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RAA230403 fiches techniques PDF

Renesas - 3-ch Step-Down Switching Regulator + 1-ch LDO

Numéro de référence RAA230403
Description 3-ch Step-Down Switching Regulator + 1-ch LDO
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RAA230403 fiche technique
RAA23040x
3-ch Step-Down Switching Regulator + 1-ch LDO
Datasheet
R18DS0004EJ0102
Rev.1.02
Jul.09, 2013
Description
The RAA23040x is a power supply IC that has 3-ch step-down Switching Regulator containing power MOSFETs and
1-ch LDO.
Features
Switching Regulator (ch1, ch3, ch4)
Synchronous rectification type step-down circuit
Integrated power MOSFETs
Internal phase compensator
Power good function (ch1)
Low power mode
(ch1, ch3 and ch4 operate at low frequency and reduce the power consumption of the IC.)
Switching frequency: 1.3 MHz to 2 MHz (variable)
Internal timer-latch-type short-circuit protector
LDO (ch2)
Internal over current protector (foldback-current limiting)
Common part
Independent On/Off control for each channel
Internal digital soft-start function (adjustable soft-start time)
Internal discharge circuit
Internal timer-latch-type thermal shutdown circuit (shutdown temperature: 150°C or higher)
Internal recovery-type under voltage lockout circuit
PKG and Packing
Part No.
RAA23040xGNP
RAA23040xGFT
Package
32-pin VQFN
32-pin TQFP
Packing
Embossed taping. 4,000pcs/reel
Tray. 1,250pcs/Inner box
R18DS0004EJ0102 Rev. 1.02
Jul.09, 2013
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