Frequency - Switching is 500kHz, 1MHz - PMIC - Voltage Regulators - DC DC Switching Regulators Distributor - MAX1681ESA MAX1681ESA+ MAX1681ESA+T

Part Number	Manufacturer / Brand	Brife Description	Part Status	Function	Output Configuration	Topology	Output Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output (Min/Fixed)	Voltage - Output (Max)	Current - Output	Frequency - Switching	Synchronous Rectifier	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
MAX1681ESA	Maxim Integrated	IC Regulators SWITCHD Capacitor INV 8SOIC	Obsolete	Ratiometric	Positive or Negative	Charge Pump	Fixed	1	2V	5.5V	-Vin, 2Vin	-	125mA	500kHz, 1MHz	No	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
MAX1681ESA+	Maxim Integrated	IC Regulators SWITCHD Capacitor INV 8SOIC	Active	Ratiometric	Positive or Negative	Charge Pump	Fixed	1	2V	5.5V	-Vin, 2Vin	-	125mA	500kHz, 1MHz	No	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
MAX1681ESA+T	Maxim Integrated	IC Regulators SWITCHD Capacitor INV 8SOIC	Active	Ratiometric	Positive or Negative	Charge Pump	Fixed	1	2V	5.5V	-Vin, 2Vin	-	125mA	500kHz, 1MHz	No	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
MAX8505EEE+	Maxim Integrated	IC Regulators BUCK ADJ 3A SYNC 16QSOP	Active	Step-Down	Positive	Buck	Adjustable	1	2.6V	5.5V	0.8V	4.68V	3A	500kHz, 1MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	16-SSOP (0.154", 3.90mm Width)	16-QSOP
MAX8505EEE+T	Maxim Integrated	IC Regulators BUCK ADJ 3A SYNC 16QSOP	Active	Step-Down	Positive	Buck	Adjustable	1	2.6V	5.5V	0.8V	4.68V	3A	500kHz, 1MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	16-SSOP (0.154", 3.90mm Width)	16-QSOP