Filter
Top Products
Data Sheet: Supereta
TM
iQN Series –Single Output Quarter Brick
©2005-2006 TDK Innoveta Inc.
iQN 35V/6A/-0A9 Datasheet Issue 1.2 4/8/2008
℡
(877) 498
-
0099
5/15
Electrical Data:
iQN48006A350V-000 through -0A9: 35V, 6A Output
Characteristic Min Typ Max Unit Notes & Conditions
Output Open Circuit Voltage Set-point 34.65 35 35.35 Vdc Vin=Vin,min to Vin,max, Io=0A, Tc = 25˚C
Output Voltage Initial Set-point Tolerance 34.48 35 35.53 Vdc
Over all rated input voltage and temperature
conditions with Io=0A to end of life
Efficiency --- 90 --- % Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Line Regulation --- 50 100* mV Vin=Vin,min to Vin,max, Io and Tc fixed
Droop Rate --- 771 --- mV/A Vin=Vin,min to Vin,max, Tc = 25˚C
Temperature Regulation --- 125 300* mV Tc=Tc,min to Tc,max, Vin and Io fixed
Load Share Accuracy -10 --- +10 % 50% to 100% rated load current, Tc = 25˚C
Output Current 0 --- 6 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 --- 6.5 --- A Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current 0 0 --- A Latch off
--- 120 250
mVpp
Output Ripple and Noise Voltage
--- 10 30 mVrms
Vin=48V, Io≥Io,min, Tc=25˚C. Measured
across one 0.1uF, one 1.0 uF, one 47uF
ceramic, and a 68uF low esr aluminum
electrolytic capacitors located 2 inches
away – see input/output ripple
measurement figure; BW = 20MHz
Output Voltage Adjustment Range 17 --- 35** V
Note: Trim up 10% is possible, but the load
current needs to be reduced
Output Voltage Remote Sense Range --- --- 10 %Vo,nom
Dynamic Response:
Recovery Time to 10% of Peak Deviation
Transient Voltage
---
---
800
350
---
---
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
68uF low esr aluminum electrolytic
capacitors across the output terminals.
Note: Exclude the droop.
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 38.9 39.7 41.1 V
External Load Capacitance 68 ---
5,000
†
uF
Minimum ESR > 2.5 mΩ. Tc=25˚C
Isolation Capacitance --- 1000 --- pF
Isolation Resistance 10 --- --- MΩ
Vref 2.5 V Required for trim calculation
* Engineering Estimate
** Trim up is possible, but the load current needs to be reduced. Contact TDK Innoveta for details
†
Contact TDK Innoveta for applications that require additional capacitance or using capacitors with very low ESR