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L5973D 数据表(PDF) 6 Page - STMicroelectronics

部件名 L5973D
功能描述  2A switch step down switching regulator
PDF  21 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5973D 数据表(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
L5973AD
6/21
gm
Transconductance
Icomp = -0.1mA to
0.1mA
VCOMP = 1.9V
2.3
mS
Sync function
High input voltage
VCC = 4.4V to 36V
2.5
VREF
V
Low input voltage
VCC = 4.4V to 36V
0.74
V
Slave sink current
Vsync = 0.74V
(1)
Vsync = 2.33V
0.11
0.21
0.25
0.45
mA
mA
Master output
amplitude
Isource = 3mA
2.75
3
V
Output pulse width
no load, Vsync = 1.65V
0.20
0.35
µs
Reference section
Reference voltage
3.234
3.3
3.366
V
IREF = 0 to 5mA
VCC = 4.4V to 36V
3.2
3.3
3.399
V
Line regulation
IREF = 0mA
VCC = 4.4V to 36V
510
mV
Load regulation
IREF = 0 to 5mA
8
15
mV
Short circuit current
10
18
30
mA
1.
Guaranteed by design.
Table 4. Electrical characteristics (continued)
( TJ = 25°C, VCC = 12V, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit



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