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UC2524DWG4 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
稳压芯片
封装:
SOIC-16
描述:
高级稳压脉宽调制器 ADVANCED REGULATING PULSE WIDTH MODULATORS
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UC2524DWG4数据手册
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CONNECTION DIAGRAM
+
–
+
–
OSCILLATOR
S/D
REFERENCE
REGULATOR
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
ERROR
AMP
CURRENT
AMP
V
REF
V
IN
E
B
C
B
C
A
E
A
S/D COMP
INV INPUT
NON INV
INPUT
OSC OUT
CL
SENSE(+)
CL
SENSE (–-)
R
T
GND
C
T
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
UC1524
UC2524
UC3524
SLUS180E – NOVEMBER 1999 – REVISED OCTOBER 2005
over operating free-air temperature range (unless otherwise noted)
UNIT
V
CC
Supply voltage
(1) (2)
40 V
Collector output current 100 mA
Reference output current 50 mA
Current through C
T
terminalg –50 mA
T
A
= 25 ° C
(3)
1000 mW
Power dissipation
T
C
= 25 ° C
(3)
2000 mW
Operating junction temperature range –55 ° C to 150 ° C
Storage temperature range –65 ° C to +150 ° C
(1) All voltage values are with respect to the ground terminal, pin 8.
(2) The reference regulator may be bypassed for operation from a fixed 5 V supply by connecting the V
CC
and reference output pins both to
the supply voltage. In this configuration the maximum supply voltage is 6 V.
(3) Consult packaging section of data book for thermal limitations and considerations of package.
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
V
CC
Supply voltage 8 40 V
Reference output current 0 20 mA
Current through C
T
terminal –0.03 –2 mA
R
T
Timing resistor 1.8 100 k Ω
C
T
Timing capacitor 0.001 0.1 µ F
UC1524 –55 125
Operating ambient temperature range UC2524 –25 85 ° C
UC3524 0 70
2
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