SC2544TSTRT Semtech, SC2544TSTRT Datasheet - Page 20

• Manufacturer Part Number: SC2544TSTRT
• Description: IC CTRL/REG SYNC BUCK 24-TSSOP
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC2544TSTRT

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: Adj to 0.75V
• Frequency - Switching: 100kHz ~ 300kHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Other names: SC2544TSTR

© 2005 Semtech Corp.
POWER MANAGEMENT
Typical Characteristics
Ratiometric start up(connect
Sequential start up (Seperate
Gate waveform
SS1,SS2 together).
SS1,SS2).
CH1: EN
CH1: EN
CH2: VO1
CH2: VO1
CH3: VO2
CH3: VO2
CH1: TG1
CH2: BG1
CH3: TG2
CH4: BG2
CH1: EN
CH1: EN
CH2: VO1
CH2: VO1
CH3: VO2
CH3: VO2
20
Transient response(0-5A).
Shut down by pulling down EN pin
Over current protection (5A/10mV)
voltage.
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SC2544
CH1:Vi
CH2:Ven
CH3:VSS
CH4:Vo
CH3:Vo
CH4:Io
CH1:TG
CH2:BG
CH3:TG
CH4:BG