Power modules – QMJA/QMJB
The QMJA / QMJB power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 1W. Single output. Refer to the selection table, pin assignments and application guidance for the selected configuration.
Output voltage (V)
Output current (A)
Mechanical package type
Ratings apply to the selected configuration. See the datasheet for test conditions and model designation notes.
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Power modules - QMJA/QMJB
The QMJA / QMJB power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 1W. Single output. Refer to the selection table, pin assignments and application guidance for the selected configuration.
- DC/DC isolated conversion
- Maximum output power: 1W
- Single output
- The output requires the minimum load current
- 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 (%) Typical | Capacitive load (µF) max. | Ripple (mV) Typical | Mechanical size code |
|---|---|---|---|---|---|---|---|
| QMJA1-5S3R3SXM | 4.5 to 5.5 | 3.3 | 0.03 to 0.3 | 80 | 100 | 20 | QMJA |
| QMJA1-5S05SXM | 4.5 to 5.5 | 5.0 | 0.02 to 0.2 | 84 | 100 | 40 | QMJA |
| QMJA1-5S12SXM | 4.5 to 5.5 | 12.0 | 0.008 to 0.083 | 83 | 100 | 70 | QMJA |
| QMJB1-5S3R3SXM | 4.5 to 5.5 | 3.3 | 0.03 to 0.3 | 80 | 100 | 20 | QMJB |
| QMJB1-5S05SXM | 4.5 to 5.5 | 5.0 | 0.02 to 0.2 | 84 | 100 | 40 | QMJB |
| QMJB1-5S12SXM | 4.5 to 5.5 | 12.0 | 0.008 to 0.083 | 83 | 100 | 70 | QMJB |
Technical Data — QMJA / QMJB
| Characteristic | Test temperature | Min. | Typ. | Max. | Unit | Conditions |
|---|---|---|---|---|---|---|
| Input voltage range | Room, High, Low | 4.5 | 5 | 5.5 | V | see the product selection table |
| Output voltage range | Room, High, Low | -10 | — | +10 | %VO | nominal input, Minimum load to full load |
| No-load power consumption a | Room | — | 0.04 | — | W | rated input voltage, no output load |
| Line regulation | Room, High, Low | -2 | — | +2 | %VO | full input-voltage range, input-voltage change ±1% |
| Load regulation | Room, High, Low | -15 | — | +15 | %VO | 10% load to full load |
| Turn-on delay a | Room | — | 1 | — | ms | time from power-on until output voltage reaches 10% time |
| Output voltage rise time a | Room | — | 0.3 | — | ms | output voltage from 10% rises to 90% time |
| Isolation withstand voltage | Room | - | no breakdown, no flashover; input to output, 500Vdc/60s/<3.5mA | |||
| Insulation resistance | Room | 100 | — | — | MΩ | 500Vdc, input, output, between each pair of terminals and case |
| Weight | / | — | 2.2 | — | 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.
a: typical model QMJA1-5S05SXM time, values may differ for other models, contact technical support for details.
Outline & Mechanical Dimensions
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