Technical Specification
IQ90018HPC60 electrical Characteristics (1.8 Vout)
Input:
Output:
Current:
Part no.:
34 - 160 V
1.8 V
60 A
IQ90018HPC60
Ta = 25 °C, airflow rate = 300 LFM, Vin = 90 V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate
temperature with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
typ.
Max.
Units notes & Conditions
InPUt CHARACteRIStICS
Maximum Input Current
5.0
A
Vin min; trim up; in current limit
No-Load Input Current
40
50
mA
Disabled Input Current
2.5
4
mA
Response to Input Transient
0.08
V
See Figure 6
Input Terminal Ripple Current
230
mA
RMS
Recommended Input Fuse
10
A
Fast acting external fuse recommended
OUtPUt CHARACteRIStICS
Output Voltage Set Point
1.782
1.8
1.818
V
Output Voltage Regulation
Over Line
±0.1
±0.3
%
Over Load
±0.1
±0.3
%
Over Temperature
-27
27
mV
Total Output Voltage Range
1.755
1.845
V
Over sample, line, load, temperature & life
Output Voltage Ripple and Noise
20 MHz bandwidth; see Note 1
Peak-to-Peak
0
270
540
mV
Full load
RMS
32
60
mV
Full load
A
Operating Output Current Range
0
60
Subject to thermal derating
Output DC Current-Limit Inception
66.0
72.0
78.0
A
Output voltage 10% Low
Output DC Current-Limit Shutdown Voltage
0.8
V
Back-Drive Current Limit while Enabled
1.9
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
0.1
mA
Negative current drawn from output
Maximum Output Capacitance
15,000
µF
Vout nominal at full load (resistive load)
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
80
mV
50% to 75% to 50% Iout max
Settling Time
700
µs
To within 1% Vout nom
Output Voltage Trim Range
-20
10
%
Across Pins 8&4; Common Figures 3-5; see Note 2
Output Voltage Remote Sense Range
10
%
Across Pins 8&4
Output Over-Voltage Protection
2.1
2.2
2.3
V
Over full temp range
eFFICIenCY
100% Load
84
%
See Figure 1 for efficiency curve
50% Load
87
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1 µF ceramic and 15 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10% at low line and full load.
Product # IQ90xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005060 Rev. B
01/29/09
Page 6
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