DL

Integrated power MOSFET
Buck Switching Regulators
BD9Dxxx Series
Ver. 3
Supports 12V input rails
No phase compensation required
High-speed load response
DC/DC converters with built-in power MOSFET
Simplifies
design
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at all loads
No phase
compensation
required
HTSOP-J8
Power Conversion Efficiency
Lineup
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Fast load
response
Energy
saving
The BD9Dxxx series utilizes fixed ON time control for fast
load response characteristics. Both pin-compatible models
with/without Light Load Mode are offered for optimum compatibility.
In addition phase compensation is not required, simplifying design
while reducing the number of parts required.
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High-speed
operation
Input
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Max.
Output
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Light Load
Efficiency
\
90
Vo=5.0V
Vo=3.3V
85
Vo=1.8V
G318
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< [email protected]:@J5
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[email protected]:P*J:Q
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2*55>[email protected]>
! Operating Temp. Rangeā€ƒ2345678:6
! Fixed ON Time control
!No phase compensation required
! Supports output ceramic capacitors
! Synchronous rectification eliminates the need for external diode
!$%&'()*+01
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! Multiple protection functions
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Specifications
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the entire load range
:5
40
(5
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Conditions
VIN=12V
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BOOT
IN
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! Distributed power systems
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! Secondary power supplies
! Gaming equipment
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Application Circuit Diagram
Applications
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Enable
EN
SS
REG
GND
FB
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DC/DC
C Conve
Converter Series
Buck-Type Produc
ct Family
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Light Load Mode
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Internal FET
(Converter)
0==<=U=?G+##C
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Single Output
S
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Buck Type
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0==<=U=?G+##C
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Boost Type
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Type
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Output Current (A)
&CU
&=?;J
Type
&CU
External FET
Single Output
)5
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0==<=U=?G+##C
4.0
Dual Output
Max. Rating
0==<=U=?G+##C
)5
&'()*+01
Fast Transient Response
)5
&'()5+01
Ideal for Industrial Equipment
)5
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&'(5*013&
&'(5*01
(J5
0==<=U=?G+##C
&'&(55%
Ideal for Industrial Equipment
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Boost Type
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Type
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Ideal for Industrial Equipment
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0==<=U=?G+##C
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Dual Output
45
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45
45
4:
)4
Input Rail Voltage (V)
Buck Converter Product Family Diagram
Synchronous Rectification
Non-Synchronous Rectification
<#
Synchronous Rectification
Control Method
Control Method
%
%
Light Load Mode
GC===
Light Load Mode
None
Yes
Light Load Mode
No
Yes
No
BD9A100MUV
BD9E100FJ-LB
BD9B100MUV
BD9D320EFJ
6.0-42V,0.5A,1.5MHz
2.7-5.5V,1.0A,1MHz
7.0-36V,1.0A,1MHz
2.7-5.5V,1.0A,1M/2MHz
4.5-18V,3.0A,700kHz
BD9E151NUX
BD9A600MUV
BD9E101FJ-LB
BD9B600MUV
6.0-28V,1.2A,600kHz
2.7-5.5V,6.0A,1MHz
7.0-36V,1.0A,570kHz
2.7-5.5V,6.0A,1M/2MHz
BD9A101MUV-LB
BD9E300EFJ-LB
BD9D321EFJ
2.7-5.5V,1.0A,1MHz
7.0-36V,2.5A,1MHz
4.5-18V,3.0A,700kHz
BD9E102FJ
BD9E301EFJ-LB
7.0-26V,1.0A,570kHz
7.0-36V,2.5A,570kHz
BD9A301MUV-LB
BD9C301FJ/301FJ-LB
2.7-5.5V,3.0A,1MHz
4.5-18V,3.0A,500kHz
...
...
...
BD9G101G
BD9C601EFJ
4.5-18V,6.0A,500kHz
Non-Synchronous Rectification
%
Synchronous Rectification
%
Synchronous Rectification
GC===
The content specified in this document is correct as of February 1st, 2014.
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