IQ18-HPC Datasheet, PDF (12/28 Pages) SynQor Worldwide Headquarters – Half-brick DC-DC Converter

Technical Specification
Input: 9 - 36 V
Output: 12 V
Current: 15 A
Part No.: IQ18120HPC15
IQ18120HPC15 Electrical Characteristics (12.0 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
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
11.88
-180
11.700
0
0
16.5
-20
14.040
280
3
0.5
450
12
±0.1
±0.1
40
10
18.0
6.5
0.6
1
380
80
14.640
90
91
29.2
350
4
3.0
12.12
±0.3
±0.3
180
12.300
80
20
15
19.5
1,500
10
10
15.240
A Vin min; trim up; in current limit
mA
mA
V 500 V/ms; see Figure 6
mA RMS
A Fast acting external fuse recommended
V
%
%
mV
V Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
mV Full load
mV Full load
A Subject to thermal derating
A Output voltage 10% Low
V
A Negative current drawn from output
mA Negative current drawn from output
µF Vout nominal at full load (resistive load)
mV 50% to 75% to 50% Iout max
µs To within 1% Vout nom
% Across Pins 8&4; Common Figures 3-5; see Note 2
% Across Pins 8&4
V Over full temp range
% See Figure 1 for efficiency curve
% 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])
Note 2: Trim-up range is limited below 10% at low line and full load.
Product # IQ18xxxHPCxx
Phone [phone]
www.synqor.com
Doc.# 005-005029 Rev. B
04/13/09
Page 12