TDK iHA48040A033V* , , Data Sheet: Veta iHA48040A033V*, 3.3V/40A Output Half Brick Series , , Electrical Data (continued):

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<Tc,max

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

---

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 --- --- 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 10A is required, see

the Safety Considerations section of the data sheet.