- RS Stock No.:
- 171-5587
- Mfr. Part No.:
- BD9859EFJ-E2
- Brand:
- ROHM
Discontinued product
- RS Stock No.:
- 171-5587
- Mfr. Part No.:
- BD9859EFJ-E2
- Brand:
- ROHM
Technical data sheets
Legislation and Compliance
- COO (Country of Origin):
- JP
Product Details
BD9859EFJ mainly used as secondary side Power supply, for example from fixed Power supply of 9V, 12V etc, Step-down Output of 1.2V/1.8V/3.3V/5V, etc, can be produced. This IC has external Coil/Capacitor down-sizing through 750kHz High Frequency operation, inside Nch-FET SW for 15V withstand-pressure commutation and also, High Speed Load Response through Current Mode Control is a simple external setting Phase compensation System, through a wide range external constant, a compact Power supply can be produced easily.
Internal 100 mΩ Nch MOSFET
Output Current 3A
Oscillation Frequency 750kHz
Feedback Voltage 1.0V±1.0%
Internal Soft Start Function
Internal Over Current Protect Circuit, Low Input Error Prevention Circuit, Heat Protect Circuit
ON/OFF Control through EN Pin (Standby Current 0μA Typ.)
Package :HTSOP-J8 Package
Applications:
Coin Processing Machines
Portable Data Terminal
Meter for Medical Treatments Portable
Barcode Scanner
Digital Multimeter: Handy Type
Refrigerator
Single Board Computer
Digital Stethoscope
Network Attached Storage
Home Theater System
DVD
X-ray Inspection Machine for Security
Monitor for Medical
Home Audio
CT Scanner
ECG(EKG)
Intercom / Baby Monitor
Machine Vision Camera for Industrial
Fingerprint Authentication Device
Pulse Oximeter
Display for EMS
Digital Multimeter: Bench Type
TV
Output Current 3A
Oscillation Frequency 750kHz
Feedback Voltage 1.0V±1.0%
Internal Soft Start Function
Internal Over Current Protect Circuit, Low Input Error Prevention Circuit, Heat Protect Circuit
ON/OFF Control through EN Pin (Standby Current 0μA Typ.)
Package :HTSOP-J8 Package
Applications:
Coin Processing Machines
Portable Data Terminal
Meter for Medical Treatments Portable
Barcode Scanner
Digital Multimeter: Handy Type
Refrigerator
Single Board Computer
Digital Stethoscope
Network Attached Storage
Home Theater System
DVD
X-ray Inspection Machine for Security
Monitor for Medical
Home Audio
CT Scanner
ECG(EKG)
Intercom / Baby Monitor
Machine Vision Camera for Industrial
Fingerprint Authentication Device
Pulse Oximeter
Display for EMS
Digital Multimeter: Bench Type
TV
Specifications
Attribute | Value |
---|---|
Maximum Output Current | 3A |
Regulator Function | Buck Converter |
Minimum Output Voltage | 1 V |
Minimum Input Voltage | 5 V |
Maximum Input Voltage | 14 V |
Output Type | Adjustable |
Mounting Type | Surface Mount |
Number of Outputs | 1 |
Maximum Switching Frequency | 825 kHz |
Pin Count | 8 |
Package Type | HTSOP |
Switching Regulator | Yes |
Dimensions | 4.9 x 3.9 x 0.85mm |
Length | 4.9mm |
Maximum Operating Temperature | +85 °C |
Height | 0.85mm |
Minimum Operating Temperature | -40 °C |
Width | 3.9mm |