CMOS LDO Regulators for Portable Equipments
1ch 200mA
CMOS LDO Regulators
BUTA2WNVX series, BUTA2WHFV series
No.11020ECT01
●Description
BU□□TA2WNVX /HFV series is high-performance FULL CMOS regulator with 200-mA output, which is mounted on
microminiature package SSON004X1216 (1.2 mm 1.6 mm 0.6 mm) &HVSOF5(1.6mm 1.6mm 0.6mm). It has
excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of 40 µA.
It is most appropriate for various applications such as power supplies for logic IC, RF, and camera modules.
Microminiature package SSON004X1216 & HVSOF5 with built-in heatsink is adopted for the package, which contributes to
the space-saving design of the set.
●Features
1) High-accuracy output voltage of 1% (25 mV on 1.5-V & 1.8-V products)
2) High ripple rejection: 70 dB (Typ., 1 kHz, VOUT1.8 V))
3) Compatible with small ceramic capacitor (CIN=Co=1.0 µF)
4) Low current consumption: 40 µA
5) ON/OFF control of output voltage
6) With built-in overcurrent protection circuit and overheat protection circuit
7) With built-in output discharge circuit
8) Adopting microminiature power package SSON004X1216
●Applications
Battery-powered portable equipment, etc.
●Line up
■ 200 mA BU□□TA2WNVX / HFV series
Product Name
1.5
1.8
2.5
2.6
2.7
2.8 2.85 2.9
3.0
3.1
3.2
3.3
3.4
Package
BU□□TA2WNVX
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SSON004X1216
BU□□TA2WHFV
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HVSOF5
Model name: BH□□TA2W□□□
a
b
Symbol
Contents
Specification of output voltage
a
b
□□
Output voltage (V)
□□
Output voltage (V)
□□
Output voltage (V)
15
1.5V(Typ.)
28
2.8V(Typ.)
32
3.2V(Typ.)
18
1.8V(Typ.)
2J
2.85V(Typ.)
33
3.3V(Typ.)
25
2.5V(Typ.)
29
2.9V(Typ.)
34
3.4V(Typ.)
26
2.6V(Typ.)
30
3.0V(Typ.)
-
-
27
2.7V(Typ.)
31
3.1V(Typ.)
-
-
Package
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
NVX :SSON004X1216
HFV :HVSOF5
1/29
2011.01 - Rev.C
Technical Note
BUTA2WNVX series, BUTA2WHFV series
●Absolute maximum rating
Parameter
Symbol
Ratings
Maximum applied power voltage VMAX
-0.3 ~
Unit
+6.5
V
Pd1
220*1 (SSON004X1216)
Pd2
410*2 (HVSOF5)
Maximum junction temperature
TjMAX
+125
Operational temperature range
Topr
-40 ~
+85
℃
Storage temperature range
Tstg
-55 ~
+125
℃
Power dissipation
*1
*2
mW
℃
When 1 PCB (70 mm 70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented.
Reduced to 2.2 mW/C when used at Ta=25C or higher.
When 1 PCB (70 mm 70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented.
Reduced to 4.1 mW/C when used at Ta=25C or higher.
●Recommended operating range (Do not exceed Pd.)
Parameter
Input power supply voltage
Maximum output current
Symbol
Ratings
VIN
2.5 ~
IMAX
Unit
5.5
V
200
mA
●Recommended operating conditions
Parameter
Symbol
Ratings
Min.
Typ.
Max.
Unit
Conditions
Input capacitor
CIN
0.5*3
1.0
-
μF
A ceramic capacitor is
recommended.
Output capacitor
CO
0.5*3
1.0
-
μF
A ceramic capacitor is
recommended.
*3
Set the capacity value of the capacitor so that it does not fall below the minimum value, taking temperature characteristics,
DC device characteristics, and change with time into consideration.
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
2/29
2011.01 - Rev.C
Technical Note
BUTA2WNVX series, BUTA2WHFV series
●Electrical characteristics
(Unless otherwise specified
Parameter
Ta=25℃, VIN=VOUT+1.0 V (VIN=3.5 V on VOUT=1.8-V and1.5-V products),
STBY=1.5 V, CIN=1.0 µF, CO=1.0 µF)
Limits
Symbol
Unit
Conditions
Min.
Typ.
Max.
VOUT
×1.01
VOUT
×0.99
Output voltage
VOUT
-25 mV
Circuit current (at STBY)
VOUT
+25 mV
IOUT=10 μA, VOUT
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