BD9775FV-E2 Rohm Semiconductor, BD9775FV-E2 Datasheet - Page 9

• 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

●Timing Chart
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BD9775FV
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・Output ON/OFF, Minimum Input(UVLO)
・Over Current Protection, Short Circuit Protection, Thermal Shut Down
0.7×fixed output voltage
Half short of output
OCP detection level
VCC
CTL1
DTC1
Vout1
CTL2
DTC2
Vout2
CTL1,2
SCP
DTC1,2
Iout1,2
Vout1,2
OCP is activated by detecting 8 consecutive cycles
Stand-by
Inactivate half-short
Soft start
1.0V
1.0V
1.0V
Activate SCP
2.0V
UVLO is activated at 5.7V
9/14
Fig.11
Fig.12
6.0V
Reset the latch by restarting CTL
Activate TSD
UVLO is inactivated
at 5.8V
Inactivate TSD
Technical Note
2011.05 - Rev.A