SQ24 Power-One, SQ24 Datasheet - Page 14

• Manufacturer Part Number: SQ24
• Description: Sq24 Series Dc-dc Converter Data Sheet 18-36 Vdc Input; Standard Outputs From 1-12 Vdc
• Manufacturer: Power-One

Electrical Specifications: SQ24T/S05080 (8.0 Volts Out)
Conditions: T
AUG 25, 2006 revised to MAR 19, 2007
Fig. 8.0V.1: Available load current vs. ambient air temperature
and airflow rates for SQ24T05080 converter with D height pins
mounted vertically with Vin = 24 V, air flowing from pin 3 to pin
1 and maximum FET temperature ≤ 120°C.
6
5
4
3
2
1
0
Maximum Input Current
Input Stand-by Current
Input No Load Current (0 load on the output)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point (no load)
Output Regulation
Output Voltage Range
Output Ripple and Noise - 25 MHz bandwidth
External Load Capacitance
Output Current Range
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Load Change 25% of Iout Max, di/dt = 0.1 A/μs
Setting Time to 1%
EFFICIENCY
100% Load
INPUT CHARACTERISTICS
DYNAMIC RESPONSE
Additional Notes: 1.
20
50% Load
A
=25 ºC, Airflow=300 LFM (1.5 m/s), Vin=24 VDC, Vout=8.0 VDC unless otherwise specified.
30
Over Line
Over Load
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
30 LFM (0.15 m/s)
PARAMETER
40
Ambient Temperature [°C]
-40 ºC to 85 ºC
50
di/dt = 5 A/μs
60
70
18-36 VDC Input; Standard Outputs from 1-12 VDC
5.3 ADC, 8.0 VDC Out @ 18 VDC In
Vin = 24 V, converter disabled
Vin = 24 V, converter enabled
25 MHz bandwidth
120 Hz
Over line, load and temperature
Full load + 10 μF tantalum + 1 μF ceramic
Plus full load (resistive)
Non-latching
Non-latching. Short=10mΩ.
Non-latching
Co = 1 μF ceramic
Co = 94 μF tant. + 1 μF ceramic
80
Page 14 of 70
90
SQ24 Series DC-DC Converter Data Sheet
NOTES
Fig. 8.0V.2: Efficiency vs. load current and input voltage for
SQ24T/S05080 converter mounted vertically with air flowing from
pin 3 to pin 1 at a rate of 300 LFM (1.5 m/s) and Ta = 25°C.
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0
1
1
7.920
7.880
MIN
0
2
Load Current [Adc]
TYP
8.000
TBD
6.25
85.5
160
160
400
2.6
68
±4
±4
70
10
87
6
3
MAX
8.080
8.120
www.power-one.com
2200
6.75
±10
±10
100
4
2.8
5.3
12
1
UNITS
mA
mV
mADC
mADC
5
Arms
ADC
VDC
VDC
ADC
ADC
mV
mV
mV
mV
dB
μF
µs
%
%
A
36 V
24 V
18 V
PK-PK
PK-PK
6