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E-L293DD Datasheet(PDF) 6 Page - STMicroelectronics

Part No. E-L293DD
Description  2.5 A switch step down switching regulator
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 6 page
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Electrical characteristics
L5973D
6/17
Ib
Source bias current
2.5
4
µA
DC open loop gain
RL = ∞
50
57
dB
gm
Transconductance
Icomp = -0.1 mA to
0.1 mA
VCOMP = 1.9 V
2.3
mS
Sync function
High input voltage
VCC = 4.4 V to 36 V
2.5
VREF
V
Low input voltage
VCC = 4.4 V to 36 V
0.74
V
Slave sink current
Vsync = 0.74 V
(2)
Vsync = 2.33 V
0.11
0.21
0.25
0.45
mA
mA
Master output
amplitude
Isource = 3 mA
2.75
3
V
Output pulse width
no load,
Vsync = 1.65 V
0.20
0.35
µs
Reference section
Reference voltage
3.234
3.3
3.366
V
IREF = 0 to 5 mA
VCC = 4.4 V to 36 V
(1)
3.2
3.3
3.399
V
Line regulation
IREF = 0 mA
VCC = 4.4 V to 36 V
510
mV
Load regulation
IREF = 0 to 5 mA
8
15
mV
Short circuit current
10
18
30
mA
1.
Specification Referred to TJ from -40 to 125 °C. Specification over the -40 to +125 TJ Temperature range
are assured by design, characterization and statistical correlation.
2.
Guaranteed by design.
Table 4.
Electrical characteristics (continued)
( TJ = 25 °C, VCC = 12 V, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit




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