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VR5100 Datasheet(PDF) 40 Page - NXP Semiconductors

Part # VR5100
Description  Multi-output DC/DC regulator for low-power LS1 communication processors
PDF  108 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

VR5100 Datasheet(HTML) 40 Page - NXP Semiconductors

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NXP Semiconductors
VR5100
FUNCTIONAL DESCRIPTION AND APPLICATION INFORMATION
FUNCTIONAL DESCRIPTION
6.3.8.2
SWBST external components
6.3.9
LDO regulators description
This section describes the LDO regulators provided by the VR5100. All regulators use the main bandgap as reference. When a regulator
is disabled, the output is discharged by an internal pull-down resistor.
Figure 11. General LDO block diagram
Table 53. SWBST external component requirements
Components
Description
Values
CINBST (42)
SWBST input capacitor
10
μF
CINBSTHF (42)
SWBST decoupling input capacitor
0.1
μF
COSWBST (42)
SWBST output capacitor
2 x 22
μF
LSBST
SWBST inductor
2.2
μH
DBST
SWBST boost diode
1.0 A, 20 V Schottky
Notes
42.
Use X5R or X7R capacitors.
VLDOx
VINx
VINx
VLDOx
CLDOx
VLDOxEN
VLDOxLPWR
VREF
VLDOx
I
2C
Interface
Discharge
+
_



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