Wide-input power modules (1/16 brick) – QSS-28/W24/W48
The QSS-28 / W24 / W48 power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 100W. Input undervoltage protection. Refer to the selection table, pin assignments and application guidance for the selected configuration.
Input voltage (V)
Output voltage (V)
Output current (A)
Ratings apply to the selected configuration. See the datasheet for test conditions and model designation notes.
Source markers *, a and b are footnotes, not part of the part number. See Technical Data for the corresponding notes.
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Wide-input power modules (1/16 brick) - QSS-28/W24/W48
The QSS-28 / W24 / W48 power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 100W. Input undervoltage protection. Refer to the selection table, pin assignments and application guidance for the selected configuration.
- DC/DC isolated conversion
- Maximum output power: 100W
- Input undervoltage protection
- Output overvoltage, overcurrent, short circuit, Overtemperature protection
- Single output
- Operating temperature (Tc): -55°C to 105°C
- Storage temperature: -55°C to 125°C
Product Selection
| Model | Input voltage (V) | Output voltage (V) | Output current (A) | Efficiency (%) half load / full load | Capacitive load (µF) max. | Ripple (mV) Typical |
|---|---|---|---|---|---|---|
| QSS40-W24S3R3SNM | 9 to 40 | 3.3 | 12.1 | 88/86 | 1000 | 50 |
| QSS60-W24S05SNM | 9 to 40 | 5 | 12 | 90/88 | 1000 | 60 |
| QSS60-W24S06SNM | 9 to 40 | 6 | 10 | 90/88 | 1000 | 60 |
| QSS60-W24S09SNM* | 9 to 40 | 9 | 6.67 | 90/88 | 1000 | 60 |
| QSS60-W24S12SNM | 9 to 40 | 12 | 5 | 90.5/89 | 1000 | 60 |
| QSS60-W24S15SNM | 9 to 40 | 15 | 4 | 90.5/90 | 1000 | 60 |
| QSS60-W24S24SNM | 9 to 40 | 24 | 2.5 | 90.5/90.5 | 680 | 120 |
| QSS60-W24S28SNM | 9 to 40 | 28 | 2.14 | 91/91 | 680 | 150 |
| QSS60-W24S48SNM | 9 to 40 | 48 | 1.25 | 88/90 | 470 | 200 |
| QSS80-W24S05SNM* | 9 to 40 | 5 | 16 | 89/87 | 1000 | 60 |
| QSS80-W24S12SNMa | 9 to 40 | 12 | 6.67 | 90/89 | 1000 | 60 |
| QSS80-W24S15SNMa* | 9 to 40 | 15 | 5.33 | 90/89 | 1000 | 60 |
| QSS80-W24S24SNM | 9 to 40 | 24 | 3.33 | 88.5/88 | 680 | 120 |
| QSS80-W24S28SNM | 9 to 40 | 28 | 2.86 | 90/89.5 | 680 | 150 |
| QSS80-W24S48SNM* | 9 to 40 | 48 | 1.67 | 87/89 | 470 | 200 |
| QSS80-W48S05SNM* | 18 to 75 | 5 | 16.00 | 89 | 2200 | 100 |
| QSS80-W48S12SNM | 18 to 75 | 12 | 6.67 | 91 | 1000 | 120 |
| QSS80-W48S28SNM | 18 to 75 | 28 | 2.86 | 91.5 | 1000 | 280 |
| QSS100-28S05SNM | 16 to 40 | 5 | 20.00 | 88/87 | 2200 | 120 |
| QSS100-28S12SNM | 16 to 40 | 12 | 8.34 | 91/89 | 1500 | 120 |
| QSS100-28S15SNM | 16 to 40 | 15 | 6.67 | 91/90 | 1500 | 120 |
| QSS100-28S24SNM | 16 to 40 | 24 | 4.17 | 91/90 | 1000 | 120 |
| QSS100-28S28SNMa | 16 to 40 | 28 | 3.57 | 91/90 | 1000 | 120 |
| QSS100-28S36SNM* | 16 to 40 | 36 | 2.78 | 91/90 | 470 | 200 |
| QSS100-28S48SNM* | 16 to 40 | 48 | 2.08 | 91/90 | 470 | 200 |
Technical Data — QSS-28 / W24 / W48
| Characteristic | Test temperature | Min. | Typ. | Max. | Unit | Conditions |
|---|---|---|---|---|---|---|
| Input voltage range | Room, High, Low | 9 | 24 | 40 | V | W24 series, see the product selection table |
| Input voltage range | Room, High, Low | 16 | 28 | 40 | V | 28 series, see the product selection table |
| Input voltage range | Room, High, Low | 18 | 48 | 75 | V | W48 series, see the product selection table |
