Data Sheet: Powereta
TM
iQP Series –Single Output Quarter Brick
©2006 TDK Innoveta Inc.
iQP 3.3V/70A Datasheet 8/3/2006
℡
(877) 498-0099
5/15
Electrical Data:
iQP48070A033V-000 through -0x9: 3.3V, 70A, 231W Output
Characteristic
Min
Typ
Max
Unit
Notes & Conditions
Output Voltage Initial Setpoint
3.23
3.3
3.37
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
---
91.5
---
%
Vin=Vin,nom; Io=Io,max; Tc = 25
˚
C
Line Regulation
---
1
6.6
mV
Vin=Vin,min to Vin,max, Io and Tc fixed
Load Regulation
---
1
6.6
mV
Io=Io,min to Io,max, Vin and Tc fixed
Temperature Regulation
---
7
60
mV
Tc=Tc,min to Tc,max, Vin and Io fixed
Output Current
7
---
70
A
At Io < Io,min, the module will continue to
regulate the output voltage, but the load
transient performance may degrade slightly
Output Current Limiting Threshold
---
77.5
---
A
Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current
---
1
---
A
Vo = 0.25V, Tc = 25
--- 40 80
mVpp
Output Ripple and Noise Voltage
--- 8 ---
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
Vin
≥
38V for trim-up operation
Output Voltage Sense Range
---
---
10
%Vo,nom
Dynamic Response:
Recovery Time to 10% of Peak Deviation
Transient Voltage
---
---
500
200
---
---
µ
S
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
---
135
---
kHz
Fixed
Output Over Voltage Protection
3.8*
4.08
4.4*
V
External Load Capacitance
1000
---
40,000
†
uF
Cext,min required for the 100% load dump.
Minimum ESR > 2 m
Ω
Isolation Capacitance
---
1000
---
pF
Isolation Resistance
15
---
---
M
Ω
Vref
1.225
V
Required for trim calculation
* Engineering Estimate
†
Contact TDK Innoveta for applications that require additional capacitance or very low ESR
