Data Sheet: Veta
iHA48040A033V*, 3.3V/40A Output Half Brick Series
©2007 TDK Innoveta Inc.
iHA Datasheet 040207
8/17
Electrical Characteristics (continued):
iHA48040A033V-001 Current Limit
0
1
2
3
4
5 10 15 20 25 30 35 40 45 50
Output Current (A)
Output Voltage (V)
Vin = 36V Vin = 48V Vin = 75V
Ta = 25 Deg C.
iHA48040A033V-001 Typical Output Current Limit
Characteristics vs. Input Voltage at Ta=25 degrees.
iHA48040A033V-001 Typical Output Ripple at nominal
Input voltage and full load with external capacitors
47uF+1uF+0.1uF at Ta=25 degrees
Input Current Vs. Input Voltage
0
1
2
3
4
5
30 35 40 45 50 55 60 65 70 75
Input Voltage (V)
Input Current (A)
Io_min = 4.02A Io_mid = 20.12A Io_max = 40.04A
Ta = 25 Deg C.
Output Voltage Vs. Input Voltage
0
1
2
3
4
30 32 34 36 38
Input Voltage (V)
Output Voltage (V)
Io_min = 4.02A Io_mid = 20.12A Io_max = 40.04A
Ta = 25 Deg C.
turn-off
turn-on
iHA48040A033V-001 Typical Input Current vs. Input
Voltage Characteristics at Ta=25 degrees.
iHA48040A033V-001 Typical Output Voltage vs. Input
Voltage Turn-on / Turn-off Characteristics – low voltage at
Ta=25 degrees.
Output Voltage Vs. Input Voltage
0
1
2
3
4
76 78 80
Input Voltage (V)
Output Voltage (V)
Vin decreasing
turn-on
Vin increasing
turn-off
%
Change
of Vout
Trim
Down
Resistor
(Kohm)
%
Change
of Vout
Trim Up
Resistor
(Kohm)
-3% 31.33K +3% 57.16K
-5% 18K +5% 34.57K
-10% 8K +10% 17.63K
e.g. trim up 5%
)(57.34
1%)51(2
225.1
3.3
Ω=
++⋅
−
= kR
up
iHA48040A033V-001 Typical Output Voltage vs. Input
Voltage Turn-on / Turn-off Characteristics – high
voltage at Ta=25 degrees.
iHA48040A033V-001 Calculated resistor values for output
voltage adjustment
