0
ACTIVE
Rating |
Catalog |
Iout (max) (A) |
0.04 |
Vin (max) (V) |
5.8 |
Vin (min) (V) |
2.5 |
Vout (max) (V) |
11 |
Vout (min) (V) |
1.8 |
Features |
Enable, Unregulated |
Operating temperature range (°C) |
-40 to 85 |
Iq (typ) (A) |
0.00065 |
SOT-23 (DBV)-6-8.12 mm² 2.9 x 2.8
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.
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