ROHM BA4911 free download

File name ba4911.pdf

03W202A System regulator for car stereo BA4911 Description BA4911 is a system regulator IC for car stereo. This IC incorporates 1 channel of 5.0V output, 2 channels of 8.12V output, 1channel of 7.9V output, 1channel of 10.3V output and 2 channels of high side switch. 21.6 ± 0.5 Dimension (Unit : mm) 29.8 ± 0.2 24.0 ± 0.1 4.7 ± 0.2 R1.8 6.9 ± 0.1 7.0 ± 0.1 6.5 ± 0.5 Features 1) PNP output and low drop out type 2) Built-in output current limits circuit to protect IC from destruction by short 3) Built-in over-voltage protection circuit to deliver strong design for surge input to BACK UP and Vcc 4) 12pin power package perfect for space saving design 5) Built-in thermal protection circuit to protect IC from thermal destruction 6) Strong design against instant power failure of battery because VDD can be driven by load stored in BACK UP capacitor. Applications Car stereo Absolute Maximum Ratings (Ta=25°C) Parameter Power supply voltage Power dissipation Operating temperature range Storage temperature range 1 1.2 1 2.54 0.6 1.2 12 0.4 ± 0.1 SIP-M12 Symbol Vcc Pd Topr Tstg Vcc PEAK -30 -55 Limits 36 3000 ~ ~ 50 Unit V mW +85 +150 1 °C °C V Peak applied voltage Derating : 27.2mW/°C for operation above Ta=25°C tr 1msec Applied time within 200msec Recommended Operating Conditions (Ta=25°C) Parameter Recommended supply voltage 1 Recommended supply voltage 2 Recommended supply voltage 3 Symbol Vcc1 Vcc2 Vcc3 Min. 10 8.2 11.4 Typ. 14.4 14.4 14.4 Max. 18 18 18 Unit V V V Conditions Except VDD output, ILM output VDD output ILM output Electric characteristic is not guaranteed. (Especially at low input voltage) 13.9 ± 0.3 Electrical characteristics (Unless otherwise noted; Ta=25°C, Vcc=14.4V) Parameter Standby circuit current 1 Standby circuit current 2 Output voltage (VDD) 1 Min. I/O voltage difference 1 Min. I/O voltage difference 2 Output current capacity Output voltage (AUDIO) 2 Min. I/O voltage difference Output current capacity I/O voltage difference (P.COM) 3 Output current capacity I/O voltage difference (P.ANT) 4 Output current capacity Output voltage (AM) 5 Min. I/O voltage difference Output current capacity Output voltage (FM) 6 Min. I/O voltage difference Output current capacity Output voltage (ILM) 7 Min. I/O voltage difference Output current capacity Symbol IST1 IST2 VO1 VO1 VO1' IO1 VO2 VO2 IO2 VO3 IO3 VO4 IO4 VO5 VO5 IO5 VO6 VO6 IO6 VO7 VO7 IO7 Min. 4.80 300 7.80 200 300 300 7.5 50 7.8 50 9.9 250 Typ. 100 100 5.00 0.4 2.5 8.12 0.4 0.4 0.4 7.9 0.4 8.12 0.4 10.3 0.4 - Max. 150 150 5.20 0.7 3.0 8.30 0.7 0.7 0.7 8.3 0.7 8.3 0.7 10.7 0.7 - Unit µA µA V V V mA V V mA V mA V mA V V mA V V mA V V mA Vcc=13.2V Conditions IO=300mA, Vcc=10~18V IO=300mA, VBU-VO1 IO=300mA, Vcc-VO1 VO14.8V IO2=200mA, Vcc=10~18V, -30°C~80°C IO2=200mA, Vcc-VO2 VO27.8V IO3=200mA VO313.7V IO4=200mA VO413.7V IO5=50mA VO57.5V IO6=50mA, Vcc=10~18V, -30°C~80°C IO6=50mA, Vcc-VO6 VO67.8V IO7=250mA, Vcc=10~18V IO7=250mA, Vcc-VO7 VO79.9V *1 *1 IO5=50mA, Vcc=1