OP-2-385V-28V-Q 180-425V Input, 28V/5.35A Output Quarter-brick

OP-2-385V-28V-Q

OP-2-385V-28V-Q 180-425V Input, 28V/5.35A Output Quarter-brick

Property

Value

Maximum Input Current (Max.)

1.5 A

Maximum Input Current (Notes & Conditions)

Vin min; trim up; in current limit

No-Load Input Current (Typ.)

25 mA

No-Load Input Current (Max.)

35 mA

Disabled Input Current (Typ.)

5 mA

Disabled Input Current (Max.)

10 mA

Response to Input Transient (Typ.)

1.3 V

Response to Input Transient (Notes & Conditions)

See Figure 6

Input Terminal Ripple Current (Typ.)

23 mA

Input Terminal Ripple Current (Notes & Conditions)

RMS

Recommended Input Fuse (Max.)

3 A

Recommended Input Fuse (Notes & Conditions)

Fast acting external fuse recommended

Output Voltage Set Point (Min.)

27.72 V

Output Voltage Set Point (Typ.)

28.00 V

Output Voltage Set Point (Max.)

28.28 V

Over Line (Typ.)

+/-0.1 %

Over Line (Max.)

+/-0.3 %

Over Load (Typ.)

+/-0.1 %

Over Load (Max.)

+/-0.3 %

Over Temperature (Min.)

-420 mV

Over Temperature (Max.)

420 mV

Total Output Voltage Range (Min.)

27.30 V

Total Output Voltage Range (Max.)

28.70 V

Total Output Voltage Range (Notes & Conditions)

Over sample, line, load, temperature & life

Output Voltage Ripple and Noise (Notes & Conditions)

20 MHz bandwidth

Peak-to-Peak (Min.)

0 mV

Peak-to-Peak (Typ.)

110 mV

Peak-to-Peak (Max.)

220 mV

Peak-to-Peak (Notes & Conditions)

Full load

RMS (Typ.)

25 mV

RMS (Max.)

50 mV

RMS (Notes & Conditions)

Full load

Operating Output Current Range (Min.)

0 A

Operating Output Current Range (Max.)

5.35 A

Operating Output Current Range (Notes & Conditions)

Subject to thermal derating

Output DC Current-Limit Inception (Min.)

5.9 A

Output DC Current-Limit Inception (Typ.)

6.7 A

Output DC Current-Limit Inception (Max.)

7.5 A

Output DC Current-Limit Inception (Notes & Conditions)

Output voltage 10% Low

Output DC Current-Limit Shutdown Voltage (Typ.)

17 V

Back-Drive Current Limit while Enabled (Typ.)

0.9 A

Back-Drive Current Limit while Enabled (Notes & Conditions)

Negative current drawn from output

Back-Drive Current Limit while Disabled (Typ.)

5 mA

Back-Drive Current Limit while Disabled (Notes & Conditions)

Negative current drawn from output

Maximum Output Capacitance (Max.)

1,000 uF

Maximum Output Capacitance (Notes & Conditions)

Vout nominal at full load (resistive load)

Settling Time (Typ.)

150 us

Settling Time (Notes & Conditions)

To within 1% Vout nom

Output Voltage Trim Range (Min.)

-20 %

Output Voltage Trim Range (Max.)

10 %

Output Voltage Trim Range (Notes & Conditions)

Across Pins 8&4; Common Figures 3-5

Output Voltage Remote Sense Range (Max.)

10 %

Output Voltage Remote Sense Range (Notes & Conditions)

Across Pins 8&4

Output Over-Voltage Protection (Min.)

32.2 V

Output Over-Voltage Protection (Typ.)

35.0 V

Output Over-Voltage Protection (Max.)

38.4 V

Output Over-Voltage Protection (Notes & Conditions)

Over full temp range

Switching Frequency (Min.)

485 kHz

Switching Frequency (Typ.)

550 kHz

Switching Frequency (Max.)

615 kHz

Switching Frequency (Notes & Conditions)

Isolation stage switching freq. is half this

100% Load (Typ.)

88 %

100% Load (Notes & Conditions)

See Figure 1 for efficiency curve

50% Load (Typ.)

86 %

50% Load (Notes & Conditions)

See Figure 1 for efficiency curve

Operating Input Voltage Range (Min.)

180 V

Operating Input Voltage Range (Typ.)

385 V

Operating Input Voltage Range (Max.)

425 V

Operating Input Voltage Range (Notes & Conditions)

475V transient for 100 ms

Turn-On Voltage Threshold (Min.)

171 V

Turn-On Voltage Threshold (Typ.)

174 V

Turn-On Voltage Threshold (Max.)

177 V

Turn-Off Voltage Threshold (Min.)

154 V

Turn-Off Voltage Threshold (Typ.)

