Data Sheet: Supereta
TM
iQM Series –Single Output Quarter Brick
©2004-2006 TDK Innoveta Inc.
iQM 1.5V/70A Datasheet 8/4/2006
℡
(877) 498-0099
5/15
Electrical Data:
iQM48070A015V-000 through -009: 1.5V, 70A Output
Characteristic
Min
Typ
Max
Unit
Notes & Conditions
Output Voltage Initial Setpoint
1.47
1.5
1.53
Vdc
Vin=Vin,nom; Io=Io,max; Tc = 25
˚
C
Output Voltage Tolerance
1.45
1.5
1.55
Vdc
Over all rated input voltage, load, and
temperature conditions to end of life
Efficiency
---
82
---
%
Vin=Vin,nom; Io=Io,max; Tc = 25
˚
C
Line Regulation
---
1
5.0*
mV
Vin=Vin,min to Vin,max, Io and Tc fixed
Load Regulation
---
1
7.0*
mV
Io=Io,min to Io,max, Vin and Tc fixed
Temperature Regulation
---
10
50*
mV
Tc=Tc,min to Tc,max, Vin and Io fixed
Output Current
7
---
70
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
---
75
---
A
Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current
---
2
---
A
Vo = 0.25V, Tc = 25
---
60 100*
mVpp
Output Ripple and Noise Voltage
---
10
--- mVrms
Vin=48V, Io
≥
Io,min, Tc=25
˚
C. Measured
across one 0.1uF, one 1.0 uF, and one
47uF ceramic capacitors 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
---
---
250
100
---
---
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 and one 47uF ceramic
capacitors across the output terminals
Output Voltage Overshoot during startup
0
0
---
mV
Vin=Vin,nom; Io=Io,max,Tc=25
˚
C
Switching Frequency
---
140
---
kHz
Fixed
Output Over Voltage Protection
1.80*
1.83
2.10*
V
External Load Capacitance
48
---
50,000
†
uF
Minimum ESR > 2.5 m
Ω
Isolation Capacitance
---
1000
---
pF
Isolation Resistance
10
---
---
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
