RPL-3.0 datasheet(2/8 Pages) RECOM

2 / 8 page

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REV.: 0/2021

I-2

DC/DC Converter

RPL-3.0

Series

Specifications

OPERATING CONDITIONS (V

IN= 12VDC, TJ= -40°C to +125°C, unless otherwise noted, typical values are at TJ= +25°C)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Input Voltage Range

VIN

4VDC

18VDC

UVLO threshold rising

3.2VDC

3.6VDC

3.9VDC

UVLO threshold falling

3.1VDC

UVLO threshold hysteresis

500mV

Output Voltage Range

VOUT

0.8VDC

5.2VDC

Output Current Range

IOUT

Standby current

IIN

VCTRL = 0VDC

15µA

Quiescent current

VFB = 0.85VDC, no switching

1.2mA

Switching frequency

fSW

1870kHz

2200kHz

2530kHz

Feedback voltage

VFB

788mV

800mV

812mV

Output load regulation

0-100% load @ 3.3VOUT

-0.5%

+0.5%

VCC regulator

VCC

3.3VDC

VCC load regulation

ICC = 20mA

Rise time

VOUT from 10% to 90%

1.65ms

VIN= 4-18VDC; VOUT= 3.3VDC, IOUT= 3A

Typical Application

Safe Operating Area

0.8

1.6

2.4

3.2

4.8

0.4

1.2

2.8

3.6

5.2 5.6

4.4

Output Voltage [VDC]

Notes:

Note5: A 10µF input capacitor (C

IN) is required to absorb the input switching current. A 22µF output capacitor (COUT) is mandatory.

To get stable regulation use for R1 and R2 1% or 0.1% resistors, R4 should be 1kOhm.

RECOM recommends low ESR X5R or X7R ceramic caps.

VOUT

out

+Sense

VIN

CTRL

VCC

AGND

PGND

RPL-3.0

47k

Ω

15k

Ω

CFF

CIN

10µF

COUT

22µF

(5)

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