UC3845BD1 ON Semiconductor, UC3845BD1 Datasheet - Page 24

• Manufacturer Part Number: UC3845BD1
• Description: IC CTRLR CURRENT MODE HP 8SOIC
• Manufacturer: ON Semiconductor

Specifications of UC3845BD1

• 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: 8-SOIC (3.9mm Width)
• 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: UC3845BD1OS

Issue Date: 11 Feb 2009
Part Number to be
TY40497SDTBR2
TY40497SDWR2
UC3842BVD1R2
UC3842BVD1R2
UC3843BVD1R2
TLV431BSN1T1
Discontinued
UC3842BVDR2
UC3844BVDR2
UC3844BVDR2
UC2843BD1R2
UC3842BD1R2
UC3844BD1R2
TLV431BSNT1
TY40497SDW
TYA33560DW
TYA7805CTV
TYA7809CTV
TY30577DR2
TY30578DR2
TL431IDMR2
UC3844BVD
UC3844BVD
UC3844BVN
UC3845BD1
TY40460R2
TY40460R2
UC3842BN
UC3843BN
TP00237T
TPA0233
Suggested Replacement Part
TY40497SDTBR2G
TY40497SDWR2G
UC3842BVD1R2G
UC3842BVD1R2G
UC3843BVD1R2G
TLV431BSN1T1G
UC3842BVDR2G
UC3844BVDR2G
UC3844BVDR2G
UC2843BD1R2G
UC3842BD1R2G
UC3844BD1R2G
TLV431BSNT1G
Rev.08-24-05
TY40497SDWG
TYA33560DWG
TYA7805CTVG
TYA7809CTVG
TY30577DR2G
TY30578DR2G
TL431IDMR2G
UC3844BVDG
UC3844BVDG
UC3844BVNG
UC3845BD1G
TY40460R2G
TY40460R2G
UC3842BNG
UC3843BNG
TP00237TG
TPA0233G
(Pb Free)
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