AP7381
WIDE INPUT VOLTAGE RANGE, 150mA ULDO REGULATOR Description Pin Assignments The AP7381 series is a positive voltage regulator IC. (Top View) The AP7381 has features of wide input voltage range, high accuracy,
low dropout voltage, current limit and ultra-low quiescent current
which make it ideal for use in various USB and portable devices. NEW PRODUCT GND The IC consists of a voltage reference, an error amplifier, a resistor
network for setting output voltage, a current limit circuit for current
protection, and a chip enable circuit. 3 VIN 2 GND 1 VOUT SOT89 (Option 2) The AP7381 has 3.3V, 5V fixed voltage version. (Top View) The AP7381 is available in space-saving SOT89 (Option 2) and TO92
(Ammo Packing) packages. Features
п‚ Wide Input Voltage Range: Up to 40V п‚ Low Dropout Voltage: VDROP = 1000mV@IOUT = 100mA@VOUT
= 3.3V 3 VIN 2 GND 1 VOUT п‚ Low Ground Current п‚ High Output Voltage Accuracy п‚ Compatible with Low ESR Ceramic Capacitor п‚ Excellent Line/Load Regulation Applications п‚ Thermal Shutdown Function п‚ п‚ E-Meter Short Current Protection Function п‚ п‚ п‚ Battery-powered Equipment Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3) п‚ Laptop, Palmtops, Notebook Computers п‚ Portable Information Appliances Notes: TO92 (Ammo Packing) 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen-and Antimony-free, "Green"
and Lead-free.
3. Halogen-and Antimony-free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds. Typical Applications Circuit AP7381
Document number: DS39917 Rev. 1 -2 1 of 11
www.diodes.com August 2017
В© Diodes Incorporated AP7381
Pin Descriptions
Pin Number NEW PRODUCT Pin Name
TO92 (Ammo Packing) SOT89 (Option 2) 3 3 2
1 Function VIN Input voltage 2 GND Ground 1 VOUT Regulated output voltage Absolute Maximum Ratings
Symbol Parameter Rating Unit VIN Supply Input Voltage 45 V IOUT Output Current 150 mA TLEAD Lead Temperature (Soldering, 10sec) +260 ВєC TJ Operating Junction Temperature +150 ВєC ОёJA Thermal Resistance SOT89 (Option 2) 125 TO92 (Ammo Packing) 165 В°C/W TSTG Storage Temperature Range -65 to +150 ВєC CDM ESD (Change Device Model) 2000 V HBM ESD (Human Body Model) 4000 V Recommended Operating Conditions
Symbol Parameter Min Max Unit VIN Supply Input Voltage 3.3 40 V TJ Operating Junction Temperature …
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