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PQ50090QGB11 Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters

Part No. PQ50090QGB11
Description  Input under-voltage lockout disables converter at low input voltage
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Manufacturer  SYNQOR [SynQor Worldwide Headquarters]
Direct Link  http://www.synqor.com
Logo SYNQOR - SynQor Worldwide Headquarters

PQ50090QGB11 Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters

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Technical Specification
Product # PQ50090QGB11
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005485 Rev. A
03/29/10
Page 3
Input:48V
Output:9.0V
Current:11A
Part No.:PQ50090QGB11
PQ50090QGB11 ELECTRICAL CHARACTERISTICS
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48V dc unless otherwise noted; full operating temperature range is -40 °C to +70 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
80
V
Continuous
Operating
60
V
Continuous
Isolation Voltage
Input to Output
2000
V
Operating Temperature
-40
70
°C
Storage Temperature
-55
125
°C
Voltage at ON/OFF input pin
-2
18
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
44
48
52
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
31.5
33.0
34.5
V
Turn-Off Voltage Threshold
29.0
30.5
32.0
V
Lockout Voltage Hysteresis
1.5
2.5
3.5
V
Maximum Input Current
2.7
A
100% Load, 44V Vin
No-Load Input Current
80
160
mA
Disabled Input Current
2
4
mA
Response to Input Transient
225
mV
0.25V/μs input transient
Input Reflected Ripple Current
5
20
mA
RMS thru 10μH inductor
Input Terminal Ripple Current
145
mA
RMS
Recommended Input Fuse
20
A
Fast acting external fuse recommended
Recommended External Input Capacitance
47
µF
Typical ESR 0.1-0.2Ω; Figure 13
Input Filter Component Values (L\C)
2.0\6.6
µH\µF Internal values
OUTPUT CHARACTERISTICS
Output Voltage Set Point
8.91
9.00
9.09
V
Output Voltage Regulation
Over Line
±0.05\4.5
±0.2\18
%\mV See note 1
Over Load
±0.05\4.5
±0.2\18
%\mV See note 1
Over Temperature
±35
±100
mV
Total Output Voltage Range
8.77
9.23
V
Over sample, line, load, temperature & life
Output Voltage Ripple and Noise
20MHz bandwidth; see Note 2
Peak-to-Peak
25
75
mV
Full load
RMS
5
20
mV
Full load
Operating Output Current Range
0
11
A
Subject to thermal derating
Output DC Current-Limit Inception
11.7
13.5
15.3
A
Output Voltage 10% Low
Output DC Current-Limit Shutdown Voltage
6.0
V
See note 3
Back-Drive Current Limit while Enabled
0.2
0.7
1.25
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
0
10
50
mA
Negative current drawn from output
Maximum Output Capacitance Electrolytic
1,700
uF
Nominal Vout at full load (resistive load)
EFFICIENCY
100% Load
89.5
%
Figures 1 - 2
50% Load
90.5
%
Figures 1 - 2
PQ50090QGB11 Electrical Characteristics


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