3-TERMINAL REGULATOR (-3.3V) February 2, 1998 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The SC1714 is a 3-terminal negative voltage regulator with an output voltage rated at 3.3V below the positive supply voltage. Designed to be an improved plug in replacement for the BA714, it offers a low typical supply current of 12µA, a high output current sinking capability of 5mA, and a low negative temperature coefficient. It also features output overload protection. The SC1714 is ideal as a power source for liquid crystal displays. TYPICAL APPLICATION CIRCUIT SC1714 FEATURES • Low power supply current. • Low negative TC. • High output sinking capability. • Ouput overload protection. APPLICATIONS • Printing calculators • Cameras • Voltage reference for instrumentation ORDERING INFORMATION (1) DEVICE PACKAGE SC1714ZS5 TO-92 Note: (1) Add suffix ‘TR’ for tape and reel. ABSOLUTE MAXIMUM RATINGS Parameter Symbol Maximum Units Supply Voltage VCC 12.5 V Power Dissipation PD 300 mW Operating Temperature Range TA -25 to 75 °C Storage Temperature Range TSTG -55 to 125 °C Output Current IOUT 50 mA PIN CONFIGURATION PIN DESCRIPTIONS © 1997 SEMTECH CORP. PIN 1: GND Ground PIN 2: VIN Input voltage PIN 3: VOUT Ouput Voltage 652 MITCHELL ROAD NEWBURY PARK CA 91320 3-TERMINAL REGULATOR (-3.3V) SC1714 February 2, 1998 ELECTRICAL CHARACTERISTICS Unless otherwise specified, TA = 25°C, VCC = 6.0V Parameter Symbol Conditions Min Output Voltage VOUT VCC = 4-12V, IOUT = 50-300µA TA = 0°C-40°C 3.2 Supply Current ICC RL = ∞ 12 VOUT / VCC RL = ∞ 1 Output Voltage to Supply Voltage Ratio Output Short Circuit Current IOS Typ 5 Max Units 3.4 V 17 µA mV/V 10 mA TEST CIRCUIT TYPICAL PERFORMANCE CHARACTERISTICS © 1997 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 3-TERMINAL REGULATOR (-3.3V) SC1714 February 2, 1998 TYPICAL PERFORMANCE CHARACTERISTICS (cont.) DEVICE OUTLINE - TO-92 © 1997 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320