MAX8668 Series

1.5MHz Dual Step-Down DC-DC Converters with Dual LDOs and Individual Enables

Manufacturer: Analog Devices Inc./Maxim Integrated

Catalog

1.5MHz Dual Step-Down DC-DC Converters with Dual LDOs and Individual Enables

Part	Voltage/Current - Output 1 [Max]	Voltage/Current - Output 1	Voltage/Current - Output 1 [Min]	Mounting Type	Number of Outputs	Voltage/Current - Output 2 [Min]	Voltage/Current - Output 2 [Max]	Voltage/Current - Output 2	Voltage - Supply [Max]	Voltage - Supply [Min]	Voltage/Current - Output 3	Frequency - Switching	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Package / Case	Supplier Device Package
Analog Devices Inc./Maxim Integrated MAX8668ETEP+T	3.3 V	600 mA	0.6 V	Surface Mount	4	0.6 V	3.3 V	1.2 A	5.5 V	2.6 V	3.3 V 300 mA	1.5 MHz	85 °C	-40 C	Linear (LDO) (2) Step-Down (Buck) Synchronous (2)	16-WFQFN Exposed Pad	16-TQFN (3x3)
Analog Devices Inc./Maxim Integrated MAX8668ETEP+	3.3 V	600 mA	0.6 V	Surface Mount	4	0.6 V	3.3 V	1.2 A	5.5 V	2.6 V	3.3 V 300 mA	1.5 MHz	85 °C	-40 C	Linear (LDO) (2) Step-Down (Buck) Synchronous (2)	16-WFQFN Exposed Pad	16-TQFN (3x3)
Analog Devices Inc./Maxim Integrated MAX8668ETET+
Analog Devices Inc./Maxim Integrated MAX8668ETEQ+T	3.3 V	600 mA	0.6 V	Surface Mount	4	0.6 V	3.3 V	1.2 A	5.5 V	2.6 V		1.5 MHz	85 °C	-40 C	Linear (LDO) (2) Step-Down (Buck) Synchronous (2)	16-WFQFN Exposed Pad	16-TQFN (3x3)
Analog Devices Inc./Maxim Integrated MAX8668ETEA+	3.3 V	600 mA	0.6 V	Surface Mount	4	0.6 V	3.3 V	1.2 A	5.5 V	2.6 V		1.5 MHz	85 °C	-40 C	Linear (LDO) (2) Step-Down (Buck) Synchronous (2)	16-WFQFN Exposed Pad	16-TQFN (3x3)
Analog Devices Inc./Maxim Integrated MAX8668ETET+T	3.3 V	600 mA	0.6 V	Surface Mount	4	0.6 V	3.3 V	1.2 A	5.5 V	2.6 V	3.3 V 300 mA	1.5 MHz	85 °C	-40 C	Linear (LDO) (2) Step-Down (Buck) Synchronous (2)	16-WFQFN Exposed Pad	16-TQFN (3x3)
Analog Devices Inc./Maxim Integrated MAX8668ETEX+T
Analog Devices Inc./Maxim Integrated MAX8668ETEQ+
Analog Devices Inc./Maxim Integrated MAX8668ETEU+
Analog Devices Inc./Maxim Integrated MAX8668ETEV+

Catalog

1.5MHz Dual Step-Down DC-DC Converters with Dual LDOs and Individual Enables

Description

The MAX8667/MAX8668 dual step-down converters with dual low-dropout (LDO) linear regulators are intended to power low-voltage microprocessors or DSPs in portable devices. They feature high efficiency with small external component size. The step-down converters are adjustable from 0.6V to 3.3V (MAX8668) or factory preset (MAX8667) with guaranteed output current of 600mA for OUT1 and 1200mA for OUT2. The 1.5MHz hysteretic-PWM control scheme allows for tiny external components and reduces no-load operating current to 100µA with all outputs enabled. Dual low-quiescent-current, low-noise LDOs operate down to 1.7V supply voltage. The MAX8667/MAX8668 have individual enables for each output, maximizing flexibility.The MAX8667/MAX8668 are available in the space-saving, 3mm x 3mm, 16-pin thin QFN package.ApplicationsCell Phones/SmartphonesDigital Cameras, CamcordersHandheld InstrumentsPCMCIA CardsPDA and Palmtop ComputersPortable MP3 and DVD Players