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Advanced Data Sheet: Veta
iHA48060A012V*, 1.2V/60A Output Half Brick
Series
©2007
TDK Innoveta Inc.
iHA Datasheet 040207
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(877) 498
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0099
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Electrical Data (continued):
Operating at Tc = 25°C unless otherwise specified
Output Characteristic Min Typ Max Unit Notes & Conditions
Output Voltage Initial Setpoint 1.18 1.2 1.22 Vdc Vin=Vin,nom; Io=Io,max
Output Voltage Tolerance 1.16 -- 1.24 Vdc Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency --- 83 --- % Vin=Vin,nom; Io=Io,max
Line Regulation --- 1 2* mV Vin=Vin,min to Vin,max
Load Regulation --- 4 6* mV Io=Io,min to Io,max
Temperature Regulation --- 10 15* mV Tc=Tc,min to Tc,max
Output Current 0 --- 60 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
61 76 90 A Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current --- 76 --- A Vo = 0.25V
--- 55 60 mVpp Output Ripple and Noise Voltage
--- 15
18 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
35
---
---
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 --- 240 --- kHz Fixed
Output Over Voltage Protection --- 1.5 --- 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 --- ---
MΩ
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 20A is required, see
the Safety Considerations section of the data sheet.