AS3722 datasheet(44/198 Pages) AMSCO

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[v1-01] 2015-Sep-07

AS3722 − Detailed Descriptions- Power Management Functions

LDO Parameter: Shows the key electrical parameter of the linear regulators

Note(s) and/or Footnote(s):

1. Guaranteed by design and verified by laboratory evaluation and characterization; not production tested

Figure 43:

LDO External Components

LDO External Components: Shows the external component parameter of the linear regulators

LDO3 SW; VSUP>=3.3V,

VOUT=1.0V0-11

250

mΩ

PSRR

Power supply

rejection ratio

f=1kHz

f=100kHz

IOFF

Shut down current

100

IVDD

Supply current

without load

μA

tSTART

Startup time

low current used during

start-up

500

μs

VLineReg

Line regulation

Static

0.07

%/V

Transient; Slope: tr=15μs;

delta 1V

VLoadReg

Load regulation

Static

0.014

%/m

Transient; Slope: tr=15μs;

1mA->300mA

RDIS

discharge resistance

LDO1-11 off; Vout=1V

720

LDO0 off; Vout=1V

360

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

COUT_LDO0

Output capacitor

Ceramic X5R or X7R

μF

COUT_LDO1-11

Output capacitor

Ceramic X5R or X7R

0.7

μF

CVIN_LDO0-11

Input capacitor

Ceramic X5R or X7R

μF

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

AS3722 Datasheet(PDF) 44 Page - ams AG

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