TDK Dualeta iQA Series - Manual (Page 5)

Advance Data Sheet: Dualeta™ iQA Series – Dual Quarter Brick
©2002-2005 TDK Innoveta Inc.
iQAFullDatasheet080505 2.doc 8/3/2006
℡ (877) 498-0099 5/19
Electrical Data:
iQA48015A033M: 3.3V/2.5V, 15A Output
Characteristic Min Typ Max Unit Notes & Conditions
Output Voltage Initial Setpoint
Vout1
Vout2
3.25
2.46 3.3
2.5 3.35
2.54 Vdc
Vdc
Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Output Voltage Tolerance
Vout1
Vout2
3.20
2.42 3.3
2.5 3.40
2.58 Vdc
Vdc
Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency
83* 85 --- % Vin=Vin,nom; Io1=7.5A, Io2=7.5A;
Tc = 25˚C
Line Regulation --- 2 5* mV Vin=Vin,min to Vin,max
Load Regulation --- 5 15* mV Io=Io,min to Io,max
Temperature Regulation --- 10 75* mV Tc=Tc,min to Tc,max
Output Current
0 --- 15 A Sum of output currents, Io1+Io2
Output Current Limiting Threshold
--- 19 --- A Vo1 = 0.9*Vo,nom, Tc
Short Circuit Current
--- 3 --- A Vo = 0.25V, Tc = 25˚C; average output
current in current limit hiccup mode
---
--- 30
25 80
70 mVpp
mvpp
Output Ripple and Noise Voltage
Vout1
Vout2
Vout1
Vout2
---
--- 10
10 ---
--- mVrms
mVrms
Measured with 47uF Tantalum and 1uF
ceramic external capacitance – see
input/output ripple measurement figure; BW =
20MHz
Output Voltage Adjustment Range
Tracking trim option
90 --- 110 %Vout,nom
%Vout,nom
Dynamic Response:
Recovery Time
Transient Voltage
---
---
0.1
80
---
---
mS
mV
di/dt = 0.1A/uS, Vin=Vin,nom; load step from
50% to 75% of Io,max, either output
Output Voltage Overshoot during startup
Vout1
Vout2
---
--- 250
150 ---
--- mV
mV
Io=Io,max,Tc=25˚C
Switching Frequency --- 280 --- kHz Fixed
Output Over Voltage Protection
Tracking trim option
Vo1
Vo2
3.7
2.9 ---
--- 5.0*
4.0* V
V
External Load Capacitance 0 --- 5000*& uF
Isolation Capacitance --- 1000 --- pF
Isolation Resistance 10 --- --- MΩ
*Engineering Estimate
& Contact Innoveta for applications that require additional capacitance or very low ESR capacitor banks.