Rev. D
TECHNICAL DATASHEET
LV12S20-100
Technical Specifications
All specifications are based on 25
o
C, Nominal Input Voltage and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
Related condition
Min
Nom
Max
Switching Frequency
-
400
-
INPUT (V
in
)
Operating Voltage Range
10
12 / 24
36
UVLO Turn On at
9.4
9.5
9.6
UVLO Turn Off at
9.3
9.4
9.5
Maximum Input Current
Low Line
-
11.9
-
No Load Input Current
Min Load
-
0.6
-
Input Current under “Remote Off”
-
11
-
Reflected Ripple Current
-
150
-
-
84
-
EFFICIENCY
OUTPUT (V
o
)
19.8
20.2
Voltage Set Point
±RS shorted to ±Vo
20.0
-1%
+1%
18.0
22.0
Voltage Adjustment
Max Output limited to 150W
20.0
-10%
+10%
Load Regulation
±RS shorted to ±Vo
-
0.1
0.2
Line Regulation
±RS shorted to ±Vo
-
0.1
0.2
Temperature Drift
-
0.2
-
20.2
Remote Sense Compensation
Max Output limited to 150W
-
10%
Ripple
1uF Ceramic &10uF Tantalum
-
300
-
Spikes
1uF Ceramic &10uF Tantalum
-
-
Current
0.5
-
5.0
Power Limited-Dependent upon SENSE
Current Limit
-
9
-
compensation and TRIM adjustment
Over Voltage Limit
Output Clamped
-
-
-
1uF Ceramic & 10uF Tantalum
DYNAMIC RESPONSE
50% to 100% Io, di/dt=1A/uS
-
750
-
Load step /
∆
V
Recovery Time
Recovery to within 1% Nominal Vo
-
0.3
-
Turn On Delay
From Vin(min) to Vout (nom)
-
40
-
Turn On Overshoot
Full Load Resistive
-
-
Hold Up Time
From Vin (min) to V
ULVO_Turn_Off
0
-
-
REMOTE ON/OFF
Active High
Remote ON – Active High
Min High (ON/OFF pin)
2.2
-
-
Remote ON – Active Low
Max Low (ON/OFF pin)
N/A
-
-
Remote OFF – Active High
Max Low (ON/OFF pin)
-
-
1.2
Remote OFF – Active Low
Min High (ON/OFF pin)
N/A
-
-
Remote ON/OFF pin Floating – Active High
Over Operating Voltage Range
2.5
-
5.0
Remote ON/OFF pin Floating – Active Low
Over Operating Voltage Range
N/A
-
-
I
ON/OFF
Sink to pull low – Active Low or High
V
ON/OFF
=0V, Vin=36V
-
-
0.38
I
ON/OFF
Source to drive high – Active High
V
ON/OFF
=5V, Vin=36V
-
-
0.03
I
ON/OFF
Source to drive high – Active Low
V
ON/OFF
=5V, Vin=36V
-
-
-
Turn On Delay – Active High
ON/OFF (max Low) to Vout (min)
-
9
-
Turn Off Delay – Active High
ON/OFF (0V) to Vout (min)
-
160
-
ISOLATION
Input-Output
1 minute
-
1500
-
Input-Case
1 minute
-
500
-
Output-Case
1 minute
-
500
-
THERMAL
Ambient
Max. Ambient limited by OTP
-40
25
OTP
Over Temperature Protection (OTP)
Case Temperature Greater than
-
95
-
Turn On (OTP)
Case Temperature Less than
-
85
-
Calculated Using Bellcore TR-332 Method 1 case 3
2,563,116
MTBF
MECHANICAL
See Figure 1
Model No. LV12S20-100
Unit
kHz
Vdc
Vdc
Vdc
A
A
mA
mA
%
Vdc
%
Vdc
%
%
% /
o
C
Vdc
%
mV
pk-pk
mV
pk-pk
A
A
Vdc
mV
ms
ms
%
mS
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mA
mA
mA
ms
uS
Vdc
Vdc
Vdc
o
o
C
C
o
C
hours
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