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PDF BD9A101MUV-LB Data sheet ( Hoja de datos )
| Número de pieza | BD9A101MUV-LB | |
| Descripción | Single Synchronous Buck DC/DC Converter | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
2.7V to 5.5V Input, 1A Integrated MOSFET
Single Synchronous Buck DC/DC Converter
BD9A101MUV-LB
General Description
This is the product guarantees long time support in
Industrial market. BD9A101MUV-LB is a synchronous
buck switching regulator with built-in low on-resistance
power MOSFETs. It is capable of providing current up to
1A.The SLLMTM control provides excellent efficiency
characteristics in light-load conditions which make the
product ideal for equipment and devices that demand
minimal standby power consumption. The oscillating
frequency is high at 1MHz using a small value of
inductance. It is a current mode control DC/DC converter
and features high-speed transient response. Phase
compensation can also be set easily.
Key Specifications
Input Voltage Range:
2.7V to 5.5V
Output Voltage Range:
0.8V to VPVIN×0.7V
Average Output Current:
1A(Max)
Switching Frequency:
1MHz(Typ)
High-Side MOSFET On-Resistance: 60mΩ (Typ)
Low-Side MOSFET On-Resistance: 60mΩ (Typ)
Standby Current:
0μA (Typ)
Package
VQFN016V3030
W(Typ) x D(Typ) x H(Max)
3.00mm x 3.00mm x 1.00mm
Features
Long Time Support Product for Industrial Application
Synchronous Single DC/DC Converter.
SLLMTM (Simple Light Load Mode) Control.
Over Current Protection.
Short Circuit Protection.
Thermal Shutdown Protection.
Under Voltage Lockout Protection.
Adjustable Soft start Function.
Power Good Output.
VQFN016V3030 Package (Backside Heat
Dissipation)
VQFN016V3030
Applications
Industrial Equipment,
Step-Down Power Supply for DSPs,
FPGAs, Microprocessors, etc.
Storage Devices (HDDs/SSDs).
Printers, OA Equipment.
Distributed Power Supply, Secondary Power
Supply.
Typical Application Circuit
Figure 1. Application Circuit
〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays
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© 2014 ROHM Co., Ltd. All rights reserved.
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BD9A101MUV-LB
Datasheet
Absolute Maximum Ratings (Ta = 25°C)
Parameter
Symbol
Rating
Unit
Supply Voltage
VPVIN, VAVIN
-0.3 to +7
V
EN Voltage
VEN -0.3 to +7
V
MODE Voltage
VMODE
-0.3 to +7
V
PGD Voltage
VPGD
-0.3 to +7
V
Voltage from GND to BOOT
Voltage from SW to BOOT
VBOOT
⊿VBOOT
-0.3 to +14
-0.3 to +7
V
V
FB Voltage
VFB -0.3 to +7
V
ITH Voltage
VITH -0.3 to +7
V
SW Voltage
Allowable Power Dissipation(Note 1)
VSW -0.3 to VPVIN + 0.3
Pd 2.66
V
W
Maximum Junction Temperature
Tjmax
150
°C
Storage Temperature Range
Tstg -55 to 150
°C
(Note 1) When mounted on a 70mm x 70mm x 1.6mm 4-layer glass epoxy board (copper foil area: 70 mm x 70 mm)
Derate by 21.3mW when operating above 25C.
Caution1: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over
the absolute maximum ratings.
Caution2: Long-term reliability may be influenced when operated at or near the absolute maximum rating.
Recommended Operating Conditions
Parameter
Supply Voltage
Output Current(Note 2)
Output Voltage Range
Operating Junction Temperature Range
(Note 2) Pd,ASO should not be exceeded.
Symbol
VPVIN, VAVIN
IOUT
VRANGE
Tj
Min
2.7
-
0.8
-40
Typ Max Unit
- 5.5 V
- 1A
-
VPVIN×0.7
V
-
+125
°C
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© 2014 ROHM Co., Ltd. All rights reserved.
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BD9A101MUV-LB
Typical Performance Curves - continued
Datasheet
2.0
1.8
UP
1.6
1.4
1.2
DOWN
1.0
0.8
-40 -20 0
20 40 60 80 100 120
Tem perature[℃]
Figure 20. EN Threshold vs Temperature
7.0
EN = 5.0V
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
-40 -20 0
20 40 60 80 100 120
Tem perature[℃]
Figure 21. EN Input Current vs Temperature
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© 2014 ROHM Co., Ltd. All rights reserved.
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BD9A101MUV-LB.PDF ] | |
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