IQ18-HPC データシートの表示（PDF） - SynQor Worldwide Headquarters
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IQ18-HPC Datasheet PDF : 28 Pages
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Technical Specification
Input: 9 - 36 V
Output: 48 V
Current: 3.7 A
Part No.: IQ18480HPC3H
IQ18480HPC3H Electrical Characteristics (48.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 18 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
29.2
A Vin min; trim up; in current limit
No-Load Input Current
250
310
mA
Disabled Input Current
2
3
mA
Response to Input Transient
2.4
V 500 V/ms; see Figure 6
Input Terminal Ripple Current
520
mA RMS
Recommended Input Fuse
3.0
A Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
47.52
48
48.48
V
Output Voltage Regulation
Over Line
±0.1
±0.3
%
Over Load
±0.1
±0.3
%
Over Temperature
-720
720
mV
Total Output Voltage Range
46.80
49.20
V Over sample, line, load, temperature & life
Output Voltage Ripple and Noise
20 MHz bandwidth; see Note 1
Peak-to-Peak
0
125
250
mV Full load
RMS
20
40
mV Full load
Operating Output Current Range
0
3.7
A Subject to thermal derating
Output DC Current-Limit Inception
4.07
4.44
4.81
A Output voltage 10% Low
Output DC Current-Limit Shutdown Voltage
25
V
Back-Drive Current Limit while Enabled
0.1
A Negative current drawn from output
Back-Drive Current Limit while Disabled
5
mA Negative current drawn from output
Maximum Output Capacitance
100
µF Vout nominal at full load (resistive load)
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
2800
mV 50% to 75% to 50% Iout max
Settling Time
80
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
56.16
58.60
60.96
V Over full temp range
EFFICIENCY
100% Load
89
% See Figure 1 for efficiency curve
50% Load
91
% See Figure 1 for efficiency curve
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 # IQ18xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005029 Rev. B
04/13/09
Page 22
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