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IQ70-HPC Datasheet PDF : 28 Pages
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Technical Specification
Input: 34 - 135 V
Output: 12 V
Current: 20 A
Part No.: IQ70120HPC20
IQ70120HPC20 ELECTRICAL CHARACTERISTICS (12 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 70 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
9.3
A Vin min; 12 Vout ; in current limit (typ)
No-Load Input Current
55
70
mA
Disabled Input Current
2
3
mA
Response to Input Transient
0.75
V 500 V/ms, see Figure 6
Input Terminal Ripple Current
430
mA RMS
Recommended Input Fuse
15
A Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
11.88
12
12.12
V
Output Voltage Regulation
Over Line
±0.1
±0.3
%
Over Load
±0.1
±0.3
%
Over Temperature
-180
180
mV
Total Output Voltage Range
11.700
12.300
V Over sample, line, load, temperature & life
Output Voltage Ripple and Noise
20 MHz bandwidth; see Note 1
Peak-to-Peak
0
100
200
mV Full load
RMS
13
30
mV Full load
Operating Output Current Range
Output DC Current-Limit Inception
0
20
A Subject to thermal derating
22.0
24.0
26.0
A Output voltage 10% Low
Output DC Current-Limit Shutdown Voltage
6.5
V
Back-Drive Current Limit while Enabled
0.5
A Negative current drawn from output
Back-Drive Current Limit while Disabled
1
mA Negative current drawn from output
Maximum Output Capacitance
1,500
µF Vout nominal at full load (resistive load)
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
270
mV 50% to 75% to 50% Iout max
Settling Time
100
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
14.0
14.6
15.3
V Over full temp range
EFFICIENCY
100% Load
91
% See Figure 1 for efficiency curve
50% Load
93
% 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 # IQ70xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005061 Rev. B
12/10/08
Page 12
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