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BU10UA3WNVX-TL Schematic ( PDF Datasheet ) - ROHM Semiconductor

Teilenummer BU10UA3WNVX-TL
Beschreibung FULL CMOS LDO Regulator
Hersteller ROHM Semiconductor
Logo ROHM Semiconductor Logo 




Gesamt 14 Seiten
BU10UA3WNVX-TL Datasheet, Funktion
Datasheet
CMOS LDO Regulator Series for Portable Equipments
Versatile Package
FULL CMOS LDO Regulator
BUxxUA3WNVX series
General Description
BUxxUA3WNVX series is high-performance FULL
CMOS regulator with 300-mA output, which is mounted
on versatile package SSON004X1010 (1.00mm × 1.00
mm × 0.60mm). It has excellent noise characteristics and
load responsiveness characteristics despite its low circuit
current consumption of 50μA. It is most appropriate for
various applications such as power supplies for logic IC,
RF, and camera modules.ROHM’s.
Features
„ High accuracy detection
„ low current consumption
„ Compatible with small ceramic capacitor (Cin=Co=1.0uF)
„ With built-in output discharge circuit
„ High ripple rejection
„ ON/OFF control of output voltage
„ With built-in over current protection circuit
and thermal shutdown circuit
„ Low dropout voltage
Key Specifications
„ Output voltage:
„ Accuracy output voltage:
„ Low current consumption:
„ Operating temperature range:
1.0V to 3.7V
±1.0% (±25mV)
50μA
-40°C to +85°C
Applications
Battery-powered portable equipment, etc.
Package
SSON004X1010 :
1.00mm x 1.00mm x 0.60mm
Typical Application Circuit
STBY
VIN
STBY
VIN
VOUT
VOUT
GND
GND GND
Fig.1 Application Circuit
Product structure:Silicon monolithic integrated circuit This product is not designed protection against radioactive rays.
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/11
TSZ02201-0RBR0A300040-1-2
21.MAR.2013.Rev.003






BU10UA3WNVX-TL Datasheet, Funktion
BUxxUA3WNVX series
z Reference data BU18UA3WNVX (Ta=25ºC unless otherwise specified.)
Datasheet
70
60
50
40
30
20
10
0
-40
GROUND PIN CURRENT vs TEMPERATURE
Vout=1.8V
-20 0 Tempe2r0ature[℃]40 60 80
Fig. 9
100
90
80
70
60
50
40
30
20
10
0
2.3
SHUTDOWN CURRENT vs INPUT VOLTAGE
Vout=1.8V
85℃
25℃
-40℃
2.5 2.7 2.9 3.1 3.3 3.5
VIN[V]
Fig. 10
700
600
500
400
300
200
100
0
2.3
CURRENT LIMIT vs INPUT VOLTAGE
Vout=1.8V
85℃
25℃
-40℃
2.5 2.7 2.9 3.1 3.3 3.5
VIN[V]
Fig. 11
Trise=Tfall=1us
LOAD TRANSIENT RESPONSE
200mA
IOUT
0mA
VOUT
10µs/div
Fig. 13
Vout=1.8V
POWER-SUPPLY RIPPLE REJECTION vs FREQUENCY
100
90
10mA
80 150mA
70
60
50
40
30
20
10
0
10
100
1000
10000
100000
1000000
Frequency[Hz]
Fig. 12
LOAD TRANSIENT RESPONSE
Trise=Tfall=1us
IOUT
10mA
0mA
VOUT
10µs/div
Fig. 14
Vout=1.8V
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
6/11
TSZ02201-0RBR0A300040-1-2
21.MAR.2013.Rev.003

6 Page









BU10UA3WNVX-TL pdf, datenblatt
Datasheet
Notice
General Precaution
1) Before you use our Products, you are requested to carefully read this document and fully understand its contents.
ROHM shall not be in any way responsible or liable for failure, malfunction or accident arising from the use of any
ROHM’s Products against warning, caution or note contained in this document.
2) All information contained in this document is current as of the issuing date and subject to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the latest information with a ROHM sales
representative.
Precaution on using ROHM Products
1) Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment,
OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you
intend to use our Products in devices requiring extremely high reliability (such as medical equipment, transport
equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment including car
accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or
serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance.
Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any
damages, expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for Specific
Applications.
2) ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3) Our Products are designed and manufactured for use under standard conditions and not under any special or
extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s Products under any
special or extraordinary environments or conditions. If you intend to use our Products under any special or
extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of
product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
4) The Products are not subject to radiation-proof design.
5) Please verify and confirm characteristics of the final or mounted products in using the Products.
6) In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse) is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7) De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
8) Confirm that operation temperature is within the specified range described in the product specification.
9) ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Notice - Rev.004
© 2013 ROHM Co., Ltd. All rights reserved.

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