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RAA212421 Datasheet(PDF) 13 Page - Renesas Technology Corp

Part # RAA212421
Description  3V to 40V Input, 1.1A Synchronous Buck Regulator with Integrated 500mA LDO
PDF  34 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

RAA212421 Datasheet(HTML) 13 Page - Renesas Technology Corp

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FN9309 Rev.3.00
Page 13 of 34
Jul 8, 2019
RAA212421
3. Typical Performance Curves
3.2
Buck Measurements
fSW = 500kHz, VIN1 = 24V, VOUT1 = 3.3V, TA = +25°C
Figure 14. Start-Up at No Load, PFM
Figure 15. Start-Up at No Load, PWM
Figure 16. Shutdown at No Load, PFM
Figure 17. Shutdown at No Load, PWM
Figure 18. Start-Up at 1.1A, PWM
Figure 19. Shutdown at 1.1A, PWM
800µs/Div
EN1 (5V/Div)
VOUT1 (2V/Div)
IL1 (0.5A/Div)
PG1 (5V/Div)
800µs/Div
EN1 (5V/Div)
VOUT1 (2V/Div)
IL1 (1A/Div)
PG1 (5V/Div)
20ms/Div
EN1 (5V/Div)
VOUT1 (2V/Div)
IL1 (0.5A/Div)
PG1 (5V/Div)
20ms/Div
EN1 (5V/Div)
VOUT1 (2V/Div)
IL1 (0.5A/Div)
PG1 (5V/Div)
800µs/Div
EN1 (5V/Div)
VOUT1 (2V/Div)
IL1 (1A/Div)
PG1 (5V/Div)
20ms/Div
EN1 (5V/Div)
VOUT1 (2V/Div)
IL1 (1A/Div)
PG1 (5V/Div)



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