TDK Supereta iQM Series - Manual (Page 5)

Data Sheet: Supereta
TM
iQM Series –Single Output Quarter Brick
©2004-2006 TDK Innoveta Inc.
iQM 12V/17A Datasheet 8/4/2006 ℡ (877) 498-0099
5/15
Electrical Data:
iQM48017A120V-000 through -009: 12V, 17A Output
Characteristic Min Typ Max Unit Notes & Conditions
Output Voltage Initial Setpoint 11.7 12 12.3 Vdc Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Output Voltage Tolerance 11.6 12 12.4 Vdc
Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency --- 90.5 --- % Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Line Regulation --- 3 24* mV Vin=Vin,min to Vin,max, Io and Tc fixed
Load Regulation --- 3 24* mV Io=Io,min to Io,max, Vin and Tc fixed
Temperature Regulation --- 25 100* mV Tc=Tc,min to Tc,max, Vin and Io fixed
Output Current 3 --- 17 A
At loads less than Io,min the module will
continue to regulate the output voltage, but
the output ripple may increase slightly
Output Current Limiting Threshold --- 18.8 --- A Vo = 0.9*Vo,nom, Tc
Short Circuit Current --- 0.1 --- A Vo = 0.25V, Tc = 25
--- 60 120
mVpp
Output Ripple and Noise Voltage
--- 15 --- mVrms
Vin=48V, Io ≥Io,min, Tc=25˚C. Measured
across one 0.1uF, one 1.0 uF, one 47uF
ceramic, and a 470uF low esr aluminum
electrolytic capacitors located 2 inches
away – see input/output ripple
measurement figure; BW = 20MHz
Output Voltage Adjustment Range 80 --- 110 %Vo,nom Note: Trim down to 60% is possible
Output Voltage Sense Range --- --- 10 %Vo,nom
Dynamic Response:
Recovery Time to 10% of Peak Deviation
Transient Voltage
---
---
800
300
---
---
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, and a
470uF low esr aluminum electrolytic
capacitors across the output terminals
Output Voltage Overshoot during startup 0 0 --- mV Vin=Vin,nom; Io=Io,max,Tc=25˚C
Switching Frequency --- 155 --- kHz Fixed
Output Over Voltage Protection 13.8 14.5 15.2 V
External Load Capacitance 470 --- 4,400 † uF
Minimum ESR > 2.5 m Ω. Tc=25˚C
Isolation Capacitance --- 1000 --- pF
Isolation Resistance 10 --- --- MΩ
Vref 1.225 V Required for trim calculation
* Engineering Estimate
† Contact TDK Innoveta for applications that require additional capacitance or using capacitors with very low ESR