Electrical data – TDK Dualeta iQA Series User 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
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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<Tc,max
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.