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LD57100 Datasheet(PDF) 4 Page - STMicroelectronics

Part # LD57100
Description  1 A ultra low-dropout LDO with bias
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD57100 Datasheet(HTML) 4 Page - STMicroelectronics

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3
Typical application circuits
Figure 4. Typical application for fixed version
VIN
G ND
VIN
VBIAS
CIN
VOUT
VOUT
COUT
L D5710 0
E N
CBIAS
VBIAS
S NS
Figure 5. Typical application for adjustable version
VIN
G ND
VIN
VBIAS
CIN
VOUT
VOUT
COUT
L D5710 0
E N
CBIAS
VBIAS
R1
R2
F B
Table 2. Typical application components
Symbol
Value
Description
Note
CIN
1 µF
Input capacitor
Ceramic type
CBIAS
4.7 µF
Control logic bypass capacitor
Ceramic type
COUT
10 µF
Output capacitor
Ceramic type
R1
Output voltage side resistor
See Section 6.4 VOUT setting (adjustable version)
R2
Ground side resistor
<500 kΩ max.
LD57100
Typical application circuits
DS13123 - Rev 5
page 4/21



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