General DescriptionThe MAX1759 is a buck/boost regulating charge pump that generates a regulated output voltage from a single lithium-ion (Li+) cell, or two or three NiMH or alkaline cells for small hand-held portable equipment. The MAX1759 operates over a wide +1.6V to +5.5V input voltage range and generates a fixed 3.3V or adjustable (2.5V to 5.5V) output (Dual Mode™). Maxim’s unique charge-pump architecture allows the input voltage to be higher or lower than the regulated output voltage. Despite its high 1.5MHz operating frequency, the MAX1759 maintains low 50µA quiescent supply current.

Features♦ Regulated Output Voltage (Fixed 3.3V or Adjustable 2.5V to 5.5V)
♦ 100mA Guaranteed Output Current
♦ +1.6V to +5.5V Input Voltage Range
♦ Low 50µA Quiescent Supply Current
♦ 1µA Shutdown Mode
♦ Load Disconnected from Input in Shutdown
♦ High 1.5MHz Operating Frequency
♦ Uses Small Ceramic Capacitors
♦ Short-Circuit Protection and Thermal Shutdown
♦ Small 10-Pin µMAX Package

Applications Li+ Battery-Powered Applications
Miniature Equipment
Backup Battery Boost Converters
Translators

Manufacturer	Maxim Integrated
Product Category	AC DC Converters, Offline Switchers
Series	MAX17595
Packaging	Tube Alternate Packaging
Mounting-Style	SMD/SMT
Package-Case	16-WFQFN Exposed Pad
Operating-Temperature	-40°C ~ 125°C (TA)
Mounting-Type	Surface Mount
Supplier-Device-Package	16-TQFN (3x3)
Watt	-
Output-Isolation	Isolated
Internal-Switch-s	No
Voltage-Breakdown	-
Topology	Flyback
Voltage-Start-Up	20V
Voltage-Supply-Vcc-Vdd	8 V ~ 29 V
Duty-Cycle	48%
Frequency-Switching	100kHz ~ 1MHz
Fault-Protection	Current Limiting, Over Temperature, Over Voltage, Short Circuit
Control-Features	EN, Frequency Control, Soft Start, Sync
Maximum Operating Temperature	+ 125 C
Operating temperature range	- 40 C
Operating-Supply-Voltage	7.5 V
Output-Voltage	7.4 V
Operating-Supply-Current	2 mA
Output-Current	100 mA
Switching-Frequency	1000 kHz
Fall-Time	10 ns
Rise-Time	20 ns
Part-#-Aliases	MAX17595
Package-Case	TQFN-EP-16
Duty-Cycle-Max	50 %