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POWERBOX Automotive Line 20 ENA20W Series

Features
  • 20W 4:1 Single and Dual Output
  • DC/DC Converter
  • No minimum load required
  • 1600VDC input to output isolation
  • Application of chassis-mount
  • Screw terminals for input and output connections
  • Internal output LED indicator
  • Undervoltage. over current. short circuit. and over voltage protection
  • Reverse polarity protection
  • Fuse included
  • Meet EN55022 Class B
  • Safety meets UL60950-1. EN60950-1 and IEC60950-1
  • Compliant to RoHS II and REACH

ENA20W Series

Product Overview

ENA20W Series - Automotive Line 20 

20W 4:1 Single and Dual Output DC/DC Charger 

Input /Outputs:    DC In: 9.5 ~ 36V, 18 ~ 75VDC    DC Out: 3.3V, 5V, 12V, 15V, ±5V, ±12V, ±15VDC,   Power: 20W  

Specifications

INPUT
DC input voltage

24Vin(nom) 9.5~36VDC

48Vin(nom) 18~75VDC

Input fuse (slow blow)

24Vin(nom) 6A typ

48Vin(nom) 4A typ

Inrush current

15A typ

Reflected ripple current

Nominal input, full load 10mA p-p typ

Start-up voltage

24Vin(nom) 9.5VDC max

48Vin(nom) 18VDC max

Shutdown voltage

24Vin(nom) 7.5VDC typ

48Vin(nom) 15VDC typ

Start up time

Power up 100ms typ

Remote On/Off 20ms typ

Constant resistive load.

Input surge voltage

24Vin(nom) 50VDC, 100ms max

48Vin(nom) 100VDC, 100ms max

Remote ON/OFF

(option)

Referred to –Vin pin

Positive logic (standard)

DC-DC ON Open or 3~12V

DC-DC OFF Short or 0~1.2V

Negative logic (option)

DC-DC ON Short or 0~1.2V

Input current of Ctrl pin ±0.5mA.

Remote off input current 2.5mA typ.

OUTPUT
Voltage accuracy

3.3Vout ±1.5%

Others ±1.0%

Line regulation

Single ±0.2%

Dual ±0.5%

Low line to high line at full load.

Load regulation

Single ±1.5%

Others ±1.5%

No load to full load

Cross regulation

Dual ±5.0%

Assymetrical load 25%/100% FL.

Voltage adjustability

Single output ±10%

Ripple and noise

Single 3.3Vout 60mV p-p typ

5Vout, 12Vout, 15Vout 75mV p-p typ

Dual all 100mV p-p typ

Measured by 20MHz bandwidth.

Temperature coefficient

±0.02%/°C.

Transient response

250mS typ, 25% load step change.

Over voltage protection

3.3Vout 3.9VDC typ

5Vout 6.2VDC typ

12Vout 15VDC typ

15Vout 18VDC typ

Zener diode clamp.

Output indicator

Green LED.

Overload protection

150% of Iout rated; hiccup.

Short circuit protection

Continuous, automatics recovery.

RELIABILITY
Isolation voltage

Input to output 1 minute 1600VDC min

Input (output) to case 1 minute 1600VDC min

Isolation resistance

500VDC 1GW

Isolation capacitance

4000pF, max.

Switching frequency

400KHz typ.

MTBF

MIL-STD-217F, full load 1.966 x 105 hrs

ENVIRONMENTAL
Operating ambient temp.

–40°C ~ +75°C without derating.

+75°C ~ +91°C with derating.

Storage temperature

–40°C to +105°C.

Thermal shock

MIL-STD-810F.

Vibration

MIL-STD-810F.

Relative humidity

5-95% RH.

STANDARDS
Safety approvals

UL60950-1, EN60950-1, IEC60950-1.

EMI

EN55022 Class B.

ESD

EN61000-4-2, air ±8KV, contact ±6KV, Criteria A.

Radiated immunity

EN61000-4-3, 10V/m, Criteria A.

Fast transient

EN61000-4-4, ±2KV, Criteria A.

Surge

EN61000-4-5, ±0.5KV, Criteria A.

Conducted immunity

EN61000-4-6, 10 Vr.m.s., Criteria A.

MECHANICAL
Chassis material

Aluminum.

Dimensions

57.2 x 101.6 x1 9.1mm.

See technical illustrations

Weight

89g.

Selection Table

Model

Number

Input

Voltage

Output

Voltage

Output

Current

Output

Power

ENA20-24S3P3W 9.5 ~ 36V 3.3V 5500 mA 20W
ENA20-24S05W 9.5 ~ 36V 5V 4000 mA 18W
ENA20-24S12W 9.5 ~ 36V 12V 1670 mA 20W
ENA20-24S15W 9.5 ~ 36V 15V 1330 mA 20W
ENA20-24D05W 9.5 ~ 36V ±5V ±2000 mA 20W
ENA20-24D12W 9.5 ~ 36V ±12V ±833 mA 20W
ENA20-24D15W 9.5 ~ 36V ±15V ±667 mA 20W
ENA20-48S3P3W 18 ~ 75V 3.3V 5500 mA 18W
ENA20-48S05W 18 ~ 75V 5V 4000 mA 20W
ENA20-48S12W 18 ~ 75V 12V 1670 mA 20W
ENA20-48S15W 18 ~ 75V 15V 1330 mA 20W
ENA20-48D05W 18 ~ 75V ±5V ±2000 mA 20W
ENA20-48D12W 18 ~ 75V ±12V ±833 mA 20W
ENA20-48D15W 18 ~ 75V ±15V ±667 mA 20W

Technical Illustration

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