TDK Veta iHA48040A033V* - Manual (Page 6)

Data Sheet: Veta  iHA48040A033V*, 3.3V/40A Output Half Brick Series
©2007 TDK Innoveta Inc.
iHA Datasheet 040207
' (877) 498-0099
6/17
Electrical Data (continued):
Operating at Tc = 25°C unless otherwise specified
Output Characteristic Min Typ Max Unit Notes & Conditions
Output Voltage Initial Setpoint
3.25 3.3 3.35 Vdc Vin=Vin,nom; Io=Io,max;
Output Voltage Tolerance
3.2 --- 3.4 Vdc Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency
--- 91.5 --- % Vin=Vin,nom; Io=Io,max;
Line Regulation --- 2 6* mV Vin=Vin,min to Vin,max
Load Regulation --- 6 10* mV Io=Io,min to Io,max
Temperature Regulation --- 10 30* mV Tc=Tc,min to Tc,max
Output Current
0 --- 40 A At loads less than 25% of Io,max the module
will continue to regulate the output voltage,
but the output ripple may increase
Output Current Limiting Threshold
40.6 46 60 A Vo = 0.9*Vo,nom, Tc
Short Circuit Current
--- 60 --- A Vo = 0.25V
--- 40 55 mVpp Output Ripple and Noise Voltage
--- 10 15 mVrms
Measured across one 47uF, one 1uF and
one 0.1uF ceramic capacitors – see
input/output ripple measurement figure; BW =
20MHz
Output Voltage Adjustment Range 50 --- 110 %Vo,nom
Output Voltage Sense Range --- --- 10 %Vo,nom
Dynamic Response:
Recovery Time
Transient Voltage
---
---
0.25
100
---
---
mS
mV di/dt = 0.1A/uS, Vin=Vin,nom; load step from
50% to 75% of Io,max.
For applications with large step load changes
and/or high di/dt load changes, please
contact TDK Innoveta for support.
Output Voltage Overshoot during startup --- 0 --- mV Io=Io,max
Switching Frequency --- 300 --- kHz Fixed
Output Over Voltage Protection --- 4.0 --- V All line, load, and temperature conditions
External Load Capacitance 50 --- 60000** uF
Isolation Capacitance --- 2000 --- pF All line, load, and temperature conditions
Isolation Resistance 10 --- --- M
Ω All line, load, and temperature conditions
Vref 1.225 V Required for trim calculation
* 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.