IQ24-HPC Datasheet, PDF (10/28 Pages) SynQor Worldwide Headquarters – Half-brick DC-DC Converter

Technical Specification
Input: 18-36 V
Output: 5.0 V
Current: 40 A
Part No.: IQ24050HPC40
IQ24050HPC40 ELECTRICAL CHARACTERISTICS (5.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 24 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
16.6
A Vin min; trim up; in current limit
No-Load Input Current
125
160
mA
Disabled Input Current
2
4
mA
Response to Input Transient
0.25
V See Figure 6
Input Terminal Ripple Current
200
mA RMS
Recommended Input Fuse
TBD
A Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
4.95
5
5.05
V
Output Voltage Regulation
Over Line
±0.1
±0.3
%
Over Load
±0.1
±0.3
%
Over Temperature
-75
75
mV
Total Output Voltage Range
4.875
5.125
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
40
A Subject to thermal derating
Output DC Current-Limit Inception
44.0
48.0
52.0
A Output voltage 10% Low
Output DC Current-Limit Shutdown Voltage
1.8
V
Back-Drive Current Limit while Enabled
0.6
A Negative current drawn from output
Back-Drive Current Limit while Disabled
0.4
mA Negative current drawn from output
Maximum Output Capacitance
8,000
µF Vout nominal at full load (resistive load)
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
160
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
Output Voltage Remote Sense Range
10
% Across Pins 8&4
Output Over-Voltage Protection
5.9
6.1
6.4
V Over full temp range
EFFICIENCY
100% Load
88
% See Figure 1 for efficiency curve
50% Load
91
% 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: [e-mail])
Product # IQ24xxxHPCxx
Phone [phone]
www.synqor.com
Doc.# 005-005026 Rev. B
10/14/08
Page 10