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BD9109FVM-TR Datasheet(PDF) 5 Page - Rohm

Part # BD9109FVM-TR
Description  Synchronous Buck Converter with Integrated FET
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9109FVM-TR Datasheet(HTML) 5 Page - Rohm

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BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
TSZ02201-0J3J0AJ00090-1-2
02.Oct.2014 Rev.003
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
Conditions
Standby Current
ISTB
-
0
10
μA
EN=GND
Bias Current
ICC
-
250
350
μA
EN Low Voltage
VENL
-
GND
0.8
V
Standby mode
EN High Voltage
VENH
2.0
VCC
-
V
Active mode
EN Input Current
IEN
-
1
10
μA
VEN=5V
Oscillation Frequency
fOSC
0.8
1
1.2
MHz
Pch FET ON-Resistance (Note 9)
RONP
-
200
320
PVCC=5V
Nch FET ON-Resistance (Note 9)
RONN
-
150
270
PVCC=5V
ADJ Voltage
VADJ
0.780
0.800
0.820
V
Output Voltage (Note 9)
VOUT
-
1.200
-
V
ITH Sink Current
ITHSI
10
20
-
μA
VOUT=H
ITH Source Current
ITHSO
10
20
-
μA
VOUT=L
UVLO Threshold Voltage
VUVLOTh
3.5
3.7
3.9
V
VCC=H to L
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)
◎BD9120HFN (Ta=25°C, VCC=PVCC=3.3V, VEN=VCC, R1
=20kΩ, R2=10kΩ unless otherwise specified.)
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
Standby Current
ISTB
-
0
10
μA
EN=GND
Bias Current
ICC
-
200
400
μA
EN Low Voltage
VENL
-
GND
0.8
V
Standby mode
EN High Voltage
VENH
2.0
VCC
-
V
Active mode
EN Input Current
IEN
-
1
10
μA
VEN=3.3V
Oscillation Frequency
fOSC
0.8
1
1.2
MHz
Pch FET ON-Resistance (Note 9)
RONP
-
0.35
0.60
Ω
PVCC=3.3V
Nch FET ON-Resistance (Note 9)
RONN
-
0.25
0.50
Ω
PVCC=3.3V
ADJ Voltage
VADJ
0.780
0.800
0.820
V
Output Voltage(Note 9)
VOUT
-
1.200
-
V
ITH Sink Current
ITHSI
10
20
-
μA
VOUT=H
ITH Source Current
ITHSO
10
20
-
μA
VOUT=L
UVLO Threshold Voltage
VUVLO1
2.400
2.500
2.600
V
VCC=H to L
UVLO Hysteresis Voltage
VUVLO2
2.425
2.550
2.700
V
VCC=L to H
Soft Start Time
tSS
0.5
1
2
ms
Timer Latch Time
tLATCH
1
2
3
ms
SCP/TSD operated
Output Short Circuit
Threshold Voltage
VSCP
-
VOUTx0.5
VOUTx0.7
V
VOUT=H to L
(Note 9) Design Guarantee(Outgoing inspection is not done on all products)


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