Input:9-36V
Output:7V
Current:3.5A
Part No.:IQ18070SKx04
Technical Specification
IQ18070SKx04 Electrical Characteristics (7.0Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 18Vdc 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
5.0
230
14
A
mA
mA
V
Vin min; trim up; in current limit
180
10
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
0.05
250
250V/ms; see Figure 6
RMS
mA
A
20
Fast acting external fuse recommended
6.93
7
7.07
V
±0.1
±0.1
±0.3
±0.3
105
%
%
mV
V
Over Load
Over Temperature
-105
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
6.825
7.175
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Full load
0
0
25
5
50
10
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current-Limit Inception
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 (0.1A/µs)
Settling Time
3.5
Subject to thermal derating
4.2
2.5
2
A
A
Negative current drawn from output
mA
µF
Negative current drawn from output
4,000
Vout nominal at full load (resistive load); See Note 2
250
100
mV
µs
%
%
V
50% to 75% to 50% Iout max
To within 1% Vout nom
Across Pins 8&4; Common Figures 3-5
Across Pins 8&4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-10
8.2
10
10
8.5
8.7
Over full temp range
100% Load
82
82
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50% Load
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: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Product # IQ18xxxSKxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005462 Rev. C
05/27/10
Page 16
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