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BH32M0AWHFV 데이터시트 PDF




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기능 1ch 300mA CMOS LDO Regulators
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BH32M0AWHFV 데이터시트, 핀배열, 회로
Datasheet
CMOS LDO Regulators for Portable Equipments
1ch 300mA
CMOS LDO Regulators
BHxxM0A series
General Description
BHxxM0A series are high-performance CMOS LDO
regulators with output current ability of up to 300mA. These
devices have excellent noise characteristics despite of
their low circuit current consumption of 65µA. They are
most appropriate for various applications such as power
supplies for logic IC, RF, and camera modules.
Features
„ High Output Voltage Accuracy: ±1 %
(±25mV on VOUT<2.5V products)
„ Dropout voltage: 60mV (IOUT=100mA)
„ Compatible with small ceramic capacitor
„ Output Voltage ON/OFF Control
„ Built-in Over Current Protection Circuit (OCP)
„ Built-in Thermal Shutdown Circuit (TSD)
„ Ultra-small power package:HVSOF6
Applications
„ Battery-driven portable devices
„ Other electronic devices using microcontrollers or
logic circuits
Key Specifications
„ Input Power Supply Voltage Range:
„ Output Current Range:
„ Operating Temperature Range:
„ Output Voltage Lineup:
„ Output Voltage Accuracy:
„ Circuit Current:
„ Standby Current:
2.5V to 5.5V
0 to 300mA
-40 to 85
1.5V to 3.4V
±1%
65μA (Typ.)
0μA (Typ.)
Package
HVSOF6
W(Typ.) x D(Typ.) x H(Max.)
1.60mm x 3.00mm x 0.75mm
Typical Application Circuit
Vin
Cin
On
Off
VIN VOUT
VOUT
BHxxM0A
STBY
GND
NOISE
Figure 1. Typical Application Circuit
Vout
Cout
Cn
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/10
TSZ02201-0RBR0A300070-1-2
21.Nov.2013 Rev.001




BH32M0AWHFV pdf, 반도체, 판매, 대치품
BHxxM0A series
Datasheet
Electrical characteristics
(Unless otherwise noted, Ta=25,VIN=VOUT+1.0V(*3),STBY=1.5V, Cin=1μF, Co=1μF, Cn=0.01μF.)
PARAMETER
Symbol
MIN.
Limit
TYP.
MAX.
UNIT
Conditions
REG
Output Voltage
Circuit Current
Circuit Current (STBY)
VOUT
IGND
ISTBY
VOUT
×0.99
VOUT
-25mV
-
-
VOUT
VOUT
65
-
VOUT
×1.01
VOUT
+25mV
95
1.0
IOUT=1mA, VOUT2.5V
V
IOUT=1mA, VOUT2.5V
μA IOUT=1mA
μA STBY=0V
Ripple Rejection Ratio
R.R.
- 60 -
dB VRR=-20dBv,fRR=1kHz,IOUT=10mA
Dropout Voltage
VSAT1
-
60 90
mV
VIN=0.98×VOUT,IOUT=100mA
VOUT2.5V
Line Regulation
VDL1
IOUT=1mA
- 2 20 mV VIN=VOUT+0.5V to 5.5V(*4)
Load Regulation 1
VDLO1
- 6 30 mV IOUT=1mA to 100mA
Load Regulation 2
VDLO2
- 18 90 mV IOUT=1mA to 300mA
Output Voltage
Temperature
VOUT/Ta - ±100 - ppm/IOUT=1mA,Ta=-40 to +85
OCP
Limit Current
Short Current
ILMAX
ISHORT
- 600 -
- 100 -
mA Vo=VOUT×0.85
mA Vo=0V
STBY
STBY Pull-down Resistor
STBY Control
Voltage
ON
OFF
(*3) VIN=3.5V for VOUT2.5V.
(*4) VIN=3.0V to 5.5V for VOUT2.5V.
RSTB
VSTBH
VSTBL
550 1100 2200
1.5 - VCC
-0.3 - 0.3
k
V
V
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/10
TSZ02201-0RBR0A300070-1-2
21.Nov.2013 Rev.001

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BH32M0AWHFV 전자부품, 판매, 대치품
BHxxM0A series
About input/output capacitor
It is recommended that an input capacitor is placed near pins
between the VCC pin and GND as well as an output capacitor
between the output pin and GND. The input is valid when the
power supply impedance is high or when the PCB trace has
significant length. For the output capacitor, the greater the
capacitance, the more stable the output will be depending on
the load and line voltage variations. However, please check the
actual functionality of this capacitor by mounting it on a board
for the actual application. Ceramic capacitors usually have
different, thermal and equivalent series resistance
characteristics, and may degrade gradually over continued
use.
For additional details, please check with the manufacturer,
and select the best ceramic capacitor for your application
Datasheet
Capacity value of ceramic capacitor - DC bias characteristics
(Example)
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
10-V withstand voltage
F characteristics
10-V withstand voltage
B1characteristics
GRM 188B11A105KA61D
10-V withstand voltage
B characteristics
6.3-V withstand voltage
B characteristics
10-V withstand voltage
F characteristics
4-V withstand voltage
X6S characteristics
0.5 1 1.5 2 2.5 3 3.5 4
DC Bias Voltage [V]
Figure 11. Capacity-bias characteristics
Equivalent Series Resistance (ESR) of a Ceramic Capacitor
Capacitors generally have ESR (equivalent series resistance) and it
operates stably in the ESR-IOUT area shown on the right. Since
ceramic capacitors, tantalum capacitors, electrolytic capacitors, etc.
generally have different ESR, please check the ESR of the capacitor to
be used and use it within the stability area range shown in the right
graph for evaluation of the actual application.
Cout=1.0μF,Cin=1.0μF,Temp=+25
100
10
1
Stable region
0.1
0.01
0
50 100 150 200 250
Output Current IOUT [mA]
300
Figure 12. Stable region (example)
Power Dissipation (Pd)
As for power dissipation, an estimate of heat reduction characteristics and internal power consumption of IC are shown, so
please use these for reference. Since power dissipation changes substantially depending on the implementation conditions
(board size, board thickness, metal wiring rate, number of layers and through holes, etc.), it is recommended to measure Pd
on a set board. Exceeding the power dissipation of IC may lead to deterioration of the original IC performance, such as
causing the operation of the thermal shutdown circuit or reduction in current capability. Therefore, be sure to prepare
sufficient margin within power dissipation for usage.
Calculation of the maximum internal power consumption of IC (PMAX)
PMAX=(VIN-VOUT)×IOMAX Where : VIN=Input voltage VOUT= Output voltage IOMAX: Maximum output current
0.8
0.7 0.68W
0.6
0.5
0.4
0.3
0.2
0.1
0
0 25
Standard ROHM
bo ard
50 75 85 100
Ta ()
125
* Please design the margin so that
PMAX becomes is than Pd (PMAX<Pd)
within the usage temperature range
Figure 13.HVSOF6 Power dissipation heat reduction characteristics (Reference)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/10
TSZ02201-0RBR0A300070-1-2
21.Nov.2013 Rev.001

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1ch 300mA CMOS LDO Regulators

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