OP-2-48V-2V-S 34-75 V Input, 1.8 V/25 A Output Sixteenth-brick

OP-2-48V-2V-S

OP-2-48V-2V-S 34-75 V Input, 1.8 V/25 A Output Sixteenth-brick

Property

Value

Maximum Input Current (Max.)

2.1 A

Maximum Input Current (Notes & Conditions)

Vin min; trim up; in current limit

No-Load Input Current (Typ.)

70 mA

No-Load Input Current (Max.)

90 mA

Disabled Input Current (Typ.)

10 mA

Disabled Input Current (Max.)

14 mA

Response to Input Transient (Typ.)

50 mV

Response to Input Transient (Notes & Conditions)

See Figure 6

Input Terminal Ripple Current (Typ.)

70 mA

Input Terminal Ripple Current (Notes & Conditions)

RMS

Recommended Input Fuse (Max.)

20 A

Recommended Input Fuse (Notes & Conditions)

Fast acting external fuse recommended

Output Voltage Set Point (Min.)

1.782 V

Output Voltage Set Point (Typ.)

1.800 V

Output Voltage Set Point (Max.)

1.822 V

Total Output Voltage Range (Min.)

1.755 V

Total Output Voltage Range (Max.)

1.845 V

Total Output Voltage Range (Notes & Conditions)

Over sample, line, load, temperature & life

Operating Output Current Range (Min.)

0 A

Operating Output Current Range (Max.)

25 A

Operating Output Current Range (Notes & Conditions)

Subject to thermal derating

Output DC Current-Limit Inception (Min.)

31.7 A

Output DC Current-Limit Inception (Typ.)

37.9 A

Output DC Current-Limit Inception (Max.)

44.2 A

Output DC Current-Limit Inception (Notes & Conditions)

Output voltage 20% Low

Output DC Current-Limit Shutdown Voltage (Typ.)

1.4 V

Back-Drive Current Limit while Enabled (Typ.)

8 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.)

10,000 uF

Maximum Output Capacitance (Notes & Conditions)

Vout nominal at full load (resistive load)

Output Voltage Trim Range (Min.)

–10 %

Output Voltage Trim Range (Max.)

10 %

Output Voltage Trim Range (Notes & Conditions)

Across Pins 8&4; Common Figures 2-4

Output Voltage Remote Sense Range (Max.)

10 %

Output Voltage Remote Sense Range (Notes & Conditions)

Across Pins 8&4

Output Over-Voltage Protection (Min.)

2.1 V

Output Over-Voltage Protection (Typ.)

2.2 V

Output Over-Voltage Protection (Max.)

2.3 V

Output Over-Voltage Protection (Notes & Conditions)

Over full temp range

100% Load (Typ.)

84.5 %

100% Load (Notes & Conditions)

See Figure 1 for efficiency curve

50% Load (Typ.)

85 %

50% Load (Notes & Conditions)

See Figure 1 for efficiency curve

Operating Input Voltage Range (Min.)

34 V

Operating Input Voltage Range (Typ.)

48 V

Operating Input Voltage Range (Max.)

75 V

Input Over-Voltage Shutdown (Typ.)

– V

Input Over-Voltage Shutdown (Notes & Conditions)

Not Available

Recommended External Input Capacitance (Typ.)

100 uF

Recommended External Input Capacitance (Notes & Conditions)

Typical ESR 0.1-0.2 Ohm

Input Filter Component Values (LC) (Typ.)

1/3.94 uH uF

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

Internal values

Operating Temperature (Min.)

-40 °C

Operating Temperature (Max.)

100 °C

Operating Temperature (Notes & Conditions)

Baseplate temperature

Storage Temperature (Min.)

-55 °C

Storage Temperature (Max.)

125 °C

Voltage at ON/OFF input pin (Min.)

-2 V

Voltage at ON/OFF input pin (Max.)

8 V

Output Voltage Overshoot (Typ.)

0 %

Output Voltage Overshoot (Notes & Conditions)

Maximum Output Capacitance

Isolation Voltage (dielectric strength) (Notes & Conditions)

See Absolute Maximum Ratings

Isolation Resistance (Typ.)

30 M Ohm

Isolation Capacitance (input to output) (Notes & Conditions)

See Note 1

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

Switching Frequency (Typ.)

500 kHz

Switching Frequency (Notes & Conditions)

Isolation stage switching freq. is half

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.)

