Technical Specification
P
LIM
RE
I
RY
NA
Input:
Output:
Current:
Part no.:
9 - 75 V
48 V
3.7 A
IQ32480HPC3H
IQ32480HPC3e eLeCTRICAL CHARACTeRISTICS (48.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 32 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
InPUT CHARACTeRISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTeRISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
Output DC Current-Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
eFFICIenCY
100% Load
50% Load
Min.
Typ.
180
1
3.9
900
Max.
23
230
2
Units notes & Conditions
A
mA
mA
V
mA
A
V
%
%
mV
V
mV
mV
A
A
V
A
mA
µF
mV
µs
%
%
V
%
%
10 Vin; nominal output; in current limit
25
47.52
48
±0.1
±0.1
-720
46.80
0
0
3.74
80
17
4.08
31
0.1
5
48.48
±0.3
±0.3
720
49.20
160
30
3.4
4.42
1000 V/ms, 32 V to 100 V step; see Figure 6
RMS
Fast acting external fuse recommended
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
Full load
Subject to thermal derating
Output voltage 10% Low
Negative current drawn from output
Negative current drawn from output
Vout nominal at full load (resistive load)
50% to 75% to 50% Iout max
To within 1% Vout nom
Across Pins 8&4; Common Figures 3-5; see Note 2
Across Pins 8&4
Over full temp range
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
100
2200
80
-20
56.2
58.6
87
88
10
10
61.0
Note 1: Output is terminated with 1 µF ceramic capacitor. 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 # IQ32xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005H332 Rev. 1
08/13/08
Page 6
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