Data Sheet: Belleta
®
iEA Series –Single Output Eighth Brick
©2004 TDK Innoveta® Inc.
iEAFullDatasheet 032707 3/29/2007 Revision 2.0
℡
(877) 498-0099
15/41
Electrical Data:
iEA48020A033V-000 through -015: 3.3V, 20A Output
Characteristic
Min
Typ
Max
Unit
Notes & Conditions
Output Voltage Initial Setpoint
3.25
3.3
3.35
Vdc
Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Output Voltage Tolerance
3.20
3.3
3.40
Vdc
Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency
---
89.5
---
%
Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Line Regulation
---
2
7
mV
Vin=Vin,min to Vin,max
Load Regulation
---
3
8
mV
Io=Io,min to Io,max
Temperature Regulation
---
15
60
mV
Tc=Tc,min to Tc,max
Output Current
1.5
---
20
A
At loads less than Io,min the module will
continue to regulate the output voltage, but
the output ripple may increase
Output Current Limiting Threshold
---
29
---
A
Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current
---
20
---
A
Vo = 0.25V, Tc = 25˚C
---
35
100
mVpp
Output Ripple and Noise Voltage
---
11
---
mVrms
Measured across one 1.0 uF ceramic
capacitor and a 10uF tantalum capacitor –
see input/output ripple measurement figure;
BW = 20MHz
Output Voltage Adjustment Range
90
---
110
%Vo,nom
The trim range is reduced to 105% when
the input voltage is below 40V.
Output Voltage Sense Range
---
---
10
%Vo,nom
The sense range is reduced to 5% when the
input voltage is below 40V.
Dynamic Response:
Recovery Time
Transient Voltage
---
---
90
180
---
---
uS
mV
di/dt = 0.1A/uS, Vin=Vin,nom; load step
from 50% to 75% of Io,max
Output Voltage Overshoot during startup
---
---
165
mV
Vin=Vin,nom; Io=Io,max,Tc=25˚C
Switching Frequency
---
400
---
kHz
Fixed
Output Over Voltage Protection
3.75
---
4.4
V
External Load Capacitance
100
---
5000&
uF
Recommend TDK part C3225X5R0J107MT
Isolation Capacitance
---
1000
---
pF
Isolation Resistance
10
---
---
MΩ
Vref
1.225
V
Required for trim calculation
& Contact TDK Innoveta for applications that require additional capacitance or very low esr
