UC3845BD ON Semiconductor, UC3845BD Datasheet - Page 2

• Manufacturer Part Number: UC3845BD
• Description: IC CTRLR CURRENT MODE HP 14SOIC
• Manufacturer: ON Semiconductor

Specifications of UC3845BD

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 50%
• Voltage - Supply: 8.2 V ~ 25 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: Yes
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Frequency-max: 275kHz
• Duty Cycle (max): 48 %
• Output Voltage: 4.9 V to 5.1 V
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 70 C
• Fall Time: 50 ns
• Minimum Operating Temperature: 0 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost, Flyback
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: UC3845BDOS

Product Discontinuance #16083
PLEASE NOTE: ON Semiconductor may implement minimum order quantities or
dollar amounts based on inventories available. Also, Devices on this
Product Discontinuance become NCNR (Non-Cancelable, Non-Returnable).
For questions or concerns regarding this notification, please contact your
local sales office or customer service representative.
Additional contacts are:
Americas:
Elizabeth Becker (email is [e-mail])
602.244.7248
USA
Europe:
Herve Marchionini (email is [e-mail])
49.89.930.808.36 or 1.602.244.4170
France
Japan & Asia Pacific:
Nobuyuki Otake (email is [e-mail])
81.241.27.5460
Japan
NOTE: SUBSEQUENT TO PUBLISHING A DISCONTINUANCE NOTICE,
NOTE: TO ALLOW AN ORDERLY EXIT FROM THE MARKET, PRODUCT SHALL NOT BE
Issue Date: 03 Jan 2008
ON SEMICONDUCTOR WILL ALLOW SIX (6) MONTHS FROM THE
ANNOUNCEMENT DATE TO PLACE FINAL LIFETIME PURCHASE ORDERS.
DELIVERED AFTER TWELVE (12) MONTHS BEYOND THE ANNOUNCEMENT DATE.
End of life buy orders must be placed before July 31 2008
and End of life buy orders must be shipped before Dec 31 2008
Rev.08-24-05
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