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 5/15

Electrical Data:

iQM48070A015V-000 through -009: 1.5V, 70A Output

Characteristic Min Typ Max Unit Notes & Conditions

Output Voltage Initial Setpoint 1.47 1.5 1.53 Vdc Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Output Voltage Tolerance 1.45 1.5 1. 55 Vdc Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency --- 82 --- % Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Line Regulation --- 1 5.0* mV Vin=Vin,min to Vin,max, Io and Tc fixed
Load Regulation --- 1 7.0* mV Io=Io,min to Io,max, Vin and Tc fixed
Temperature Regulation --- 10 50* mV Tc=Tc,min to Tc,max, Vin and Io fixed
Output Current 7 --- 70 A
At loads less than Io,min the module will
continue to regulate the output voltage, but
the output ripple may increase
Output Current Limiting Threshold --- 75 --- A Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current --- 2 --- A Vo = 0.25V, Tc = 25
--- 60 100* mVpp
Output Ripple and Noise Voltage
--- 10 --- mVrms
Vin=48V, Io≥Io,min, Tc=25˚C. Measured
across one 0.1uF, one 1.0 uF, and one
47uF ceramic capacitors located 2 inches
away – see input/output ripple
measurement figure; BW = 20MHz
Output Voltage Adjustment Range 80 --- 110 %Vo,nom
Output Voltage Sense Range --- --- 10 %Vo,nom
Dynamic Response:
Recovery Time to 10% of Peak Deviation
Transient Voltage
---
---
250
100
---
---
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 and one 47uF ceramic
capacitors across the output terminals
Output Voltage Overshoot during startup 0 0 --- mV Vin=Vin,nom; Io=Io,max,Tc=25˚C
Switching Frequency --- 140 --- kHz Fixed
Output Over Voltage Protection 1.80* 1.83 2.10* V
External Load Capacitance 48 --- 50,000 † uF Minim um ESR > 2.5 mΩ
Isolation Capacitance --- 1000 --- pF
Isolation Resistance 10 --- --- MΩ
Vref 1.225 V Required for trim calc ulation
* Engineering Estimate
† Contact TDK Innoveta for applications that require additional capacitance or very low ESR