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Data sheet: powereta, Iqp series –single output quarter brick, Electrical data – TDK Powereta iQP Series User Manual

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Data Sheet: Powereta

TM

iQP Series –Single Output Quarter Brick

©2005-2006 TDK Innoveta Inc.
iQP 12V/21A Datasheet 8/3/2006

(877) 498-0099

5/15



Electrical Data:

iQP48021A120V-000 through -0x9: 12V, 21A, 252W 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

---

92

---

%

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

---

2

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

2.1

---

21

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

---

23.5

---

A

Vo = 0.9*Vo,nom, Tc

Short Circuit Current

---

1

---

A

Vo = 0.25V, Tc = 25

--- 110

200*

mVpp

Output Ripple and Noise Voltage

--- 30 ---

mVrms

Vin=48V, Io

≥ Io,min, Tc=25˚C. Measured

across one 0.1uF, one 1.0 uF, and one
47uF ceramic capacitors, and one 1000uF
electrolytic capacitor located 2 inches away
– see input/output ripple measurement
figure; BW = 20MHz

Output Voltage Adjustment Range

80

---

110

%Vo,nom

Output Voltage Sense Range

---

---

10

%Vo,nom

Dynamic Response:

Recovery Time to 10% of Peak Deviation

Transient Voltage



---

---


100

125



---

---


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
capacitors, and one 1000uF electrolytic
capacitor across the output terminals

Output Voltage Overshoot during startup

0

0

---

mV

Vin=Vin,nom; Io=Io,max,Tc=25˚C

Switching Frequency

---

125

---

kHz

Fixed

Output Over Voltage Protection

13.8*

14.5

15.4*

V

External Load Capacitance

1000

---

10,000

uF

Cext,min required for the 100% load dump.
Minimum ESR > 2.5 m

Isolation Capacitance

---

1000

---

pF

Isolation Resistance

15

---

---

MΩ

Vref

1.225

V

Required for trim calculation


* Engineering Estimate

Contact TDK Innoveta for applications that require additional capacitance or very low ESR