TDK iQM Series Data Sheet: SuperetaTM iQM Series Single Output Quarter Brick , Electrical Characteristics:

Data Sheet: SuperetaTM iQM Series –Single Output Quarter Brick
©2004-2006 TDK Innoveta Inc.
iQM 1.5V/70A Datasheet 8/4/2006
℡
(
877
)
498-0099 6/15
Electrical Characteristics: iQM48070A015V-000 through -009: 1.5V, 70A Output
Efficiency vs. Input Voltage at Ta=25C, No Heat Sink Power Dissipation vs. Input Voltage at Ta=25C, No
Heat Sink
Start-up from on/off Switch, 48Vin, Full Load, Cext,min.
Ch. 1: Vo Ch. 2: ON/OFF Ch. 3: Vin Ch. 4: Io
Typical Input Current vs. Input Voltage Characteristics
Start-up from Nominal Vin, Full Load, and Cext, min.
Ch. 1: Vo Ch. 2: ON/OFF Ch. 3: Vin Ch. 4: Io
Load Transient Response. Load Step from 50% to 75%
of Full Load with di/dt= 0.1A/uS. Ch. 1: Vo Ch. 4: Io
78
80
82
84
86
88
90
10 15 20 25 30 35 40 45 50 55 60 65 70
Output Current (A)
Efficienc
y
(
%
)
Vin = 36V V in = 48V Vin = 75V
0
5
10
15
20
25
10 15 20 25 30 35 40 45 50 55 60 65 70
Output Current (A)
Power Dissi
p
ation
(
W
)
Vin = 36V V in = 48V Vin = 75V
0
1
2
3
4
5
30 35 40 45 50 55 60 65 70 75
Input Voltage (V)
In
p
ut Current
(
A
)
Io_min = 7A Io_mid = 35A Io_max = 70.7A Series4