Product Summary

The lm2685mtc is a CMOS charge-pump voltage converter. It operates as an input voltage doubler, +5V regulator and inverter for an input voltage in the range of +2.85V to +6.5V. Five low cost capacitors are used in this circuit to provide up to 50mA of output current at +5V (± 5%), and 15mA at -5V. The lm2685mtc operates at a 130 kHz switching frequency to re- duce output resistance and voltage ripple. With an operating current of only 800μA (operating efficiency greater than 80% with most loads) and 6μA typical shutdown current, the lm2685mtc is ideal for use in battery powered systems. The device is in a small 14-pin TSSOP package. The applications of the lm2685mtc include Cellular phones, PDAs, Handheld instrumentation and 3.3V to 5V voltage conversion applications.

Parametrics

lm2685mtc absolute maximum ratings: (1)Supply Voltage (VIN to GND or GND to VNEG): 6.8V; (2)SDN, SDP, CE: (GND - 0.3V) to (VIN + 0.3V); (3)V05 Continuous Output Current: 80mA; (4)Continuous Power Dissipation (TA= 25℃): 600mW; (5)TJMAX: 150℃; (6)θJA: 140℃/W; (7)Operating Ambient Temp. Range: -40 to 85℃; (8)Operating Junction Temp. Range: -40 to 125℃; (9)Storage Temp. Range: -65 to 150℃; (10)Lead Temp. (Soldering, 10 sec.): 300℃; (11)ESD Rating: 2kV.

Features

lm2685mtc features: (1)+5V regulated output; (2)Inverts V05(+5V) to VNEG(-5V); (3)Doubles input supply voltage; (4)TSSOP-14 package; (5)80% typical conversion efficiency at 25mA; (6)Input voltage range of 2.85V to 6.5V; (7)Independent shutdown control pins.

Diagrams

lm2685mtc block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM2685MTC
LM2685MTC
Other

Data Sheet
Negotiable 
LM2685MTC/NOPB
LM2685MTC/NOPB

IC REG MULTI CONFIG DL 14-TSSOP
Data Sheet
Negotiable 
LM2685MTCX/NOPB
LM2685MTCX/NOPB

IC REG MULTI CONFIG 50MA 14TSSOP
Data Sheet
Negotiable