beautypg.com

Electrical data – TDK Dualeta iQA Series User Manual

Page 9

background image

Advance Data Sheet: Dualeta™ iQA Series – Dual Quarter Brick

©2002-2005 TDK Innoveta Inc.
iQAFullDatasheet080505 2.doc 8/3/2006

(877) 498-0099

9/19

Electrical Data:

iQA48015A050M: 5V/3.3V, 15A Output

Characteristic

Min

Typ

Max

Unit

Notes & Conditions

Output Voltage Initial Setpoint
Vout1
Vout2

4.92
3.25

5

3.3

5.08
3.35

Vdc
Vdc

Vin=Vin,nom; Io=Io,max; Tc = 25˚C

Output Voltage Tolerance
Vout1
Vout2

4.85

3.2

5

3.3

5.15

3.4

Vdc
Vdc

Over all rated input voltage, load, and
temperature conditions to end of life

Efficiency

86*

87.5

---

%

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

---

17

---

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

---
---

40
35

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
Dual independent trim – standard
Tracking trim option

1.5

90

---
---

5.5

110

Vdc

%Vout,nom

Vout2 < (Vo1-0.3V)
Either output
%Vout,nom

Dynamic Response:
Recovery Time

Transient Voltage

---

---

0.1

100

---

---

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
Dual independent trim – standard
Vo1
Vo2
Tracking trim option
Vo1
Vo2


5.6

---

5.6
3.7


---

Vo1

---
---


6.7*

---

7.5*
5.2*


V
V

V
V



External Load Capacitance

0

---

5000*&

uF

Isolation Capacitance

---

1000

---

pF

Isolation Resistance

10

---

---

MΩ

*Engineering Estimate
& Contact TDK Innoveta for applications that require additional capacitance or very low ESR capacitor banks.