●A8180SLU/SLT Series A8180SLU/SLT Series A8184SLT, A8187SLT are product of Allegro Microsystems, INC. Surface-Mount, Low Quiescent Current, Low Dropout Voltage Dropper Type ■Features • Compact surface-mount package (equivalent to SOT-89) • Output current: 0.15A • Low circuit current Iq≤60µA (Output ON: VIN=6V, IO=0 to 0.1A) Iq(off)≤5µA(Output OFF: A8183SLU,A8186SLU) • Low dropout voltage: VDIF≤150mV (IO=60mA) • Output ON/OFF control terminal is compatible with LS-TTL. (A8183SLU, A8186SLU) • Built-in thermal protection circuit ■Applications • Portable phones and PHS telephones • Battery-driven electronic equipment ■Absolute Maximum Ratings Parameter 8 (Ta=25°C) Symbol Ratings Unit V DC Input Voltage VIN 10 DC Output Current IO 0.15 A Power Dissipation PD 0.5(TC=25°C) W Junction Temperature Tj 150 °C Ambient Operating Temperature Top –30 to +85 °C Storage Temperature Tstg –40 to +150 °C ●A8180SLU/SLT Series ■Electrical Characteristics (Ta=25°C unless otherwise specified) Ratings Parameter Symbol A8183SLU min. Input Voltage typ. VIN 2.9 3.0 Conditions typ. 3.1 A8186SLU max. 2.9 3.0 20 7 30 90 30 Conditions 3.1 3.2 3.3 3.4 –1.0 1.0 45 –1.0 60 Conditions 3.3 3.4 0.15 20 V 0.15 7 20 7 20 90 30 90 30 90 1.0 –1.0 1.0 45 60 45 –1.0 V mV mV 1.0 60 mV/°C 45 60 µA VIN=6V, IO=0 to 0.1A Quiescent Circuit Iq(off) 5 5 Current Conditions VIN=4.5 to 8V, VC=0.4V VIN=4.5 to 8V, VC=0.4V Control Voltage VO(off) 2.0 2.0 (Output ON) Conditions VC Control Voltage VC. OL Terminal* (Output OFF) Conditions VIN=6V 0.8 VIN=6V –1.0 V VIN=6V 1.0 Conditions µA V VIN=6V 0.8 IC 3.2 V Tj=–30 to +85°C Iq Input Current 8 VIN=6V, IO=0 to 0.1A Conditions Circuit Current Unit max. VIN=4.5 to 6V, IO=0A ∆VOLOAD of Output Voltage typ. IO=60mA 7 ∆VO/∆Ta min. 8 0.15 Conditions Temperature Coefficient A8187SLT max. VIN=4.5 to 8V, IO=0 to 0.1A 0.15 ∆VOLINE Load Regulation typ. 8 Conditions Line Regulation min. VIN=4 to 8V, IO=0 to 0.1A VDIF Dropout Voltage min. 8 VO Output Voltage A8184SLT max. –1.0 VIN=6V 1.0 µA VIN=6V *Output is OFF when output ON/OFF terminal (VC terminal) is open. ■Outline Drawing (unit: mm) A8183SLU/A8186SLU A8184SLT/A8187SLT 4.5±0.1 1.6±0.2 1.5±0.1 0.49max. 0.4 4 8±1° 3 8±1° 0.49max. 0.49max. 0.54max. 1.5±0.1 1.5±0.1 2.13 2.29 5±1° 0.44max. q w e r t 0.35 0.44 0.89 1.20 5±1° 2 1.40 1.60 1.62 1.83 3.94 4.25 0.95±0.15 1 2.5±0.1 1.0 φ 4.5±0.3 5 4.40 4.60 0.44max. 0~0.2 GND GND VC VIN VO 1 2 2.29 2.60 0.44 0.56 0.36 0.48 3 (min. /max.) (1.50) (3.00) q VIN w GND e VO 9 ●A8180SLU/SLT Series ■Block Diagram A8183SLU/A8186SLU A8184SLT/A8187SLT VIN r t VO Amp. Reg. VIN q e VO Amp. DRIVE Reg. VC e DRIVE ENABLE TSD VREF TSD VREF w GND w GND q GND ■Standard External Circuit A8183SLU/A8186SLU Output VO VIN *C20 *C11 Battery A8184SLT/A8187SLT VC + Battery GND 2 GND *1 C1: Oscillation prevention capacitor (Approx. 0.3µF) *2 C0: Output capacitor (Approx. 4.7µF) ■Ta-PD Characteristics Power Dissipation PD (mW) 600 500 400 300 200 100 0 –30 0 25 50 75 Ambient Temperature Ta (°C) PD=IO•[VIN(mean)–VO] 10 *C20 *C11 GND 100 Output VO 3 VIN 1 + ●A8180SLU/SLT Series ■Typical Characteristics (Ta=25°C) Rise Characteristics (A8183SLU/A8184SLT) Circuit Current 40 Circuit Current Iq (µA) 4 3 2 IO = 1 0A 0.05 50 0 0 20 40 60 80 100 120 Output Current IO (mA) 0 0 mA Output Voltage VO (V) 0.10 IO=0 30 0mA to 10 20 10 1 2 3 4 5 6 Input Voltage VIN (V) 7 8 0 0 1 2 3 4 5 6 7 8 Input Voltage VIN (V) Output ON/OFF Control (A8183SLU) 4 Output Voltage VO (V) Dropout Voltage VDIF (V) 0.15 5 IO= 100 IO vs. VDIF Characteristics 0.20 3 2 1 0 0 0.5 1.0 1.5 2.0 2.5 3.0 Output Control Voltage VC (V) 11