162 V

Turn-Off Voltage Threshold (Max.)

170 V

Lockout Voltage Hysteresis (Typ.)

12.0 V

Input Over-Voltage Shutdown (Typ.)

500 V

Recommended External Input Capacitance (Typ.)

3.3 uF

Recommended External Input Capacitance (Notes & Conditions)

Typical ESR 8 Ohm see Note2

Input Filter Component Values (LC) (Typ.)

56.272 uH uF

Input Filter Component Values (LC) (Notes & Conditions)

Internal values

Non-Operating (Min.)

-0.5 V

Non-Operating (Max.)

600 V

Non-Operating (Notes & Conditions)

Continuous

Operating (Max.)

425 V

Operating (Notes & Conditions)

Continuous

Operating Transient Protection (Max.)

475 V

Operating Transient Protection (Notes & Conditions)

100 ms transient, square wave

Input to Output (Max.)

4250 V dc

Input to Output (Notes & Conditions)

Reinforced Insulation

Input to Base-Plate (Max.)

2300 V dc

Input to Base-Plate (Notes & Conditions)

Basic Insulation

Output to Base-Plate (Max.)

2300 V dc

Output to Base-Plate (Notes & Conditions)

Basic Insulation

Operating Temperature (Min.)

-40 °C

Operating Temperature (Max.)

100 °C

Operating Temperature (Notes & Conditions)

Baseplate temperature

Storage Temperature (Min.)

-45 °C

Storage Temperature (Max.)

125 °C

Voltage at ON/OFF input pin (Min.)

-2 V

Voltage at ON/OFF input pin (Max.)

18 V

Turn-On Time (Typ.)

42 ms

Turn-On Time (Notes & Conditions)

Full load, Vout=90% nom.

Start-Up Inhibit Time (Min.)

180 ms

Start-Up Inhibit Time (Typ.)

200 ms

Start-Up Inhibit Time (Max.)

220 ms

Start-Up Inhibit Time (Notes & Conditions)

-40 °C to +85 °C; Figure E

Output Voltage Overshoot (Typ.)

0 %

Output Voltage Overshoot (Notes & Conditions)

Maximum Output Capacitance

Isolation Voltage (dielectric strength) (Max.)

4250 V dc

Isolation Voltage (dielectric strength) (Notes & Conditions)

See Absolute Maximum Ratings

Isolation Resistance (Typ.)

100 M Ohm

Isolation Resistance (Notes & Conditions)

Per EN 60255-5

Semiconductor Junction Temperature (Max.)

125 °C

Semiconductor Junction Temperature (Notes & Conditions)

Package rated to 150 °C

Board Temperature (Max.)

125 °C

Board Temperature (Notes & Conditions)

UL rated max operating temp 130 °C

Transformer Temperature (Max.)

125 °C

Maximum Baseplate Temperature, Tb (Max.)

100 °C

Off-State Voltage (Min.)

2.4 V

Off-State Voltage (Max.)

18 V

On-State Voltage (Min.)

-1 V

On-State Voltage (Max.)

0.8 V

ON/OFF Control (Notes & Conditions)

Application notes Figures A & B

Pull-Up Voltage (Typ.)

5 V

Pull-Up Resistance (Typ.)

68.1 k Ohm

Over-Temperature Shutdown OTP Trip Point (Typ.)

125 °C

Over-Temperature Shutdown OTP Trip Point (Notes & Conditions)

Average PCB Temperature

Over-Temperature Shutdown Restart Hysteresis (Typ.)

10 °C

Calculated MTBF (Telcordia) TR-NWT-000332 (Typ.)

1.00 10^6 Hrs.

Calculated MTBF (Telcordia) TR-NWT-000332 (Notes & Conditions)

Tb = 70°C

Calculated MTBF (MIL-217) MIL-HDBK-217F (Typ.)

1.10 10^6 Hrs.

Calculated MTBF (MIL-217) MIL-HDBK-217F (Notes & Conditions)

Tb = 70°C

Step Change in Output Current (0.1 A/ us) (Typ.)

500 mV

Step Change in Output Current (0.1 A/ us) (Notes & Conditions)

50% to 75% to 50% Iout max

Features

High efficiency (88% at full rated load) with optimized thermal design for full power delivery without external heatsinking.

Wide 180-425V input voltage range with fixed-frequency switching to ensure predictable EMI performance.

Comprehensive protection suite including input UVLO, output over-voltage, current limit, short circuit, and thermal shutdown.

Advanced output regulation featuring remote sensing, a -20% to +10% voltage trim range, and no minimum load requirement.

Industry-standard quarter-brick footprint and pin-out configuration with an optional flanged baseplate.

Certified compliance with UL/CSA/EN 60950-1 safety standards, featuring reinforced insulation and RoHS certification.

Applications

Industrial and Transportation applications