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PDF BD9107FVM Data sheet ( Hoja de datos )
| Número de pieza | BD9107FVM | |
| Descripción | Synchronous Buck Converter | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Synchronous Buck Converter with
Integrated FET
BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN
General Description
The (BD9106FVM, BD9107FVM, BD9109FVM,
BD9110NV, and BD9120HFN) are ROHM’s high
efficiency step-down switching regulators designed to
produce a voltage as low as 1V from a supply voltage of
3.3V or 5.0V. It offers high efficiency by using
synchronous switches and provides fast transient
response to sudden load changes by implementing
current mode control.
Features
Fast Transient Response because of Current Mode
Control System
High Efficiency for All Load Ranges because of
Synchronous Switches (Nch and Pch FET) and
SLLMTM (Simple Light Load Mode)
Soft-Start Function
Thermal Shutdown and ULVO Functions
Short-Circuit Protection with Time Delay Function
Shutdown Function
Application
Power Supply for LSI including DSP, Microcomputer
and ASIC
Typical Application Circuit
Key Specifications
Input Voltage Range
BD9120HFN:
BD9106FVM, BD9107FVM:
BD9109FVM, BD9110NV:
Output Voltage Range
BD9109FVM:
BD9120HFN:
BD9107FVM:
BD9106FVM, BD9110NV:
Output Current
BD9106FVM, BD9109FVM,
BD9120HFN:
BD9107FVM:
BD9110NV:
Switching Frequency:
FET ON-Resistance
BD9110NV:
BD9106FVM, BD9107FVM:
BD9120HFN, BD9109FVM:
Standby Current:
Operating Temperature Range
BD9110NV:
BD9120HFN, BD9106FVM:
BD9107FVM, BD9109FVM:
2.7V to 4.5V
4.0V to 5.5V
4.5V to 5.5V
3.30V ± 2%
1.0V to 1.5V
1.0V to 1.8V
1.0V to 2.5V
0.8A(Max)
1.2A(Max)
2.0A(Max)
1MHz(Typ)
Pch(Typ)/Nch(Typ)
200mΩ / 150mΩ
350mΩ / 250mΩ
350mΩ / 250mΩ
0μA(Typ)
-25°C to +105°C
-25°C to +85°C
-25°C to +85°C
Packages
W(Typ) x D(Typ) x H(Max)
VCC
CIN L
EN VCC,PVCC SW
VOUT
VOUT
CO R2
ITH GND,PGND
RITH
R1
HSON8
MSOP8
2.90mm x 3.00mm x 0.60mm 2.90mm x 4.00mm x 0.90mm
CITH
Figure 1. Typical Application Circuit
SON008V5060
5.00mm x 6.00mm x 1.00mm
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
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○ This product has no designed protection against radioactive rays
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BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN
Datasheet
Electrical Characteristics – continued
◎BD9110NV (Ta=25°C, VCC=PVCC=5V, VEN=VCC, R1=10kΩ,R2=5kΩ unless otherwise specified.)
Parameter
Symbol
Min
Typ
Max Unit
Standby Current
Bias Current
ISTB
-
0 10 μA
ICC
-
250 350
μA
EN Low Voltage
VENL
-
GND
0.8
V
EN High Voltage
EN Input Current
VENH
2.0
VCC
-
V
IEN -
1 10 μA
Oscillation Frequency
fOSC
0.8
1
1.2 MHz
Pch FET ON-Resistance (Note 9)
RONP
-
200 320 mΩ
Nch FET ON-Resistance (Note 9)
RONN
-
150 270 mΩ
ADJ Voltage
VADJ
0.780
0.800
0.820
V
Output Voltage (Note 9)
ITH Sink Current
ITH Source Current
VOUT - 1.200
ITHSI
10
20
ITHSO
10
20
-
-
-
V
μA
μA
UVLO Threshold Voltage
VUVLOTh
3.5
3.7
3.9
V
UVLO Hysteresis Voltage
VUVLOHys
50
100 200 mV
Soft Start Time
tSS 2.5 5 10 ms
Timer Latch Time
tLATCH
0.5
1
2 ms
(Note 9) Design Guarantee（Outgoing inspection is not done on all products）
Conditions
EN=GND
Standby mode
Active mode
VEN=5V
PVCC=5V
PVCC=5V
VOUT=H
VOUT=L
VCC=H to L
◎BD9120HFN (Ta=25°C, VCC=PVCC=3.3V, VEN=VCC, R1=20kΩ, R2=10kΩ unless otherwise specified.)
Parameter
Symbol
Min
Typ
Max Unit
Standby Current
Bias Current
ISTB
-
0 10 μA
ICC
-
200 400
μA
EN Low Voltage
VENL
-
GND
0.8
V
EN High Voltage
EN Input Current
VENH 2.0 VCC
-
IEN - 1 10
V
μA
Oscillation Frequency
fOSC
0.8
1
1.2 MHz
Pch FET ON-Resistance (Note 9)
RONP
-
0.35 0.60
Ω
Nch FET ON-Resistance (Note 9)
RONN
-
0.25 0.50
Ω
ADJ Voltage
VADJ
0.780
0.800
0.820
V
Output Voltage(Note 9)
ITH Sink Current
ITH Source Current
VOUT
ITHSI
ITHSO
- 1.200
10 20
10 20
-
-
-
V
μA
μA
UVLO Threshold Voltage
VUVLO1
2.400
2.500
2.600
V
UVLO Hysteresis Voltage
VUVLO2
2.425
2.550
2.700
V
Soft Start Time
tSS 0.5 1
2 ms
Timer Latch Time
tLATCH
1
2
3 ms
Output Short Circuit
Threshold Voltage
VSCP
- VOUTx0.5 VOUTx0.7 V
(Note 9) Design Guarantee（Outgoing inspection is not done on all products）
Conditions
EN=GND
Standby mode
Active mode
VEN=3.3V
PVCC=3.3V
PVCC=3.3V
VOUT=H
VOUT=L
VCC=H to L
VCC=L to H
SCP/TSD operated
VOUT=H to L
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･001
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5 Page 
BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN
Typical Waveforms – continued
[PWM control
VOUT=1.8V]
VOUT
SW
Datasheet
[VOUT=1.8V]
VOUT
VCC=5V
Ta=25°C
IOUT
VCC=5V
Ta=25°C
Figure 22. SW Waveform
(IO=200mA)
Figure 23. Transient Response
(IO=100mA to 600mA, 10μs)
VOUT
VOUT
[VOUT=1.8V]
IOUT
IOUT
VCC=5V
Ta=25°C
Figure 24. Transient response
(Io=600mA to100mA, 10μs)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･001
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BD9107FVM.PDF ] | |
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