DESCRIPTION

The SCI7661COA/MOACMOS DC-DC Converter features high operational performance with low power dissipation. It consists of two major parts: the booster circuitry and the regulator circuitry. The booster generates a doubled output voltage(–2.4 to –12V) or tripled output voltage(–3.6 to –18V) from the input (–1.2 to –6V). The regulator is capable of setting the output to any desired voltage. The regulated voltage can be given one of the three threshold temperature gradients.

FEATURES

● High performance with low power dissipation

● Simple conversion of VIN (–5V) to |VIN| (+5V), 2 |VIN| (+10V), 2VIN (–10V) or 3VIN(–15V)

● On-chip output voltage regulator

● Power conversion efficiency–Typ. 95

● Temperature gradient for LCD power supply – 0.1 / °C, 0.4/°C or 0.6/ °C

● Power off by external signals – Stationary current at power off – Max. 2 µA

● Cascade connection–two device connected: VIN=–5V, VOUT=–20V

● On-chip C–R oscillator

● Package .................................... SCI7661C0A: DIP-14pin(plastic)

SCI7661M0A: SOP5-14pin(plastic)

SCI7661MAA: SSOP2-16pin(plastic)