IQ12-QTC Datasheet, PDF (6/28 Pages) SynQor Worldwide Headquarters – Quarter-brick DC-DC Converter

Technical Specification
Input: 9-22 V
Output: 1.8 V
Current: 40 A
Part No.: IQ12018QTC40
IQ12018QTC40 ELECTRICAL CHARACTERISTICS (1.8 V_OUT)
T_A = 25 °C, airflow rate = 300 LFM, V_IN = 12 V_DC unless otherwise noted; full operating temperature range is -40 °C to +100 °C
ambient 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
Input Filter Component Values (L\C)
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise ¹
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
For a Step Change in Output Current (0.1 A/µs)
Settling Time
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
Load Current Scale Factor
EFFICIENCY
100% Load
50% Load
Min.
1.782
-27
1.755
0
44
0
-20
117
Typ.
314
2.0
0.2
168
0.47\24
1.800
+0.1
+0.1
82
14
48
0.9
0.3
15
90
200
122
2667
82
83
Max. Units Notes & Conditions
13.0
A
9 V_IN; trim up; in current limit
600
mA
4.0
mA
V 250 V/ms input transient; 100 µF output cap.
mA RMS
30
A Fast acting external fuse recommended
µH\µF Internal values; see Figure E
1.818
V
+0.3
+0.3
27
1.845
160
25
40
52
50
10,000
%
%
mV
V Over sample, line, load, temperature & life
20 MHz bandwidth
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% I_OUT max
µs To within 1% V_OUT nom
+10
% Measured across Pins 8 & 4; Common Figure 3
+10
% Measured across Pins 8 & 4
127
% Over full temp range; % of nominal V_OUT
See Output Load Current app. note on our web
% 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])
Product # IQ12xxxQTCxx
Phone [phone]
www.synqor.com
Doc.# 005-IQ12QTX Rev. B
09/23/08
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