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ADP2106 Datasheet

Part Number ADP2106
Manufacturers Analog Devices
Logo Analog Devices
Description Step-Down DC-to-DC Converter
Datasheet ADP2106 DatasheetADP2106 Datasheet (PDF)

Data Sheet FEATURES Extremely high 97% efficiency Ultralow quiescent current: 20 μA 1.2 MHz switching frequency 0.1 μA shutdown supply current Maximum load current ADP2105: 1 A ADP2106: 1.5 A ADP2107: 2 A Input voltage: 2.7 V to 5.5 V Output voltage: 0.8 V to VIN Maximum duty cycle: 100% Smoothly transitions into low dropout (LDO) mode Internal synchronous rectifier Small 16-lead 4 mm × 4 mm LFCSP package Optimized for small ceramic output capacitors Enable/shutdown logic input Undervoltage loc.

  ADP2106   ADP2106






Part Number ADP2109
Manufacturers Analog Devices
Logo Analog Devices
Description Step-Down Converter
Datasheet ADP2106 DatasheetADP2109 Datasheet (PDF)

Data Sheet FEATURES Peak efficiency: 95% Discharge switch function Fixed frequency operation: 3 MHz Typical quiescent current: 18 μA Maximum load current: 600 mA Input voltage: 2.3 V to 5.5 V Uses tiny multilayer inductors and capacitors Current mode architecture for fast load and line transient response 100% duty-cycle low dropout mode Internal synchronous rectifier Internal compensation Internal soft start Current overload protection Thermal shutdown protection Shutdown supply current: 0.2 μA .

  ADP2106   ADP2106







Part Number ADP2108
Manufacturers Analog Devices
Logo Analog Devices
Description Step-Down DC-to-DC Converter
Datasheet ADP2106 DatasheetADP2108 Datasheet (PDF)

Data Sheet FEATURES Peak efficiency: 95% 3 MHz fixed frequency operation Typical quiescent current: 18 μA Maximum load current: 600 mA Input voltage: 2.3 V to 5.5 V Uses tiny multilayer inductors and capacitors Current mode architecture for fast load and line transient response 100% duty cycle low dropout mode Internal synchronous rectifier Internal compensation Internal soft start Current overload protection Thermal shutdown protection Shutdown supply current: 0.2 μA Available in 5-ball WLCSP 5.

  ADP2106   ADP2106







Part Number ADP2107
Manufacturers Analog Devices
Logo Analog Devices
Description Step-Down DC-to-DC Converter
Datasheet ADP2106 DatasheetADP2107 Datasheet (PDF)

Data Sheet FEATURES Extremely high 97% efficiency Ultralow quiescent current: 20 μA 1.2 MHz switching frequency 0.1 μA shutdown supply current Maximum load current ADP2105: 1 A ADP2106: 1.5 A ADP2107: 2 A Input voltage: 2.7 V to 5.5 V Output voltage: 0.8 V to VIN Maximum duty cycle: 100% Smoothly transitions into low dropout (LDO) mode Internal synchronous rectifier Small 16-lead 4 mm × 4 mm LFCSP package Optimized for small ceramic output capacitors Enable/shutdown logic input Undervoltage loc.

  ADP2106   ADP2106







Part Number ADP2105
Manufacturers Analog Devices
Logo Analog Devices
Description Step-Down DC-to-DC Converter
Datasheet ADP2106 DatasheetADP2105 Datasheet (PDF)

Data Sheet FEATURES Extremely high 97% efficiency Ultralow quiescent current: 20 μA 1.2 MHz switching frequency 0.1 μA shutdown supply current Maximum load current ADP2105: 1 A ADP2106: 1.5 A ADP2107: 2 A Input voltage: 2.7 V to 5.5 V Output voltage: 0.8 V to VIN Maximum duty cycle: 100% Smoothly transitions into low dropout (LDO) mode Internal synchronous rectifier Small 16-lead 4 mm × 4 mm LFCSP package Optimized for small ceramic output capacitors Enable/shutdown logic input Undervoltage loc.

  ADP2106   ADP2106







Step-Down DC-to-DC Converter

Data Sheet FEATURES Extremely high 97% efficiency Ultralow quiescent current: 20 μA 1.2 MHz switching frequency 0.1 μA shutdown supply current Maximum load current ADP2105: 1 A ADP2106: 1.5 A ADP2107: 2 A Input voltage: 2.7 V to 5.5 V Output voltage: 0.8 V to VIN Maximum duty cycle: 100% Smoothly transitions into low dropout (LDO) mode Internal synchronous rectifier Small 16-lead 4 mm × 4 mm LFCSP package Optimized for small ceramic output capacitors Enable/shutdown logic input Undervoltage lockout Soft start Supported by ADIsimPower™ design tool APPLICATIONS Mobile handsets PDAs and palmtop computers Telecommunication/networking equipment Set top boxes Audio/video consumer electronics TYPICAL OPERATING CIRCUIT 0.1μF 10Ω VIN INPUT VOLTAGE = 2.7V TO 5.5V 10μF FB ON OFF 16 FB 1 EN 15 GND 14 13 IN PWIN1 LX2 12 OUTPUT VOLTAGE = 2.5V 2 GND PGND 11 ADP2107-ADJ 3 GND LX1 10 4 GND VIN PWIN2 9 2μH 85kΩ FB 40kΩ COMP SS AGND NC 5 6 7 8 10μF 10μF 4.7μF LOAD 0A TO 2A 1nF 70kΩ 120pF NC = NO CONNECT Figure 1. Circuit Configuration of ADP2107 with VOUT = 2.5 V 06079-002 1 A/1.5 A/2 A Synchronous, Step-Down DC-to-DC Converters ADP2105/ADP2106/ADP2107 GENERAL DESCRIPTION The ADP2105/ADP2106/ADP2107 are low quiescent current, synchronous, step-down dc-to-dc converters in a compact 4 mm × 4 mm LFCSP package. At medium to high load currents, these devices use a current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stability an.


2007-01-14 : ADN2880    ADN2928    ADP1621    ADP1710    ADP1711    ADP1821    ADP1822    ADP1823    ADP1864    ADP2105   


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