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AS3709 Datasheet(PDF) 73 Page - ams AG

Part # AS3709
Description  關PMIC with 5 DCDC and 2 LDOs
PDF  74 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3709 Datasheet(HTML) 73 Page - ams AG

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ams Datasheet, Confidential: 2013-Aug [1-02]
AS3709 – 73
Ref e r e nc e Guide
1
General Description
1
Key Benefits & Features
2
Applications
2
Block Diagram
3
Pin Assignment
6Absolute Maximum Ratings
8
Electrical Characteristics
9
Detailed Description -
Power Management Functions
9
Step Down DCDC Converter
10
Mode Settings
10
Low-Ripple, Low-Noise Operation
10
High-Efficiency Operation (Default Setting)
11
Low Power Mode Operation (Automatically Controlled)
11
DVM (Dynamic Voltage Management)
12
Fast Regulation Mode
12
Selectable Frequency Operation
12
100% PMOS ON Mode for Low Dropout Regulation
12
Step Down Converter Configuration Modes
15
Parameters
21
Universal IO LDO Regulators
22
Parameter
23
Low Power LDO V2_5 Regulator
23
Parameter
24
Detailed Description -
System Functions
24
Start-up
24
Normal Start-up
24
Parameter
26
Reset
26
RESET Reasons
26
Voltage Detection
26
Power OFF
27
Software Forced Reset
27
External Triggered Reset
27
Over-temperature Reset
27
Long ON-key Press
27
Parameter
29
Stand-by
29
Internal References
29
Low Power Mode
30
GPIO Pins
31
IO Functions
31
Normal IO Operation:
31
Interrupt Output
31
VSUP_low Output
31
GPIO Interrupt Input
32
Vselect Input
32
Stand-by and Vselect Input
33
PWRGOOD Output
33
Supervisor
Reference Guide



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