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MFG:AD D/C:SSOP
Part Number: ADP3203
MFG: AD
D/C: SSOP
Description: The ADP3203 is a 1 or 2-phase hysteretic peak current DC-DC buck converter controller dedicated to pow...
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ADP3203
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DataSheet
General Description
ADP3203 General Description
The ADP3203 is a 1 or 2-phase hysteretic peak current DC-DC buck converter controller dedicated to power a mobile processor's core. The optimized low voltage design is powered from the 3.3 V system supply and draws only 10 µA maximum in shutdown. The nominal output voltage is set by a 5-bit VID code. To accommodate the transition time required by the newest processors for on-the-fly VID changes, the ADP3203 features high-speed operation to allow a minimized inductor size that results in the fastest change of current to the output. To further allow for the minimum number of output capacitors to be used, the ADP3203 features active voltage positioning with ADOPTTM optimal compensation to ensure a superior load transient response. The output signal interfaces with the ADP3415 MOSFET driver that is optimized for high speed and high efficiency for driving both the top and bottom MOSFETs of the buck converter. The ADP3203 is capable of controlling the synchronous rectifier to extend battery lifetime in light load conditions.
ADP3203 Maximum Ratings
Input Supply Voltage (VCC) ............................. -0.3 V to +7 V
UVLO Input Voltage ......................................... -0.3 V to +7 V
All Other Inputs/Outputs .................................... VCC + 0.3 V
Operating Ambient Temperature Range ......... 0°C to +100°C
Junction Temperature Range ..........................0°C to +150°C
JA ............................................................................ 98°C/W
Storage Temperature Range .........................-65°C to 150°C
Lead Temperature (Soldering, 10 sec.) ..................... +300°C
UVLO Input Voltage ......................................... -0.3 V to +7 V
All Other Inputs/Outputs .................................... VCC + 0.3 V
Operating Ambient Temperature Range ......... 0°C to +100°C
Junction Temperature Range ..........................0°C to +150°C
JA ............................................................................ 98°C/W
Storage Temperature Range .........................-65°C to 150°C
Lead Temperature (Soldering, 10 sec.) ..................... +300°C
ADP3203 Features
Pin Selectable 1 or 2-Phase Operation
Backward Compatible to IMVP-II
Excellent Static and Dynamic Current Sharing
Superior Load Transient Response with ADOPTTM Optimal Positioning Technology
Noise-Blanking for Speed and Stability
Synchronous Rectifier Control for Extended Battery Life
Cycle-by-Cycle Current Limiting
Hiccup or Latched Overload Protection
Transient-Glitch-Free Power Good
Soft Start Eliminates Power-On In-Rush Current Surge
Two-Level Over-Voltage and Reverse-Voltage Protection
Backward Compatible to IMVP-II
Excellent Static and Dynamic Current Sharing
Superior Load Transient Response with ADOPTTM Optimal Positioning Technology
Noise-Blanking for Speed and Stability
Synchronous Rectifier Control for Extended Battery Life
Cycle-by-Cycle Current Limiting
Hiccup or Latched Overload Protection
Transient-Glitch-Free Power Good
Soft Start Eliminates Power-On In-Rush Current Surge
Two-Level Over-Voltage and Reverse-Voltage Protection
ADP3203 Typical Application
IMVP II-III Core DC/DC Converters
Fixed Voltage Mobile CPU Core DC/DC Converters
Notebook/Laptop Power Supplies
Programmable Output Power Supplies
Fixed Voltage Mobile CPU Core DC/DC Converters
Notebook/Laptop Power Supplies
Programmable Output Power Supplies
ADP3203
PDF/DataSheet Download
- Datasheet: ADP3203
- File Size: 157431 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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