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LM2937-XX-TQ5-T

LM2937-XX-TQ5-T首页预览图
型号: LM2937-XX-TQ5-T
PDF文件:
  • LM2937-XX-TQ5-T PDF文件
  • LM2937-XX-TQ5-T PDF在线浏览
功能描述: 500mA LOW DROPOUT VOLTAGE REGULATOR
PDF文件大小: 144.18 Kbytes
PDF页数: 共10页
制造商: UTC[Unisonic Technologies]
制造商LOGO: UTC[Unisonic Technologies] LOGO
制造商网址: http://www.utc-ic.com
捡单宝LM2937-XX-TQ5-T
PDF页面索引
120%
LM2937
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
3 of 10
www.unisonic.com.tw
QW-R102-012.F
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PARAMETER SYMBOL RATINGS UNIT
Input Voltage V
IN
26 V
Power Dissipation(Note 2) P
D
Internally limited
Maximum Junction Temperature T
J
+150
°
C
Storage Temperature T
STG
-40 ~ +150
°
C
Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical
Specifications do not apply when operating the device outside of its rated Operating Conditions.
2
The maximum allowable power dissipation at any ambient temperature is P
MAX
= (125-T
A
)/
JA
, where 125 is
the maximum junction temperature for operation, T
A
is the ambient temperature, and
JA
is the junction to
ambient thermal resistance. If this dissipation is exceeded, the die temperature will rise above 125
°
C and
the electrical specifications do not apply. If the die temperature rises above 150
°
C, the LM2937 will go into
thermal shutdown.
THERMAL DATA
PARAMETER SYMBOL RATINGS UNIT
TO-220
65
TO-263 73
Thermal Resistance Junction- Ambient
TO-263-5
JA
73
TO-220 3
TO-263 4
Thermal Resistance Junction- Case
TO-263-5
JC
4
°
C/W
ELECTRICAL CHARACTERISTICS
(V
IN
=V
NOM
+5V, I
OUT
=500mA, C
OUT
=10µF, T
J
=Ta=25
°
C, unless otherwise specified.)
For LM2937-3.3V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage V
OUT
5mAI
OUT
500mA 3.21 3.30 3.39 V
Line Regulation V
OUT
V
OUT
+2VV
IN
26V, I
OUT
=5mA 9 30 mV
Load Regulation V
OUT
5mAI
OUT
500mA 3 30 mV
(V
O
+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 100 µVrms
Long Term Stability 1000Hrs 12 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 LM2937-5.0V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage V
OUT
5mAI
OUT
500mA 4.85 5.00 5.15 V
Line Regulation V
OUT
V
OUT
+2VV
IN
26V, I
OUT
=5mA 15 50 mV
Load Regulation V
OUT
5mAI
OUT
500mA 5 50 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 150 µVrms
Long Term Stability 1000Hrs 20 mV
I
OUT
=500mA 0.5 1.0 V
Dropout Voltage V
D
I
OUT
=50mA 110 250 mV
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