Intersil, RAA2124214GNP#MA0

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The RAA212421 is a dual-output regulator combining a 3V to 40V input, 1.1A synchronous buck converter with a 500mA LDO featuring fast transient response. The combination of two high-performance power supplies in one compact 3x6mm package provide an easy-to-use, high-efficiency compact solution.
The wide VIN buck regulator of the RAA212421 integrates both high-side and low-side nMOSFETs and features a PFM mode for improved efficiency at light load. This feature can be disabled if forced PWM mode is desired. It can use internal or external compensation, which minimizes the required external components, reduces BOM count and complexity of design. The part switches at a default frequency of 500kHz, however, it can also be programmed using an external resistor from 300kHz to 2MHz.

Attribute Value
PWM Controller Type LDO Controller
Number of PWM Outputs 2
Minimum Input Voltage 3 V
Maximum Input Voltage 40 V
Output Voltage 0.8 → 5.5 V
Output Current 1.1 A
Line Regulation 0.9 %
Load Regulation 0.7 %
Mounting Type Surface Mount
Package Type TDFN
Pin Count 22
Maximum Switching Frequency 2 (External) MHz, 500 (Internal) kHz
Length 6mm
Maximum Operating Temperature +125 °C
Dimensions 6 x 3 x 0.7mm
Minimum Operating Temperature -40 °C
Supply Voltage 3 → 40V
Height 0.7mm
Width 3mm
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Pris (ex. moms) Each (On a Reel of 250)
24,301 kr
(exkl. moms)
30,376 kr
(inkl. moms)
Per unit
Per Reel*
250 +
24,301 kr
6 075,25 kr
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