Data Sheet: Powereta
TM
iQP Series –Single Output Quarter Brick
©2006 TDK Innoveta Inc.
iQP 3.3V/70A Datasheet 8/3/2006
℡
877
498-0099
5/15
Electrical Data:
iQP48070A033V-000 through -0x9: 3.3V, 70A, 231W Output
Characteristic Min Typ Max Unit Notes & Conditions
Output Voltage Initial Setpoint 3.23 3.3 3.37 Vdc Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Output Voltage Tolerance 3.20 3.3 3.40 Vdc
Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency --- 91.5 --- % Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Line Regulation --- 1 6.6 mV Vin=Vin,min to Vin,max, Io and Tc fixed
Load Regulation --- 1 6.6 mV Io=Io,min to Io,max, Vin and Tc fixed
Temperature Regulation --- 7 60 mV Tc=Tc,min to Tc,max, Vin and Io fixed
Output Current 7 --- 70 A
At Io < Io,min, the module will continue to
regulate the output voltage, but the load
transient performance may degrade slightly
Output Current Limiting Threshold --- 77.5 --- A Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current --- 1 --- A Vo = 0.25V, Tc = 25
--- 40 80
mVpp
Output Ripple and Noise Voltage
--- 8 --- mVrms
Vin=48V, Io ≥ Io,min, Tc=25˚C. Measured
across one 0.1uF, one 1.0 uF, and one
47uF ceramic capacitors, and one 1000uF
electrolytic capacitor located 2 inches away
– see input/output ripple measurement
figure; BW = 20MHz
Output Voltage Adjustment Range 80 --- 110 %Vo,nom
Vin ≥ 38V for trim-up operation
Output Voltage Sense Range --- --- 10 %Vo,nom
Dynamic Response:
Recovery Time to 10% of Peak Deviation
Transient Voltage
---
---
500
200
---
---
µS
mV
di/dt = 0.1A/uS, Vin=Vin,nom; load step
from 50% to 75% of Io,max, Tc=25˚C with at
least one 1.0 uF, one 47uF ceramic
capacitors, and one 1000uF electrolytic
capacitor across the output terminals
Output Voltage Overshoot during startup 0 0 --- mV Vin=Vin,nom; Io=Io,max,Tc=25˚C
Switching Frequency --- 135 --- kHz Fixed
Output Over Voltage Protection 3.8* 4.08 4.4* V
External Load Capacitance 1000 ---
40,000
†
uF
Cext,min required for the 100% load dump.
Minimum ESR > 2 mΩ
Isolation Capacitance --- 1000 --- pF
Isolation Resistance 15 --- --- MΩ
Vref 1.225 V Required for trim calculation
* Engineering Estimate
† Contact TDK Innoveta for applications that require additional capacitance or very low ESR
(16 pages)
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