Data sheet: powereta, Iqp series –single output quarter brick, Electrical data – TDK Powereta iQP Series User Manual
Page 5
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<Tc,max
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
Ω
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