파트넘버.co.kr BD95500MUV 데이터시트 PDF


BD95500MUV 반도체 회로 부품 판매점

Switching Regulator with MOSFET



ROHM Semiconductor 로고
ROHM Semiconductor
BD95500MUV 데이터시트, 핀배열, 회로
www.DataSheet4U.com
High Performance Regulators for PCs
Switching Regulator
with MOSFET for DDR-SDRAM Cores
BD95500MUV
No.10030ECT21
Description
BD95500MUV is a switching regulator with high output current (up to 6A) which can achieve low output voltage
(0.7V to 5.0V) from a wide input voltage range (3V to 20V). High efficiency for the switching regulator can be realized by
utilizing an internal N-MOSFET power transistor. A new technology called H3RegTM is a Rohm proprietary control method to
realize ultra high transient response against load change. SLLM (Simple Light Load Mode) technology is also integrated to
improve efficiency in light load mode, providing high efficiency over a wide load range. For protection and ease of use, the
soft start function, variable frequency function, short circuit protection function with timer latch, over voltage protection
function, and power good function are all built in. This switching regulator is specially designed for sets of various kinds.
Features
1) Integrated low ON resistance N-MOSFET (TYP. 50m)
2) H3RegTM DC/DC converter controller
3) Adjustable Simple Light Load Mode (SLLM), and forced continuous mode
4) Thermal Shut Down (TSD), Under Voltage LockOut (UVLO), Adjustable Over Current Protection (OCP),
Over Voltage Protection (OVP), Short Circuit Protection(SCP) built-in
5) Soft start function to minimize rush current during startup
6) Adjustable switching frequency (f=200KHz1000KHz)
7) Built-in output discharge function
8) VQFN040V6060 Package
9) Tracking Function
10) Integrated boot strap diode
11) Power Good function
Applications
Mobile PC, Desktop PC, LCD-TV, Digital Components, etc
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/20
2010.05 - Rev.C


BD95500MUV 데이터시트, 핀배열, 회로
BD95500MUV
Technical Note
www.DataSheet4U.com
Maximum Absolute Ratings (Ta=25)
Parameter
Symbol
Ratings
Unit
Input Voltage 1
Input Voltage 2
Input Voltage 3
VCC
VDD
VIN
7 *1
7 *1
24 *1
V
V
V
BOOT Voltage
BOOT
30 V
BOOT-SW Voltage
BOOT-SW
7V
LG Voltage
LG
VDD
V
REF Voltage
REF
VCC
V
Output Voltage
VOUT/Is+/Is-
VCC
V
ILIM/SS/FS/MODE Voltage
ILIM/SS/FS/MODE
VCC
V
VREG Voltage
VREG
VCC
V
EN Input Voltage
EN
7V
Output Current (Average)
Power Dissipation 1
Power Dissipation 2
Power Dissipation 3
Power Dissipation 4
Isw
Pd1
Pd2
Pd3
Pd4
6
0.54 *2
1.00 *3
3.77 *4
4.66 *5
A
W
W
W
W
Operating Temperature Range
Topr
-10+100
Storage Temperature Range
Tstg
-55+150
Junction Temperature
Tjmax
+150
*1 Not to exceed Pd, ASO, and Tjmax=150.
*2 Reduced by 4.3mW for each increase in Ta of 1over 25(when don’t mounted on a heat radiation board )
*3 Reduced by 8.0mW for increase in Ta of 1over 25. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 1 layer.
(Copper foil area : 0mm2))
*4 Reduced by 30.1mW for increase in Ta of 1over 25. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 4 layers.
(1st and 4th copper foil area : 20.2mm2, 2nd and 3rd copper foil area : 5505mm2))
*5 Reduced by 37.3mW for increase in Ta of 1over 25. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 4 layers.
(All copper foil area : 5505mm2))
Operating Conditions (Ta=25)
Parameter
Symbol
Input Voltage 1
VCC
Input Voltage 2
VDD
Input Voltage 3
VIN
BOOT Voltage
BOOT
SW Voltage
SW
BOOT-SW Voltage
BOOT-SW
MODE Input Voltage
MODE
EN Input Voltage
EN
Output Adjustable Voltage
REF
Is Input Voltage
Is+/Is-
MIN ON Time
Tonmin
*This product should not be used in a radioactive environment.
Ratings
MIN MAX
4.5 5.5
4.5 5.5
3.0 20
4.5 25
-0.7 20
4.5 5.5
0 5.5
0 5.5
0.7 2.0
0.7 2.7
- 200
Unit
V
V
V
V
V
V
V
V
V
V
nsec
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
2/20
2010.05 - Rev.C




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BD95500MUV mosfet

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BD95500MUV

Switching Regulator with MOSFET - ROHM Semiconductor