參數(shù)資料
型號(hào)： LTC3109IGN#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.026 A SWITCHING REGULATOR, PDSO20
封裝： 0.150 INCH, LEAD FREE, PLASTIC, SSOP-20
文件頁(yè)數(shù)： 22/24頁(yè)
文件大小： 329K
代理商： LTC3109IGN#TRPBF
LTC3109
3109f
pin FuncTions (DFN/SSOP)
C1B(Pin9/Pin11): InputtotheChargePumpandRectifier
Circuit for Channel B. Connect a capacitor from this pin
to the secondary winding of the “B” step-up transformer.
SeetheApplicationsInformationsectionforrecommended
capacitor values.
C1A (Pin 18/Pin 20): Input to the Charge Pump and Recti-
fier Circuit for Channel A. Connect a capacitor from this pin
to the secondary winding of the “A” step-up transformer.
SeetheApplicationsInformationsectionforrecommended
capacitor values.
C2B (Pin 10/Pin 12): Input to the Gate Drive Circuit for
SWB. Connect a capacitor from this pin to the secondary
windingofthe“B”step-uptransformer.SeetheApplications
Information section for recommended capacitor values.
C2A (Pin 17/Pin 19): Input to the Gate Drive Circuit for
SWA. Connect a capacitor from this pin to the secondary
windingofthe“A”step-uptransformer.SeetheApplications
Information section for recommended capacitor values.
SWA (Pin 15/Pin 17): Connection to the Internal N-Chan-
nel Switch for Channel A. Connect this pin to the primary
winding of the “A” transformer.
SWB (Pin 12/Pin 14): Connection to the Internal N-Chan-
nel Switch for Channel B. Connect this pin to the primary
winding of the “B” transformer.
VINA(Pin14/Pin16):ConnectiontotheInternalN-Channel
Switch for Channel A. Connect this pin to one side of the
input voltage source (see Typical Applications).
VINB(Pin13/Pin15):ConnectiontotheInternalN-Channel
Switch for Channel B. Connect this pin to the other side of
the input voltage source (see Typical Applications).
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