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ADP3500

Features: ·Handles all CDMA Baseband and RF/IF Power Management·Functions·LDOs Optimized for Specific CDMA Subsystems·Four Backup LDOs for Stand-By mode operation·Four Li-Ion Battery Charge Modes·5mA Pre Charge·Low Current Charge·Full Current Charge·Regulator mode (no current limit)·Ambient Temper...

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SeekIC No. : 004276691 Detail

ADP3500: Features: ·Handles all CDMA Baseband and RF/IF Power Management·Functions·LDOs Optimized for Specific CDMA Subsystems·Four Backup LDOs for Stand-By mode operation·Four Li-Ion Battery Charge Modes·5m...

ADP3500 Data Sheet

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Part Number:
ADP3500
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/7/15

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Product Details

Description



Features:

·Handles all CDMA Baseband and RF/IF Power Management
·Functions
·LDOs Optimized for Specific CDMA Subsystems
·Four Backup LDOs for Stand-By mode operation
·Four Li-Ion Battery Charge Modes
·5mA Pre Charge
·Low Current Charge
·Full Current Charge
·Regulator mode (no current limit)
·Ambient Temperature: -30 °C to +85 °C
·64pin 7x7 LQFP package


Application

CDMA/CDMA2000/PCS Handsets


Pinout

Connection Diagram


Specifications

Voltage on ADAPTER pin to GND ............ -0.3, 15Vmax
Voltage on VBAT pin to GND ...............-0.3, 7Vmax
Voltage on Pin 6-13, 21-28 to GND .......-0.3, VLDO1+0.3Vmax
Voltage on Pin 1, 62-64 .............- 0.3, VBAT+0.3V max
Voltage on Pin 20, 32 ............. - 0.3, VRTCV+0.3V max
Voltage on Pin 60, 61 ............- 0.3, VADAPTER+0.3V max
Voltage on Pin 2-5, 14, 30, 31, 33 ............ - 0.3, 7V max
Storage Temperature Range .............- 65 to +150 °C
Operating Temperature Range .............- 30 to +85°C
Maximum Junction Temperature ................. 125°C
JA Thermal Impedance (LQFP-64) .......2 layer board 76°C/W
JA Thermal Impedance (LQFP-64) .......4 layer board 54°C/W
Lead Temperature Range (Soldering, 60sec) ........... 300°C


Description

The ADP3500 is a multifunction power system chip optimized for CDMA cell phone power management. It contains 15 LDOs. Sophisticated controls are available for power up during battery charging, keypad interface, GPIO/INT function and RTC function. The battery charger has four modes as Pre-charge, Low Current Charge, Full Current Charge, and Regulator modes, and is designed for Li-Ion/Li-Polymer batteries.




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