| Input surge voltage | Room | — | — | 50 | V | Vt=100ms, W24/28 series, full load |
| Input surge voltage | Room | — | — | 80 | V | Vt=100ms, W48 series, full load |
| No-load power consumption a | Room | — | 2.2 | — | W | nominal input voltage, no output load |
| Output voltage adjustment range | Room, High, Low | 90 | — | 110 | %VO | Io≤ maximum value and Po≤Vo×Iomax |
| Line regulation | Room, High, Low | -1 | — | +1 | %VO | full input-voltage range, load is the maximum output current after low-input-voltage derating |
| Load regulation | Room, High, Low | -1 | — | +1 | %VO | full load range, 6V output and below: load regulation ±2% |
| Turn-on delay a | Room | — | 10 | — | ms | time from power-on until output voltage reaches 10% time |
| Output voltage rise time a | Room | — | 8 | — | ms | output voltage from 10% rises to 90% time |
| Enable turn-on delay a | Room | — | 9 | — | ms | time from enable assertion until output voltage reaches 10% time |
| Enable logic level (negative logic) | Room | 0 | — | 0.7 | V | output enabled, see the application guide for control methods |
| Enable logic level (negative logic) | Room | 3.5 | — | 12 | V | no output when open or high, see the application guide for control methods |
| Enable logic level (positive logic) | Room | 0 | — | 0.7 | V | no output, see the application guide for control methods |
| Enable logic level (positive logic) | Room | 3.5 | — | 12 | V | output enabled when open or high, see the application guide for control methods |
| Input undervoltage protection | Room | 6 | — | 8.8 | V | half load, W24 series |
| Input undervoltage protection | Room | 11 | — | 15.8 | V | half load, 28 series |
| Input undervoltage protection | Room | 14 | — | 17.8 | V | half load, W48 series |
| Output overcurrent protection | Room | 110 | — | — | %IO | hiccup mode, automatic recovery after overcurrent removal |
| Output short-circuit protection | Room | — | hiccup mode, automatic recovery after removal of the short circuit | |||
| Output overvoltage protection b | Room | — | 130 | — | %VO | voltage-clamping mode |
| Output short-circuit protection | Room | — | — | — | — | 28/W24/W48 series hiccup mode, automatic recovery after removal of the short circuit |
| Isolation withstand voltage | Room | - | no breakdown, no flashover; input to output, 1500Vdc/60s/<3.5mA | |||
| Insulation resistance | Room | 100 | — | — | MΩ | 500Vdc, input, output, between each pair of terminals and case |
| Switching frequency a | Room | — | 300 | — | kHz | |
| Weight | / | — | 40 | — | g | S case type |
Note: 1, for other temperature-screening grades, use the corresponding model designation rules when ordering, contact technical support for details; 2, electrical data and mechanical dimensions in this manual are for product selection reference, the detailed product specification governs the final requirements; 3, see the typical application circuit for the ripple measurement method; 4, "a" the interval between power-off and the next power-on must exceed 3s; 5, "*" product under development, contact technical support for details.
a: typical model QSS60-W24S12SNM measured value, values may differ for other models, contact technical support for details b.: 48V no overvoltage protection.
Outline & Mechanical Dimensions
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