BD9775FV-E2 Rohm Semiconductor, BD9775FV-E2 Datasheet - Page 2

• Manufacturer Part Number: BD9775FV-E2
• Description: IC REG SW STEP DOWN HE 28-SSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r

Specifications of BD9775FV-E2

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Current - Output: 400mA
• Frequency - Switching: 100kHz
• Voltage - Input: 6 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Power - Output: 640mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BD9775FV-E2TR

●Electrical characteristics (Ta=25℃, VCC=13.2V, fosc=100kHz, CTL1=3V, CTL2=3V)
© 2011 ROHM Co., Ltd. All rights reserved.
BD9775FV
www.rohm.com
【Whole Device】
【Reference Voltage】
【Internal Voltage Regulator】
【Oscillator】
【Synchronized Frequency】
【Error Amplifier】
Stand-by Current
Circuit Current
VREF Output Voltage
Line Regulation
Load Regulation
Short Output Current
VREGA Output Voltage
VREGB Output Voltage
VREGB Dropout Voltage
Oscillating Frequency
Frequency Tolerance
Synchronized Frequency
FIN Threshold Voltage
FIN Input Current
Threshold Voltage
INV Input Bias Current
Voltage Gain
Band Width
Maximum Output Voltage
Minimum Output Voltage
Output Sink Current
Output Source Current
Parameter
Isource1
Isource2
Symbol
Vdregb
Vrega
Vregb
Dfosc
Vthfin
Vthea
fosc2
DVlo
Ibias
Iccst
Vfbh
Isink
DVli
fosc
IFIN
Vref
Vfbl
Ios
Bw
Icc
Av
VCC-5.5
2.97
0.98
-170
-200
Min.
2.5
-60
4.5
1.2
2.2
0.5
90
－
－
－
－
－
－
－
－
－
-1
-1
VCC-5.0
Limits
2/14
Typ.
3.00
1.00
-110
-130
100
120
4.2
-22
5.0
1.8
1.4
2.0
2.4
70
－
－
－
－
－
－
－
2
VCC-4.5
Max.
3.03
1.02
110
5.5
2.2
1.6
2.6
0.1
5.2
-70
-85
10
10
－
－
－
-5
5
7
2
1
1
MHz
Unit
kHz
kHz
mA
mV
mV
mA
mA
µA
µA
µA
dB
µA
µA
%
V
V
V
V
V
V
V
V
CTL1,CTL2=0V
FB1,FB2=0V
Io=-1mA
Vcc=7 to 18V,Io=-1mA
Io=-0.1mA to -2mA
Switching with COUT=5000pF
Switching with COUT=5000pF
VREGB to GND Voltage
RT=27kΩ,CT=470pF
Vcc=7 to 18V
FIN=120kHz
VFIN=1.4V
DC
Av=0dB
INV=0.5V
INV=1.5V
FB1,2 Terminal
FB1 Terminal
FB2 Terminal
Condition
Technical Note
2011.05 - Rev.A