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| AN6545, AN6545SP Low Power Loss Voltage Regulators s Overview The AN6545 and AN6545SP are the voltage regulators with strobe pin which can turn on/off an output. A rated load current is 150mA and an output voltage is fixed at 5V. AN6545 8.0 +0.5 - 0.1 Unit:mm 3.05 3.8 1.94 1 234 11.5max. 15.0min. s Features * 150mA rated load current and 5V fixed output voltage * Capable of turning off an output by setting the strobe pin to the "L" level * Minimum input/output voltage difference:typ. 0.25V * Built-in overcurrent protective circuit * TO-126 (4-lead) package for the AN6545, and surfacemount type 5-pin SIL plastic package for the AN6545SP 1.778 5.334 1234 3.5max. 1.778 1.778 0.50.2 0.50.1 1.44 1.76 4-pin SIL Plastic Package (SSIP004-P-0000B) AN6545SP 1.50.25 8.50.4 7.50.3 5.00.25 Unit:mm 2.30.3 0.50.1 9.50.4 0.70.1 1.50.25 5.50.3 0 -- 0.2 1.20.25 + 0.1 1.27 0.50.1 (1.1) (2.5) 0.5 - 0.05 12345 5-pin SIL Plastic Package (HSIP005-P-0000) s Block Diagram 1 Over Current Detector 2 4 Starter Current Source Saturation Detector Voltage Fluctuation Detector 3 + VI 5 1 GND - 3 Fin Voltage Reference The numbers in are the pin numbers of the AN6545SP s Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage Power dissipation AN6545 AN6545SP AN6545 AN6545SP Symbol VI PD Topr Tstg Rating 14.4 1300 * 500 -20 to+75 -55 to+150 -55 to+125 Unit V mW mW C C C Operating ambient temperature Storage temperature * Mounted onto the PCB s Electrical Characteristics (Ta=25C) Parameter Output voltage Output voltage range Bias current Load regulation Line regulation Minimum input/output voltage difference Rush current Output short-circuit current Load bias current change Off-state cathode current Strobe pin input current Strobe pin threshold voltage Ripple rejection ratio Symbol VO Vt Ibias REGL REGIN VDIF (min) Irush IO (short) Ibiasl IOFF IS VS (TH) RR Condition VI=12V, IO=150mA VI=6 to 14.4V, IO=0 to 150mA VI=12V, IO=0mA VI=12V, IO=0 to 150mA VI=6 to 14V, IO=150mA VI=4.5V, IO=150mA VI=4.5V, IO=0mA VI=12V VI=12V, IO=0 to 150mA VI=12V, VS=0V VI=12V, VS=2.5V VI=12V VI=10 to 14V, IO=150mA, f=120kHz 0.8 2 55 350 2.5 550 10 2 200 2.4 min 4.8 4.7 typ 5 5 2.9 max 5.2 5.3 4 100 100 5 Unit V V mA mV mV V mA mA mA A A V dB s Application Circuit 3 5 In 10F 1 AN6545 AN6545SP 3 F 2 1 4 Out 10F STB The number in are the pin numbers of the AN6545SP at low * When usingfor aoutputtemperature, it is recommended to use capacitors with low internal impedance (for example, tantalum capacitors) capacitors. s Characteristics Curve II -VI 4 (Iout=0mA) VI=12V 5.2 VOUT -Ta Input Current II (mA) 3 Output Voltage VOUT (V) 5.1 2 5.0 4.9 1 4.8 0 0 2 4 6 8 10 12 14 16 -40 0 40 80 120 160 Input Voltage VI (V) Ambient Temperature Ta (C) VOUT -VSTB 8 VI=12V 7 6 5 4 3 2 1 0 0 0 1 2 3 1.5 (1.45W) PD -Ta When Mounted on PCB; 10mm x 10mm, With Cu Foil, o3cm Al Substrate Used Power dissipation PD (W) Output Voltage VOUT (V) 1.0 0.5 Single Unit 0 50 100 125 150 Strobe Pin Voltage VSTB (V) Ambient Temperature Ta (C) |
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