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