LM2937
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
5 of 10
www.unisonic.com.tw
QW-R102-012.F
ELECTRICAL CHARACTERISTICS (Cont.)
For LM2937-15.0V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage V
OUT
5mAI
OUT
500mA 14.55 15.00 15.45 V
Line Regulation V
OUT
V
OUT
+2VV
IN
26V, I
OUT
=5mA 45 150 mV
Load Regulation V
OUT
5mAI
OUT
500mA 15 150 mV
(V
OUT
+2V)V
IN
26V,I
OUT
=5mA 2 10 mA
Quiescent Current I
Q
V
IN
= V
OUT
+5V, I
OUT
=500mA 10 20 mA
Output Noise Voltage eN 10Hz-100kHz, I
OUT
=5mA 450 µVrms
Long Term Stability 1000Hrs 56 mV
I
OUT
=500mA 0.5 1.0 V
Dropout Voltage V
D
I
OUT
=50mA 110 250 mV
Short Circuit Current I
SC
0.6 1.0 A
Peak Line Transient Voltage T
IN
t
F
100ms, R
L
=100 60 75 V
Reverse DC Input Voltage V
RIN
V
OUT
-0.6V, R
L
=100 -15 -30 V
Reverse Transient Input Voltage V
TRRI
t
F
<1ms, R
L
=100 -50 -75 V
ON/OFF CONTROL (For 5 pins only)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
ON/OFF Threshold Voltage ON V
ON
I
OUT
0.5A
0.8 V
ON/OFF Threshold Voltage OFF V
OFF
I
OUT
0.5A
2.0 V
ON/OFF Threshold Current I
ON/OFF
V
ON/OFF
=2.0V, I
OUT
=0.5A 50 100
A