DC-DC Converter
QHL300 Series
Input
Characteristic
Minimum
Typical
Maximum
Units
Notes & Conditions
Input Voltage Range
Input Current
180
425
1.9
VDC
A
180VDC input, 100% load
170
160
10
On
Off
Undervoltage Lockout
VDC
Lockout Hysteresis
Input Transient Voltage
Idle Current
VDC
VDC
mA
500
For 100ms
10
3
No load
Standby Mode
mA
A2s
When module inhibited
ETS300 132-2
Inrush Current
0.1
50
Recommended Input Fuse
Input Reflected Ripple Current
5
A
Time delay type, see application note
Through 10µH inductor
mA pk-pk
Output
Characteristic
Output Voltage
Output Trim
Minimum
Typical
Maximum
Units
VDC
%
Notes & Conditions
5
48
+10
1
See Models and Ratings table
See Application Note
-20
Initial Set Accuracy
Minimum Load
Line Regulation
Load Regulation
%
At full load
0
%
No minimum load required
From minimum to maximum input at full load
From 0% to full load
0.2
0.2
%
%
Maximum deviation, recovering to less than 1% in
250µs for 25% step load change.
Transient Response
5.0
%
Start Up Time
300
10
ms
ms
Output Voltage Rise Time
Ripple & Noise
mV pk-pk
%
See models and ratings table
Overload Protection
Short Circuit Protection
110
115
125
140
Continuous hiccup mode, with auto recovery
See Models and Ratings table
Maximum Capacitive Load
Temperature Coefficient
Overvoltage Protection
0.02
140
%/˚C
%
125
Of nominal input voltage (non latching)
Output is on if remote on/off (pin 2) is open or high (3.5-75VDC) with respect to pin 4 or -Vin (Non latching clamp)
Output turns off if remote on/off (pin 2) is low (<1.2VDC max) with respect to pin 4 or -Vin
Remote On/Off
General
Characteristic
Minimum
Typical
Maximum
Units
%
Notes & Conditions
See Models and Ratings table
60s reinforced
Efficiency
90
Isolation: Input to Output
Isolation: Input to Case
Isolation: Output to Case
Switching Frequency
Isolation Resistance
Case Material
3000
2500
500
VAC
VAC
VAC
kHz
MΩ
60s basic
60s functional
270
300
330
Fixed PWM
100
Plastic (DAP) with aluminium base plate. UL94V-0 rated.
Potting Material
Pin Material
Epoxy UL94V-0
Copper with nickel and matte tin plate
Solder Profile
260°C max, 1.5mm from case 10s max
With iron 450°C, 5s max
Water Wash
Use deionized water, do not soak. Dry thoroughly
3
Power Density
109
W/in
470
5V models, MIL-HDBK-217F, +25 °C GB, full load
12V models, MIL-HDBK-217F, +25 °C GB, full load
Others, MIL-HDBK-217F, +25 °C GB, full load
Mean Time Between Failure
Weight
590
kHrs
lb (g)
760
0.198 (90.0)
www.xppower.com
2