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PDF BU28TA2WHFV Data sheet ( Hoja de datos )

Número de pieza BU28TA2WHFV
Descripción High-speed Load Response FULL CMOS LDO Regulators
Fabricantes ROHM Semiconductor　
Logotipo ROHM Semiconductor Logotipo



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CMOS LDO Regulator Series for Portable Equipments
High-speed
Load Response
FULL CMOS LDO Regulators
BUTA2WNVX Series, BUTA2WHFV Series
No.09020EAT01
●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 X 1.6mm X0.6mm). It has
excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of 40 A.
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 F)
4) Low current consumption: 40 A
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.
Absolute maximum rating
Parameter
Symbol
Limits
Unit
Maximum applied power voltage
VMAX
-0.3 ~ +6.5
220*1
V
Power dissipation
Pd1 (SSON004X1216)
Pd2 410*2 (HVSOF5)
mW
mW
Maximum junction temperature
TjMAX
+125
°C
Operational temperature range
Topr
-40 ~ +85
°C
Storage temperature range
Tstg -55 ~ +125
°C
*1 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.
*2 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
Symbol
Limits
Input power supply voltage
VIN
2.5 ~ 5.5
Maximum output current
IMAX
200
Unit
V
mA
Recommended operating conditions
Parameter
Input capacitor
Output capacitor
Symbol
CIN
CO
Min. Typ. Max. Unit
Conditions
0.5*3 1.0 － μF A ceramic capacitor is recommended.
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
© 2009 ROHM Co., Ltd. All rights reserved.
1/27
2009.05 - Rev.B

1 page




BU28TA2WHFV pdf
BUTA2WNVX Series, BUTA2WHFV Series
Reference data BU15TA2WNVX / HFV (Ta=25ºC unless otherwise specified.)
Technical Note
www.DataSheet4U.com
1.8
1.5
1.2
0.9 IO=0uA
IO=100uA
0.6 IO=50mA
IO=200mA
0.3 Temp=25°C
VIN = STBY
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 5 Output Voltage
1.55
1.54 IO=0uA
1.53 IO=100uA
IO=50mA
1.52 IO=200mA
1.51
1.50
1.49
1.48
1.47 Temp=25°C
1.46 VIN = STBY
1.45
1.25 1.35 1.45 1.55 1.65 1.75 1.85 1.95 2.05 2.15 2.25
Vin Voltage (V)
Fig. 6 Line Regulation
100
80
60
40
Temp=-40°C
20
Temp=25°C
IO=0uA
Temp=85°C VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 7 Circuit Current IGND
140
120
100
80
60
Temp=-40°C
40 Temp=25°C
Temp=85°C
20 IO=200mA
VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 8 Circuit Current IGND
1.55
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
0
Temp=25°C
Temp=-40°C
Temp=85°C
VIN = 3.5V
STBY = 1.5V
0.05
0.1 0.15
Output Current (A)
0.2
Fig. 11 Load Regulation
10
8 Temp=85°C
Temp=25°C
6
Temp=-40°C
4
2
VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
STBY Voltage (V)
Fig. 9 STBY Input Current
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
0.00
VIN=5.5V
VIN=3.5V
VIN=2.5V
Temp=25°C
STBY = 1.5V
0.10
0.20
0.30
0.40
Output Current (A)
0.50
0.60
Fig. 12 OCP Threshold
120
110
100
90
80
70
60
50
40
0
Temp=85°C
Temp=25°C
Temp=-40°C
VIN = 3.5V
STBY = 1.5V
0.05 0.1 0.15
Output Current (A)
0.2
Fig. 10 IOUT - IGND
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
0
Temp=85°C
Temp=25°C
Temp=-40°C
0.5 1
STBY Voltage (V)
Fig. 13 STBY Threshold
1.5
1.55
1.54
1.53
1.52
1.51
1.50
1.49
1.48
VIN=3.5V
1.47 STBY=1.5V
1.46 Io=0.1mA
1.45
-40 -15 10 35 60 85
Temp (°C)
Fig. 14 VOUT vs. Temp
50.00
40.00
30.00
20.00
10.00
VIN=3.5V
STBY=1.5V
Io=0mA
0.00
-40 -15 10 35 60 85
Temp (°C)
Fig. 15 IGND vs. Temp
1.000
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
VIN=3.5V
STBY=0V
-0.100
-40 -15 10 35 60 85
Temp (°C)
Fig. 16 IGND vs. Temp (STBY)
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
5/27
2009.05 - Rev.B

5 Page





BU28TA2WHFV arduino
BUTA2WNVX Series, BUTA2WHFV Series
●Reference data BU25TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)
Technical Note
www.DataSheet4U.com
3.5
3.0
2.5
2.0 IO=0uA
IO=100uA
1.5 IO=50mA
IO=200mA
1.0
0.5 Temp.=25°C
VIN=STBY
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 63 Output Voltage
2.55
2.54
2.53 IO=0uA
IO=100uA
2.52 IO=50mA
2.51 IO=200mA
2.50
2.49
2.48
2.47
Temp.=25°C
2.46 VIN=STBY
2.45
2.4 2.5 2.6 2.7 2.8 2.9
3
Vin Voltage (V)
Fig. 64 Line Regulation
100
80
60
40
Temp.=-40°C
20
Temp.=25°C
IO=0uA
Temp.=85°C VIN=STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 65 Circuit Current IGND
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
Temp.=85°C
Temp.=25°C
Temp.=-40°C
VIN=0.98*VOUT
STBY=1.5V
0.05 0.1 0.15
Output Current (A)
Fig. 66 Dropout Voltage
0.2
2.55
2.54
Temp.=25°C
2.53
2.52
Temp.=85°C
2.51
2.50
2.49
2.48
2.47 Temp.=-40°C
2.46
VIN=3.5V
STBY=1.5V
2.45
0
0.05 0.1 0.15 0.2
Output Current (A)
Fig. 69 Load Regulation
10
8 Temp.=85°C
Temp.=25°C
6
Temp.=-40°C
4
2
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
STBY Voltage (V)
Fig. 67 STBY Input Current
3.00
2.50
2.00
1.50
1.00
0.50
0.00
0
VIN=5.5V
VIN=3.5V
VIN=3.0V
Temp.=25°C
STBY=1.5V
0.1 0.2 0.3 0.4
Output Current (A)
0.5
0.6
Fig. 70 OCP Threshold
120
110
100
90
80
70
60
50
40
0
Temp.=-40°C
Temp.=25°C
Temp.=85°C
0.05 0.1 0.15
Output Current (A)
0.2
Fig. 68 IOUT - IGND
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
0
Temp.=85°C
Temp.=25°C
Temp.=-40°C
0.5 1
STBY Voltage (V)
Fig. 71 STBY Threshold
1.5
2.55
2.54 VIN=3.5V
STBY=1.5V
2.53
Io=0.1mA
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
-40 -15 10 35 60 85
Temp. (°C)
Fig. 72 VOUT vs Temp
50.00
40.00
30.00
20.00
VIN=3.5V
STBY=1.5V
Io=0mA
10.00
0.00
-40
-15 10
35
Temp. (°C)
60
Fig. 73 IGND vs Temp
85
1.000
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
-0.100
-40
VIN=3.5V
STBY=0V
-15 10 35
Temp. (°C)
60
85
Fig. 74 IGND vs Temp (STBY)
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
11/27
2009.05 - Rev.B

11 Page







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