MM1562E

MITSUMI 500mA Regulator Monolithic IC MM156 500mA Regulator MM156 F F Outline This IC is a small, stable power supply with output voltage precision of ±2% (when IO = 250mA), maximum output current of 500mA, and I/O voltage difference of 0.3V typ. at 250mA. Output noise reduction and output ON/OFF control pins are provided, making it ideal for portable equipment. Features 1. No-load current consumption 2. I/O voltage difference 3. Ripple rejection rate 4. Output current 5. Output noise voltage 6. Output voltage rank 7. Output ON/OFF control 1.9mA typ. 0.3V typ. (IO=250mA) 64dB typ. (f=120Hz, VRIPPLE=1VP-P, IO=250mA) 500mA max. 75µVrms typ. 1.8 ~ 5.0V (0.1V steps) High ON, Low OFF Package SOP-7B Applications 1. Cordless telephone 2. Portable equipment, etc. Pin Assignment 765 1234 SOP-7B (TOP VIEW) 1 2 3 4 5 6 7 VO NC GND Cn CONT Sub VIN MITSUMI Equivalent Circuit Diagram VIN Cont Bias Thermal shutdown Driver 500mA Regulator MM156 F VO Current limitter Reference GND Pin Description Pin No. 1 Pin name VOUT Function Output pin 2 NC No connection 3 GND Ground 4 Cn Noise decrease pin Cn Internal equivalent circuit diagram VOUT Error Amp. VOUT Cn Error Amp. MITSUMI Pin No. 5 Pin name CONT Function Control pin COUT H L Output ON OFF 500mA Regulator MM156 F Internal equivalent circuit diagram Cont 225k 300k 6 Sub Substrate The 6pin must be connected to GND. 7 VIN Input pin VIN Bias Absolute Maximum Ratings (Ta=25°C) Item Storage temperature Suppl...