LM2937
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
4 of 10
www.unisonic.com.tw
QW-R102-012.F
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
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
For LM2937-8.0V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage V
OUT
5mAI
OUT
500mA 7.76 8.00 8.24 V
Line Regulation V
OUT
V
OUT
+2VV
IN
26V, I
OUT
=5mA 24 80 mV
Load Regulation V
OUT
5mAI
OUT
500mA 8 80 mV
(V
OUT
+2V)V
IN
26V,I
OUT
=5mA 2 10 mA
Quiescent Current I
Q
V
IN
= Vo+5V, I
OUT
=500mA 10 20 mA
Output Noise Voltage eN 10Hz-100kHz, I
OUT
=5mA 240 µVrms
Long Term Stability 1000Hrs 32 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
For LM2937-10.0V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage V
OUT
5mAI
OUT
500mA 9.70 10.00 10.30 V
Line Regulation V
OUT
V
OUT
+2VV
IN
26V, I
OUT
=5mA 30 100 mV
Load Regulation V
OUT
5mAI
OUT
500mA 10 100 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 300 µVrms
Long Term Stability 1000Hrs 40 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
For LM2937-12.0V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage V
OUT
5mAI
OUT
500mA 11.64 12.00 12.36 V
Line Regulation V
OUT
V
OUT
+2VV
IN
26V, I
OUT
=5mA 36 120 mV
Load Regulation V
OUT
5mAI
OUT
500mA 12 120 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 360 µVrms
Long Term Stability 1000Hrs 44 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