Data Sheet: Veta® iHA48040A033V*, 3.3V/40A Output Half Brick Series
Electrical Data (continued):
Operating at Tc = 25°C unless otherwise specified
Output Characteristic | Min |
| Typ |
| Max |
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| Unit |
| Notes & Conditions |
Output Voltage Initial Setpoint | 3.25 |
| 3.3 |
| 3.35 |
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| Vdc |
| Vin=Vin,nom; Io=Io,max; |
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Output Voltage Tolerance | 3.2 |
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| 3.4 |
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| Vdc |
| Over all rated input voltage, load, and | |
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| temperature conditions to end of life |
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Efficiency |
| 91.5 |
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| Vin=Vin,nom; Io=Io,max; | |||
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Line Regulation |
| 2 |
| 6* |
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| mV |
| Vin=Vin,min to Vin,max | |
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Load Regulation |
| 6 |
| 10* |
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| mV |
| Io=Io,min to Io,max | |
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Temperature Regulation |
| 10 |
| 30* |
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| mV |
| Tc=Tc,min to Tc,max | |
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Output Current | 0 |
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| 40 |
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| A |
| At loads less than 25% of Io,max the module | |
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| will continue to regulate the output voltage, |
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| but the output ripple may increase |
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Output Current Limiting Threshold | 40.6 |
| 46 |
| 60 |
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| A |
| Vo = 0.9*Vo,nom, Tc<Tc,max |
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Short Circuit Current |
| 60 |
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| A |
| Vo = 0.25V | ||
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Output Ripple and Noise Voltage |
| 40 |
| 55 |
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| Measured across one 47uF, one 1uF and | |
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| one 0.1uF ceramic capacitors – see |
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| input/output ripple measurement figure; BW = |
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| 20MHz |
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| 10 |
| 15 |
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Output Voltage Adjustment Range | 50 |
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| 110 |
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| %Vo,nom |
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Output Voltage Sense Range |
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| 10 |
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Dynamic Response: |
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| di/dt = 0.1A/uS, Vin=Vin,nom; load step from |
Recovery Time |
| 0.25 |
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| mS |
| 50% to 75% of Io,max. | ||
Transient Voltage |
| 100 |
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| mV |
| For applications with large step load changes | ||
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| and/or high di/dt load changes, please |
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| contact TDK Innoveta for support. |
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Output Voltage Overshoot during startup |
| 0 |
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| mV |
| Io=Io,max | ||
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Switching Frequency |
| 300 |
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| kHz |
| Fixed | ||
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Output Over Voltage Protection |
| 4.0 |
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| V |
| All line, load, and temperature conditions | ||
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External Load Capacitance | 50 |
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| 60000** |
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| uF |
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Isolation Capacitance |
| 2000 |
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| pF |
| All line, load, and temperature conditions | ||
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Isolation Resistance | 10 |
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| MΩ |
| All line, load, and temperature conditions | ||
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Vref |
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| 1.225 |
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| V |
| Required for trim calculation |
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*Engineering Estimate
**Contact TDK Innoveta for applications that require additional capacitance
Caution: The power modules are not internally fused. An external input line normal blow fuse with a maximum value of 10A is required, see the Safety Considerations section of the data sheet.
©2007 TDK Innoveta Inc. | ' (877) |
iHA Datasheet 040207 | 6/17 |
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