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Número de pieza | BH6172GU | |
Descripción | System Regulator | |
Fabricantes | ROHM Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de BH6172GU (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
No Preview Available ! Power Management ICs for Mobile Phones
System Regulator
with High Efficiency DC/DC Converters
BH6172GU
No.11032EAT04
●Descriptions
BH6172GU incorporates 1 DCDC+ 5 Linear LDO regulators. It is integrated in a small 2.6mm×2.6mm size package, with 16
steps adjustable Vo’s for every channel, low voltage output (0.8V~) to support almost any kind of mobile application now
available.
●Features
1) 1ch 500mA, high efficiency Step-down Converter. (16 steps adjustable VO by I2C)
2) 5-channel CMOS-type LDOs. (16 steps adjustable VO by I2C, 150mA×3, 300mA×2)
3) Power ON/OFF control enabled by I2C interface or external pin
4) I2C compatible Interface. (Device address is “1001111”)
5) Wafer Level CSP package(2.6mm×2.6mm) for space-constrained applications
6) Discharge resistance selectable for power-down sequence ramp speed control
7) Over-current protection in all LDO regulators
8) Over-current protection in Step-down Converter
9) Over-voltage protection in Step-down Converter
10) Thermal shutdown protection
●Applications
Mobile phones, Portable game systems, Portable mp3 players, Portable DVD players, Portable TV, Portable GPS,
PDA, Portable electronic dictionaries, etc.
www.DataSheet.co.kr
●Absolute maximum ratings (Ta=25℃)
Parameter
Symbol
Ratings
Unit
Maximum Supply Voltage (VBAT)
VBATMAX
6.0
Maximum Supply Voltage (PBAT)
VPBATMAX
6.0
Maximum Supply Voltage (VUSB)
VUSBMAX
6.0
Maximum Supply Voltage (DVDD)
Maximum Input Voltage 1
(LX, FB, OUT1, OUT2, OUT3, OUT4, OUT5,
EN_LD1, EN_LD2, EN_LD3, EN_LD4)
Maximum Input Voltage 2
(NRST, CLK, DATA)
Power Dissipation
DVDDMAX
VINMAX1
VINMAX2
Pd
4.5
VBAT + 0.3
DVDD + 0.3
900*1
Operating Temperature Range
Topr -35 ~ +85
Storage Temperature Range
Tstg -55 ~ +125
* This is an allowable loss of the ROHM evaluation glass epoxy board(60mm×60mm×16mm).
To use at temperature higher than 25℃ , derate 9.0mW per 1℃.
*1 Must not exceed Pd or ASO.
V
V
V
V
V
V
mW
℃
℃
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
1/16
2011.03 - Rev.A
Datasheet pdf - http://www.DataSheet4U.net/
1 page BH6172GU
Technical Note
●Electrical Characteristics (Unless otherwise specified, Ta=25℃, VBAT=PBAT =3.6V, VUSB=5.0V)
Parameter
Symbol
Limits
Min. Typ. Max.
Unit
Condition
LDO4
Output Voltage
VOM4 1.746 1.800 1.854
initial value
V Io=1mA@VBAT=4.5V
Io=300mA@VBAT=3.4V
Output current
VOM4C
-
- 300 mA Vo=1.8V
Dropout Voltage
Input Voltage Stability
Load Stability
Ripple rejection ratio
Short circuit current
Output Capacitor
LDO5
Output Voltage
Output current
VOM4DP - 0.1 -
V Io=50mA
⊿VIM4
-
2
-
mV
VBAT=3.4~4.5V, Io=50mA
Vo=1.8V
⊿VLM4
-
30
-
mV
Io=50µA~300mA, VBAT=3.6V
Vo=1.8V
VR=-20dBV, fR=120Hz
RRM4
-
60
-
dB Io=50mA, Vo=2.6V
BW=20Hz~20kHz
ISHTM4 - 340 - mA Vo=0V
COUT4
-
1.0
-
µF
Ta= -30~75℃
with LDO's DC bias
VOM5 3.201 3.300 3.399
VOM5C
-
- 150
initial value
V Io=1mA@VUSB=5.5V
Io=150mA@VUSB=4.4V
mA Vo=3.3V
Dropout Voltage
Input Voltage Stability
Load Stability
Ripple rejection ratio
Short circuit current
Output Capacitor
VOM5DP
⊿VIM5
⊿VLM5
-
-
-
RRM5
-
ISHTM5
COUT5
-
-
0.1 -
2
20
-
www.DataSheet.co.kr
-
60 -
180 -
1.0 -
V Io=50mA
mV
VUSB=4.4~5.5V, Io=50mA
Vo=3.3V
mV
Io=50µA~150mA, VUSB=5.5V
Vo=3.3V
VR=-20dBV, fR=120Hz
dB Io=50mA, Vo=2.6V
BW=20Hz~20kHz
mA Vo=0V
µF
Ta= -30~75℃
with LDO's DC bias
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
5/16
2011.03 - Rev.A
Datasheet pdf - http://www.DataSheet4U.net/
5 Page BH6172GU
●Reference data(ICC)
ICC(OFF) VUSB=5.0V
10
9
8
7
6
5
4
3
2
1
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
VBAT [V]
ICC(STBY) VBAT=VUSB short
10
9
8
7
6
5
4
3
2
1
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
VBAT [V]
●Reference data(SWREG)
SWREG L in e Re g u lat io n V O=1.0V
6
5.5 VBAT
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
VB AT [ V]
100
90
80
70
60
50
40
30
20
10
0
0
SWREG Ef f icie n cy vs Io (V o =1.365V ) V BA T=3.6V
50 100 150 200 250 300 350 400 450 500
IO[ mA]
Technical Note
ICC(OFF) VBAT=VUSB short
10
9
8
7
6
5
4
3
2
1
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
VBAT [V]
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3.2
ICC(ACTIVE) VBAT=VUSB short
3.7 4.2 4.7 5.2
VBAT [V]
5.7
www.DataSheet.co.kr
2
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
SWREG L o ad Re g u lat io n V O=1.0V
50 100 150 200 250 300 350 400 450 500
IO [mA]
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
11/16
2011.03 - Rev.A
Datasheet pdf - http://www.DataSheet4U.net/
11 Page |
Páginas | Total 17 Páginas | |
PDF Descargar | [ Datasheet BH6172GU.PDF ] |
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