LM2665M6/NOPB Switched Capacitor Vltg Converter Power Path Management IC SMD/SMT Mounting
microchip battery management
,power management integrated circuit
LM2665M6/NOPB Power Path Management IC Switching Voltage Regulators SWITCHED CAPACITOR VLTG CONVERTER
1 Features
- Input Voltage for Voltage Doubler: 2.5 V to 5.5 V
-
Voltage Divider Splits Voltage: 1.8 V to 11 V
-
Doubles or Splits Input Supply Voltage
-
12-Ω Typical Output Impedance
-
90% Typical Conversion Efficiency at 40 mA
-
1-μA Typical Shutdown Current
2 Applications
-
Cellular Phones
-
Pagers
-
PDAs
-
Operational Amplifier Power Suppliers
-
Interface Power Suppliers
-
Handheld Instruments
-
Fire Detection and Notification
-
Industrial Handheld Radios
-
Blood Pressure Monitors
3 Description
The LM2665 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of 2.5 V to 5.5 V. Two low-cost capacitors and a diode (needed during start-up) are used in this circuit to provide up to 40 mA of output current. The LM2665 can also work as a voltage divider to split a voltage in the range of 1.8 V to 11 V in half.
The LM2665 operates at 160-kHz oscillator frequency to reduce output resistance and voltage ripple. With an operating current of only 650 μA (operating efficiency greater than 90% with most loads) and 1-μA typical shutdown current, the LM2665 provides ideal performance for battery powered systems.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LM2665 |
SOT-23 (6) |
2.90 mm × 1.60 mm |
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