TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
L36SA12004 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Maximum input voltage
Operating Temperature
Storage Temperature
Input/Output Isolation Voltage
INPUT CHARACTERISTICS
Operating Input Voltage
80
100
130
125
2250
Vdc
Vdc
°C
°C
Vdc
Refer to Figure21 for measuring point
-40
-55
18
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
16
15
0.75
17
16
1
18
17
1.5
4
Vdc
Vdc
Vdc
A
100% Load, 18Vin
No-Load Input Current
60
4
mA
mA
A2s
mA
dB
Off Converter Input Current
Inrush Current(I2t)
1
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Load
Over Line
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
20
60
Vin=48V, Io=Io.max, Tc=25°C
11.880
11.82
12.000
12.120
Vdc
Io=Io,min to Io,max
Vin=18V to 75V
Ta=-40°C to 85°C
±5
±5
±30
±10
±10
mV
mV
mV
V
Over sample load, line and temperature
5Hz to 20MHz bandwidth
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
12.18
50
15
100
30
4
mV
mV
A
RMS
Operating Output Current Range
Output over current protection
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Turn-On Transient
0
110
150
%
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75% Io.max
100
100
200
mV
mV
us
75% Io.max to 50% Io.max
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Maximum Output Capacitance
EFFICIENCY
8
8
ms
ms
µF
Full load; 5% overshoot of Vout at startup
470
100% Load
60% Load
86
88
%
%
ISOLATION CHARACTERISTICS
Input to Output
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
2250
Vdc
MΩ
pF
100
1500
300
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Logic High (Module Off)
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
0.7
18
V
V
2
2
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Ion/off at Von/off=0.0V
Logic High, Von/off=15V
Vin = 18V ~ 60V
0.7
18
1
50
10
10
V
V
mA
uA
%
Logic High (Module On)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Voltage Trim Range
(Across Pins 9 & 5, Pout ≦ max rated power)
-10
-5
Vin = 61V ~ 75V
%
Pout ≦ max rated power
Over full temp range; % of nominal Vout
Output Voltage Remote Sense Range (option)
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
MTBF
10
%
V
14.4
Io=80% of Io, max; Ta=25°C
2.98
24.2
136
M hours
Grams
°C
Weight
Over-Temperature Shutdown
Refer to Figure21 for measuring point
DS_L36SA12004_02142007
2
DELTA [ DELTA ELECTRONICS, INC. ]