3.80 10^6 Hrs.

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

Tb = 70 °C

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

0.68 10^6 Hrs.

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

Tb = 70 °C

Output Voltage Regulation Over Line (Typ.)

+/-0.1 %

Output Voltage Regulation Over Line (Max.)

+/-0.3 %

Output Voltage Regulation Over Load (Typ.)

+/-0.13 %

Output Voltage Regulation Over Load (Max.)

+/-0.5 %

Output Voltage Regulation Over Temperature (Min.)

–27 mV

Output Voltage Regulation Over Temperature (Max.)

27 mV

Output Voltage Ripple and Noise Peak-to-Peak (Min.)

0 mV

Output Voltage Ripple and Noise Peak-to-Peak (Typ.)

80 mV

Output Voltage Ripple and Noise Peak-to-Peak (Max.)

160 mV

Output Voltage Ripple and Noise Peak-to-Peak (Notes & Conditions)

Full load; 20 MHz bandwidth

Output Voltage Ripple and Noise RMS (Typ.)

20 mV

Output Voltage Ripple and Noise RMS (Max.)

40 mV

Output Voltage Ripple and Noise RMS (Notes & Conditions)

Full load

Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/ us) (Typ.)

60 mV

Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/ us) (Notes & Conditions)

50% to 75% to 50% Iout max

Output Voltage during Load Current Transient Settling Time (Typ.)

100 us

Output Voltage during Load Current Transient Settling Time (Notes & Conditions)

To within 1% Vout nom

Input Under-Voltage Lockout Turn-On Voltage Threshold (Min.)

31.2 V

Input Under-Voltage Lockout Turn-On Voltage Threshold (Typ.)

32.5 V

Input Under-Voltage Lockout Turn-On Voltage Threshold (Max.)

33.9 V

Input Under-Voltage Lockout Turn-Off Voltage Threshold (Min.)

29.6 V

Input Under-Voltage Lockout Turn-Off Voltage Threshold (Typ.)

31 V

Input Under-Voltage Lockout Turn-Off Voltage Threshold (Max.)

32.2 V

Input Under-Voltage Lockout Lockout Voltage Hysteresis (Typ.)

1.5 V

Input Voltage Non-Operating (Max.)

100 V

Input Voltage Non-Operating (Notes & Conditions)

Continuous

Input Voltage Operating (Max.)

75 V

Input Voltage Operating (Notes & Conditions)

Continuous

Input Voltage Operating Transient Protection (Max.)

100 V

Isolation Voltage Input to Output (Max.)

2250 V dc

Isolation Voltage Input to Output (Notes & Conditions)

Reinforced insulation

Isolation Voltage Input to Baseplate (Max.)

2250 V dc

Isolation Voltage Output to Baseplate (Max.)

2250 V dc

Turn-On Transient Turn-On Time (Typ.)

40 ms

Turn-On Transient Turn-On Time (Notes & Conditions)

Full load, Vout=90% nom.

Turn-On Transient Start-Up Inhibit Time (Min.)

100 ms

Turn-On Transient Start-Up Inhibit Time (Typ.)

120 ms

Turn-On Transient Start-Up Inhibit Time (Max.)

150 ms

Turn-On Transient Start-Up Inhibit Time (Notes & Conditions)

Figure F

ON/OFF Control Off-State Voltage (Min.)

1.5 V

ON/OFF Control Off-State Voltage (Max.)

8 V

ON/OFF Control On-State Voltage (Min.)

-2 V

ON/OFF Control On-State Voltage (Max.)

1 V

ON/OFF Control Pull-Up Voltage (Typ.)

5 V

ON/OFF Control Pull-Up Voltage (Notes & Conditions)

Application notes Figures A & B

ON/OFF Control Pull-Up Resistance (Typ.)

82.5 k Ohm

Features

High efficiency (87% at full load) with minimal power derating and no external heatsink required.

Wide 34-75V input range utilizing fixed-frequency switching for predictable EMI performance.

Enhanced control suite featuring remote sense, +/-10% output voltage trim, and input-side on/off control.

Operational flexibility with no minimum load requirement and integrated active back bias limiting.

Robust protection features including input UVLO/OVSD, output current limiting, short-circuit protection, and thermal shutdown.

Compact industry-standard sixteenth-brick form factor with an optional flanged baseplate.

Full compliance with UL/EN 62368-1 safety standards and RoHS directives.

Applications

Industrial and Transportation applications