BD9109FVM-TR Rohm Semiconductor, BD9109FVM-TR Datasheet - Page 3

• Manufacturer Part Number: BD9109FVM-TR
• Description: IC REG SW 0.8A 3.3VOUTPUT 8-MSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r
• Series: -r

Specifications of BD9109FVM-TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 800mA
• Frequency - Switching: 1MHz
• Voltage - Input: 4.5 ~ 5.5 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Power - Output: 587.4mW
• Output Voltage: 3.3 V
• Output Current: 0.8 A
• Input Voltage: 4.5 V to 5.5 V
• Switching Frequency: 1 MHz
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Electrical Characteristics
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Standby current
Bias current
EN Low voltage
EN High voltage
EN input current
Oscillation frequency
Pch FET ON resistance
Nch FET ON resistance
Output voltage
ITH
ITH
UVLO threshold voltage
UVLO hysteresis voltage
Soft start time
Timer latch time
Output Short circuit
Standby current
Bias current
EN Low voltage
EN High voltage
EN input current
Oscillation frequency
Pch FET ON resistance
Nch FET ON resistance
ADJ Voltage
Output voltage
ITH
ITH
UVLO threshold voltage
UVLO hysteresis voltage
Soft start time
Timer latch time
Standby current
Bias current
EN Low voltage
EN High voltage
EN input current
Oscillation frequency
Pch FET ON resistance
Nch FET ON resistance
ADJ Voltage
Output voltage
ITH
ITH
UVLO threshold voltage
UVLO hysteresis voltage
Soft start time
Timer latch time
Output Short circuit
◎BD9109FVM (Ta=25℃, V
◎BD9110NV (Ta=25℃, V
◎BD9120HFN (Ta=25℃, V
Threshold Voltage
Threshold Voltage
*9 Design Guarantee（Outgoing inspection is not done on all products）
*9 Design Guarantee（Outgoing inspection is not done on all products）
*9 Design Guarantee（Outgoing inspection is not done on all products）
SI
S
SI
S
SI
S
ource
ource
ource
nk current
nk current
nk current
Parameter
Parameter
Parameter
C
C
C
urrent
urrent
urrent
*9
*9
*9
*9
*9
*9
*9
*9
CC
CC
CC
=PV
=PV
=PV
V
CC
V
Symbol
Symbol
Symbol
V
V
V
V
T
T
T
UVLOHys
CC
CC
R
R
I
R
R
I
R
R
I
V
F
V
V
V
F
V
UVLOTh
V
F
V
V
V
V
V
V
V
I
I
I
THSO
UVLO1
UVLO2
LATCH
THSO
LATCH
THSO
UVLO1
UVLO2
LATCH
I
=5V, EN=V
I
I
T
T
T
THSI
THSI
THSI
I
I
I
I
I
I
STB
STB
STB
OSC
OSC
OSC
ENH
ONP
ONN
OUT
ENH
ONP
ONN
OUT
ENH
ONP
ONN
OUT
CC
ENL
SCP
CC
ENL
CC
ENL
SCP
EN
EN
ADJ
EN
ADJ
SS
SS
SS
=3.3V, EN=V
=5V, EN= V
CC
3.234
0.780
0.780
2.400
2.425
3.65
CC
Min.
Min.
Min.
, R
2.0
0.8
3.6
0.5
2.0
0.8
3.5
2.5
0.5
2.0
0.8
0.5
10
10
10
10
50
10
10
CC
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
unless otherwise specified.)
, R
=10kΩ,R
1
3/28
=20kΩ, R
V
OUT
3.300
0.800
1.200
0.800
1.200
2.500
2.550
GND
VCC
GND
GND
Typ.
0.35
0.25
2
Typ.
Typ.
0.35
0.25
V
V
250
250
200
150
100
200
3.8
3.9
3.7
20
20
20
20
20
20
=5kΩ unless otherwise specified.)
0
1
1
1
2
2
0
1
1
5
1
0
1
1
1
2
CC
CC
×0.5
2
=10kΩ unless otherwise specified.)
V
OUT
3.366
0.820
0.820
2.600
2.700
Max.
Max.
Max.
0.60
0.50
0.60
0.50
400
350
320
270
200
400
0.8
1.2
4.0
4.2
2.7
0.8
1.2
3.9
0.8
1.2
10
10
10
10
10
10
10
2
3
2
2
3
-
-
-
-
-
-
-
-
-
-
-
×0.7
MHz
MHz
MHz
Unit
Unit
Unit
mΩ
mΩ
mV
ms
ms
ms
ms
ms
ms
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
EN=GND
Standby mode
Active mode
V
PV
PV
V
V
V
V
SCP/TSD operated
V
EN=GND
Standby mode
Active mode
V
PV
PV
V
V
V
EN=GND
Standby mode
Active mode
V
PV
PV
V
V
V
V
SCP/TSD operated
V
EN
OUT
OUT
CC
CC
OUT
EN
OUT
OUT
CC
EN
OUT
OUT
CC
CC
OUT
CC
CC
CC
CC
CC
CC
=5V
=H→L
=L→H
=5V
=H→L
=3.3V
=H→L
=L→H
Technical Note
2009.05 - Rev.A
=5V
=5V
=5V
=5V
=3.3V
=3.3V
=H
=L
=H→L
=H
=L
=H
=L
=H→L
Conditions
Conditions
Conditions