Wi-Fi Power



Data Sheets
Part Number Description:  Key Advantages
MAX8668 1.5MHz Dual Step-Down DC-DC Converters with Dual LDOs and Individual Enables

Save Power and Board Space Using the Industry's First Dual Step-Down DC-DC Converters with Dual Low-Input LDOs 
MAX8640Y Tiny 500mA, 4MHz/2MHz Synchronous Step-Down DC-DC Converters

Smallest 2mm x 2.1mm SC70 Package, the Industry's Smallest Total Solution Size, and Most Robust 4MHz/2MHz Step-Down DC-DC Converters on the Market that Can Deliver 500mA with Over 93% Efficiency 



Key Specifications:

Multifunction PMICs
Part Number Primary Topology Monitor/Control Features DC-DC/Power Features VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Oper. Freq.
(kHz)
Budgetary
Price
min max min max See Notes
MAX8667  Step-Down Shutdown
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
Sync. Rectifier
2.6 5.5 0.725 3.3 1.2 1.2 1500 $3.16 @1k
MAX8668  0.6
See All Multifunction PMICs (73)


Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
Output Adjust. Method IOUT1 (max)
(A)
Switch Type Synchronous Switching DC-DC Outputs Oper. Freq.
(kHz)
Budgetary
Price
min max min max See Notes
MAX8640Y  2.7 5.5 0.8 2.5
1
1.1
1.2
1.3
1.5
1.8
2.5
Preset 0.5 Internal Yes 1 2000 $2.00 @1k
MAX8640Z  1.1 1.8
1.1
1.2
1.3
1.5
1.8
4000
See All Step-Down Switching Regulators (316)