IMS15 datasheet(8/19 Pages) BEL

8 / 19 page

IMX15, IMY15 , IMS15 Series Data Sheet

15 Watt DC-DC Converters

BCD20008-G Rev AE, 25-Aug-2017

Page 8 of 19

MELCHER

The Power Partners.

Electrical Output Data

We recommend connecting an external 1 µF ceramic capacitor across the output pins.

General conditions:

– TA = 25 °C, unless TC is specified

– Shutdown pin and Trim or R pin left open-circuit (not connected)

Table 7a: Output data for single-output models -03-8RG 1 and 05-8RG 1

Output

3.3 V

5.1 V

Unit

Characteristics

Conditions

min

typ

max

min

typ

max

Output voltage

Vi nom

3.25

3.35

5.05

5.15

Io = 0.5 Io nom

Io nom

Output current

20IMX Vi min to Vi max

4.5

3.5

40IMX /110IMY

4.5

3.5

Io L

Current limit 2

Vi nom, TC = 25 °C

6.0

4.6

Vo ≤ 93% Vo nom

∆V

Line/load regulation

Vi min to Vi max,

±0.5

(0.1 to 1) Io nom

Output voltage noise

Vi min to Vi max

100

mVpp

Io = I o nom

Vo L

Output overvoltage limit. 3

115

130

115

130

Co ext

Admissible capacitive load

4000 6

µF

Vo d

Dynamic

Voltage deviat.

Vi nom

±250

to d

load

Recovery time

Io nom ↔ 1/2 Io nom

regulation

IEC/EN 61204

Temperature coefficient

Vi min to Vi max

±0.02

%/K

∆V

o /∆TC

(0.1 to 1) Io nom

SR Models -8RG (synchr. rectifier) have a minimum case and operating temperature of –25 °C. If the revision is BA (or later), it is –40 °C.

The current limit is primary side controlled. In the event of a sustained overload condition the thermal protection may cause the converter

to shut down (restart after cooling down).

The overvoltage protection is via a primary side second regulation loop. It is not tracking with R control.

BW = 20 MHz

Measured with a probe according to EN 61204

Co ext is limited to 3000 µF, if Vi >125 V or TA < 25 °C

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