Power modules – QSH-160/270/540
The QSH-160 / 270 / 540 power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 1000W. Input undervoltage protection. Refer to the selection table, pin assignments and application guidance for the selected configuration.
Input voltage (V)
Output voltage (V)
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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Power modules - QSH-160/270/540
The QSH-160 / 270 / 540 power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 1000W. Input undervoltage protection. Refer to the selection table, pin assignments and application guidance for the selected configuration.
- DC/DC isolated conversion
- Maximum output power: 1000W
- Input undervoltage protection
- Output overvoltage, overcurrent, short circuit, Overtemperature protection
- 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 | Package |
|---|---|---|---|---|---|---|---|
| QSH400-160S05NNM | 100 to 200 | 5 | 80 | 88/86 | 10000 | 100 | A |
| QSH560-160S28NNM | 100 to 200 | 28 | 20 | 93/92 | 20000 | 220 | A |
| QSH500-270S05NNM | 180 to 425 | 5 | 100 | 90/89 | 10000 | 100 | B |
| QSH840-270S12NNM | 180 to 425 | 12 | 70 | 94/93 | 10000 | 120 | C |
| QSH1000-270S15NNM | 180 to 425 | 15 | 66.7 | 94/93 | 10000 | 150 | C |
| QSH1000-270S18NNM | 180 to 425 | 18 | 55.6 | 94/93 | 10000 | 180 | C |
| QSH1000-270S24NNM | 180 to 425 | 24 | 41.67 | 95/94 | 10000 | 240 | C |
| QSH1000-270S28NNM | 180 to 425 | 28 | 35.7 | 95/94 | 10000 | 280 | C |
| QSH1000-270S36NNM | 180 to 425 | 36 | 27.8 | 95/94 | 10000 | 300 | C |
| QSH1000-270S48NNM | 180 to 425 | 48 | 20.83 | 95.5/95 | 10000 | 400 | C |
| QSH800D-540S12NNM | 350 to 700 | 12 | 66.7 | 94.5/94 | 10000 | 180 | D |
| QSH1000D-540S28NNM | 350 to 700 | 28 | 35.7 | 95.5/95 | 10000 | 280 | D |
| QSH1000D-540S48NNM* | 350 to 700 | 48 | 20.8 | 95.5/95 | 10000 | 360 | D |
Technical Data — QSH-160 / 270 / 540
| Characteristic | Test temperature | Min. | Typ. | Max. | Unit | Conditions |
|---|---|---|---|---|---|---|
| Input voltage range | Room, High, Low | 100 | 160 | 200 | V | QSH-160 series |
| Input voltage range | Room, High, Low | 180 | 270 | 425 | V | QSH-270 series, 400V or above, Output power derating 80% |
| Input voltage range | Room, High, Low | 350 | 540 | 700 | V | QSH-540 series, 350V to 380V due to the duty-cycle limit, output voltage varies linearly with input voltage, normal operating range: 380V to 700V |
| No-load power consumption | Room | — | 9 | — | W | QSH-160 series, input 160V, no output load |
| No-load power consumption | Room | — | 9 | — | W | QSH-270 series, input 270V, no output load |
| No-load power consumption | Room | — | 14.5 | — | W | QSH-540 series, input 540V, no output load |
| Output voltage adjustment range | Room | 80 | — | 110 | % | QSH-160 series, IO≤ maximum value and PO≤VO×IOmax, 28V Output trim-up 105% |
| Output voltage adjustment range | Room | 80 | — | 110 | % | QSH-270 series, IO≤ maximum value and PO≤VO×IOmax Input voltage 200V and above support trim-up |
| Output voltage adjustment range | Room | 80 | — | 110 | % | QSH-540 series, IO≤ maximum value and PO≤VO×IOmax, Input voltage 400V and above support trim-up |
| Line regulation | Room, High, Low | -1 | — | +1 | %Vo | QSH-540 series, input 380V to 700V, full load |
| Load regulation | Room, High, Low | -2 | — | +2 | %Vo | rated input voltage, full load range |
| Load transient response; Overshoot | Room | -5 | — | +5 | % | IO: 25%-50%-25%, 50%-75%-50%, di/dt=0.1A/µs, Frequency 500Hz, recovers to the specified regulation tolerance |
| Load transient response; Recovery time | Room | — | 500 | — | µs | IO: 25%-50%-25%, 50%-75%-50%, di/dt=0.1A/µs, Frequency 500Hz, recovers to the specified regulation tolerance |
| Turn-on delay a | Room | — | 150 | 200 | ms | time from power-on until output voltage reaches 10% time |
| Output voltage rise time a | Room | — | 50 | 100 | ms | output voltage from 10% rises to 90% time |
| Enable turn-on delay a | Room | — | 100 | 200 | ms | ENA time from power-on until output voltage reaches 10% time |
| Enable logic level (negative logic) referenced to input negative | Room | 3.5 | — | 12.0 | V | no output when high or open, see the application guide for control methods |
| Enable logic level (negative logic) referenced to input negative | Room | 0 | — | 0.7 | V | output enabled when grounded or low, see the application guide for control methods |
| Input undervoltage protection | Room | 75 | — | 98 | V | QSH-160 series, half load |
| Input undervoltage protection | Room | 140 | — | 178 | V | QSH-270 series, half load |
| Input undervoltage protection | Room | 325 | — | 345 | V | QSH-540 series, half load |
| Output overcurrent protection | Room | 105 | — | — | %IO | QSH-160 series, constant-current mode, automatic recovery |
| Output overcurrent protection | Room | 105 | — | — | %IO | QSH-270/540 series, constant-current limiting followed by hiccup mode, automatic recovery |
| Output short-circuit protection | Room | — | — | — | — | QSH-160 series, constant-current mode, automatic recovery QSH-270/540 series, hiccup mode, automatic recovery |
| Output overvoltage protection | Room | — | 125 | 150 | %VO | recovery QSH-160/270 series, hiccup mode, automatic recovery QSH-540 series, constant-voltage mode, automatic recovery |
| Isolation withstand voltage | Room | - | no breakdown, no flashover; QSH-160/270 series, input to output, 2250Vdc/60s/<3.5mA | |||
| Switching frequency | Room | — | 140 | — | kHz | QSH-540 series |
| Weight | / | — | 155 | — | g |
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, "*" product under development, contact technical support for details.
QSH-540 series, input to output, input-to-case withstand test at 1500Vac/60s/<3.5mA
Insulation resistance Room 100 — — MΩ 500Vdc, input, output, between each pair of terminals and case
a: typical model QSH1000-270S28NNM parameter values, values may differ for other models, contact technical support for details.
Outline & Mechanical Dimensions
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