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AS3722 Datasheet(PDF) 197 Page - ams-OSRAM AG

No. de pieza AS3722
Descripción Electrónicos  Multi-Phase DCDC Controller PMIC
PDF  199 Pages
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Fabricante Electrónico  AMSOSRAM [ams-OSRAM AG]
Página de inicio  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3722 Datasheet(HTML) 197 Page - ams-OSRAM AG

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[v1-01] 2015-Sep-07
AS3722 − Content Guide
1
General Description
1
Key Benefits & Features
2
Applications
3
Block Diagram
5
Pin Assignment
7
Pin Description
14
Absolute Maximum Ratings
16
Electrical Characteristics
19
Typical Operating Characteristics
20
Detailed Descriptions-
Power Management Functions
20
DCDC Step-Down Converter
20
Description
21
Mode Settings
21
Low Ripple, Low Noise Operation
24
Power Save Operation (Automatically Controlled)
24
Fast Regulation Mode
24
Selectable Frequency Operation
24
100% PMOS ON Mode for Low Dropout Regulation
24
Step-Down Converter Configuration Modes
27
Parameter
30
DCDC Step-Down Controller
30
Description
34
Mode Settings
34
Low Ripple, Low Noise Operation
35
High Efficiency Operation (Default Setting)
35
Low Power Operation (sdX_low_power=1)
35
Power Save Operation (Automatically Controlled)
35
Force PWM Mode Operation
36
Fast Regulation Mode
36
100% PMOS ON Mode for Low Dropout Regulation
36
DVS (Dynamic Voltage Setting)
36
DVM (Dynamic Voltage Management)
36
Automatic Phase Shedding
36
Parameter
41
LDO Regulators
41
Description
43
Parameter
45
Low Power LDO V2_5 Regulator
45
Description
45
Parameter
46
Backup Battery Charger
46
Description
47
Parameter
48
Detailed Descriptions-
System Functions
48
Start-Up
50
Normal Start-Up
52
Start-Up Reasons
52
Start-Up From Multiple Batteries
Content Guide



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