Products/Standard Power Modules/ERM Series

Standard Power Modules100% localised

DC/DC Isolated Power Module

ERM Series

Manual p. 1–4

A 100 % domestically produced isolated DC/DC converter in a five-sided metal shell with dual-in-line through-hole pins — 3 W from a 4.5–9 V input, 5 W from 9–40 V or 16–40 V, single or dual output, in a 12.7 × 12.7 × 10.8 mm package.

Input

4.5–9 / 9–40 / 16–40 VDC

Output power

3 W · 5 W

Efficiency

76–86 % typ.

Package

12.7 × 12.7 × 10.8 mm

Request a quote Datasheet (PDF)

Semi-custom part numbers can be assigned to your requirement — contact engineering for tightened parameters or extended temperature grades.

Product Features

Isolated output

High efficiency

Low ripple

Five-sided metal package

Fixed switching frequency

Small size

Input under-voltage protection

Output over-current protection

Output short-circuit protection

Enable (ON/OFF) control

No minimum-load requirement

100 % localised

Application Areas

Aerospace

Vehicle systems

Airborne equipment

Electrical specifications

Input voltage range4.5–9 VDC, 5.0 typ. (5 series) · 9–40 VDC, 28 typ. (18 series) · 16–40 VDC, 28 typ. (28 series)

Input under-voltage protection3.75–4.5 VDC (5 series) · 7–9 VDC (18 series) · 13–16 VDC (28 series), half load

Input surge voltage50 VDC max. (18/28 series, 100 ms, full load)

Output voltage accuracy−1.0 / 0.5 typ. / +1.0 %Vo, full load

Line regulation±1.0 %Vo (full temperature, full input range, full load)

Load regulation±2.0 %Vo (full temperature, full input range, full load range, dual outputs balanced)

Start-up time4 ms typ. (full load)

Transient overshoot / recovery±5.0 %Vo / 500 µs max. (25–50–25 %, 50–75–50 %, di/dt = 0.1 A/µs)

Output over-current protection≥110 %Io, hiccup mode, self-recovering

Output short-circuit protectionhiccup mode, self-recovering

Switching frequency300 kHz typ.

Enable (positive logic)−0.3–0.7 VDC: output off · 3.5–12 VDC or open: output on

Insulation resistance≥100 MΩ at 500 VDC (input, output, case)

Isolation voltage1000 V input-to-output, 1 min, ramp 500 V/s, leakage ≤3.5 mA, no arcing or breakdown

Part Numbering Rule

ERM – 28 – S – 05 – M – 5 – P – S

ERMStandard power module, 12.7 × 12.7 × 10.8 mm

28Input voltage: 5 = 4.5–9 V, 18 = 9–40 V, 28 = 16–40 V

SOutputs: S = single, D = dual

05Output voltage: 3V3 = 3.3 V, 05 = 5 V, 06 = 6 V … 28 = 28 V

MTemperature grade: M = enterprise-military, −55 to +105 °C · T = industrial, −40 to +85 °C

5Output power: 3 = 3 W, 5 = 5 W

PLogic: P = positive

SMounting: S = standard

Product Model List

33 catalogued part numbers

Check availability

ERM Series — catalogued part numbers and key parameters
Part number	V-in (V)	V-out (V)	I-out (A)	η typ. (%)	Cap. load (µF)	Ripple typ. (mVpp)	ZZKK grade
YSERM05S3V3M3PS	4.5–9	3.3	0.91	76	470	30	C
YSERM05S05M3PS	4.5–9	5	0.6	82	220	30	C
YSERM05S06M3PS	4.5–9	6	0.5	82	220	20	C
YSERM05S09M3PS	4.5–9	9	0.33	83	150	30	C
YSERM05S12M3PS	4.5–9	12	0.25	84	150	30	C
YSERM05S15M3PS	4.5–9	15	0.2	85	100	30	C
YSERM05S24M3PS	4.5–9	24	0.13	84	100	40	C
YSERM05S28M3PS	4.5–9	28	0.11	84	47	40	C
YSERM05D05M3PS	4.5–9	±5	0.3	80	150	30	C
YSERM05D12M3PS	4.5–9	±12	0.13	84	47	30	C
YSERM05D15M3PS	4.5–9	±15	0.1	84	47	30	C
YSERM18S3V3M5PS	9–40	3.3	1.5	78	330	40	C
YSERM18S05M5PS	9–40	5	1	82	330	40	C
YSERM18S06M5PS	9–40	6	0.83	84	330	40	C
YSERM18S09M5PS	9–40	9	0.56	84	220	30	C
YSERM18S12M5PS	9–40	12	0.42	86	220	30	C
YSERM18S15M5PS	9–40	15	0.33	85	220	30	C
YSERM18S24M5PS	9–40	24	0.21	86	100	40	C
YSERM18S28M5PS	9–40	28	0.18	84	100	40	C
YSERM18D05M5PS	9–40	±5	0.5	80	220	40	C
YSERM18D12M5PS	9–40	±12	0.21	83	100	40	C
YSERM18D15M5PS	9–40	±15	0.17	83	100	40	C
YSERM28S3V3M5PS	16–40	3.3	1.5	78	470	40	C
YSERM28S05M5PS	16–40	5	1	82	470	40	C
YSERM28S06M5PS	16–40	6	0.83	84	470	40	C
YSERM28S09M5PS	16–40	9	0.56	85	220	30	C
YSERM28S12M5PS	16–40	12	0.42	86	220	30	C
YSERM28S15M5PS	16–40	15	0.33	86	220	30	C
YSERM28S24M5PS	16–40	24	0.21	86	100	40	C
YSERM28S28M5PS	16–40	28	0.18	85	100	40	C
YSERM28D05M5PS	16–40	±5	0.5	80	220	40	C
YSERM28D12M5PS	16–40	±12	0.21	83	100	40	C
YSERM28D15M5PS	16–40	±15	0.17	83	100	40	C

For the complete selection, please contact engineering — more variants, packages and grades are available than listed here.

Contact engineering

Performance figures are typical values; the detailed product specification or datasheet supplied by Yueyang governs. Only typical part numbers are listed — models can be customised to customer requirements.

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