Description Features The SE5169 series of fixed output low dropout linear regulators are designed for portable battery powered applications, which require low power consumption and low dropout voltage. Each device contains a bandgap voltage reference, an error amplifier, a PMOS power transistor, and resistors for setting output voltage, and current limit and temperature limit protection circuits. The SE5169 has been designed to be used ¾ Typical 110mV Dropout Voltage at 150mA. ¾ Excellent Line and Load Regulation. ¾ High Accuracy Output Voltage of 2%. ¾ Ultra-Low Ground Current at 35μA (Typ.) ¾ Over Current and thermal Protection. ¾ No Reverse Current. ¾ Available in SOT-23-3L and TO-92 Packages ¾ 100% Lead (Pb)-Free Application with low cost capacitors and requires a minimum ¾ USB removable devices output capacitor of 1.0μF. The output voltages ¾ MPEG4 devices range from 1.3V to 4.4V in 100mV increments. ¾ Wireless LAN’s Standard voltage versions are 1.5, 1.8, 2.5, 2.8, 3.0, ¾ Hand-Held Instrumentation. and 3.3V. ¾ Portable DVD players ¾ Digital camera Ordering/Marking Information Package Revision Ordering Information Marking Information 3.3V SE5169ALN-LF 169AN_ 2.8V SE5169BLN-LF 169BN_ for production year 2001, and 2.5V SE5169CLN-LF 169CN_ underlined 1 is for year 2002. next character is marked on top for 1.8V SE5169DLN-LF 169DN_ 1.5V SE5169ELN-LF 169EN_ 3.0V SE5169FLN-LF 169FN_ 3.3V SE5169ALG-LF 169AG_ 2.8V SE5169BLG-LF 169BG_ 2.5V SE5169CLG-LF 169CG_ 1.8V SE5169DLG-LF 169DG_ Starting with 1, a bar on top of 1 is The 2003, and underlined for 2004. The naming pattern continues with consecutive characters for later years. The last character is the week code. (A-Z: 1-26, a-z: 27-52) A dot on top right corner is for 1.5V SE5169ELG-LF 169EG_ lead-free process. 3.0V SE5169FLG-LF 169FG_ LF: lead free. 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 1 Ordering/Marking Information (Continued) Package Revision Ordering Information 3.3V SE5169AHN-LF 2.8V SE5169BHN-LF 2.5V SE5169CHN-LF 1.8V SE5169DHN-LF 1.5V SE5169EHN-LF 3.0V SE5169FHN-LF 3.3V SE5169AHG-LF 2.8V SE5169BHG-LF 2.5V SE5169CHG-LF 1.8V SE5169DHG-LF 1.5V SE5169EHG-LF 3.0V SE5169FHG-LF Marking Information SE5169AHN YYWW-LF SE5169BHN YYWW-LF SE5169CHN YYWW-LF SE5169DHN YYWW-LF SE5169EHN YYWW-LF SE5169FHN YYWW-LF SE5169AHG YYWW-LF SE5169BHG YYWW-LF SE5169CHG YYWW-LF SE5169DHG YYWW-LF SE5169EHG YYWW-LF SE5169FHG YYWW-LF YY: year code WW: week code. LF: lead free. 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 2 Absolute Maximum Ratings(1) Operating Ratings(2) Supply Input Voltage (VIN) ..…….……………… +6V Supply Input Voltage (VIN) …...……... +2.0V to +5.5V (3) Junction Temperature (TJ) ……….….. 0°C to +125°C Power Dissipation (PD) ……….. Internally Limited Junction Temperature (TJ) …….…………...... 150°C Package Thermal Resistance Lead Temperature (soldering, 5 sec.) …....…. 260°C 160°C/W (TO-92) Storage Temperature (TS) ……….. -40°C to +150°C 250°C/W (SOT-23-3L) Electrical Characteristics VIN = 5.0V; CIN = 2.2μF; COUT = 2.2μF; IOUT = 10mA; TJ = 25°C, unless otherwise specified. Symbol Parameter VOUT ΔVOUT /ΔT Conditions Min Typ Max SE5169-1.5V (VIN=1.8V) 1.470 1.5 1.530 SE5169-1.8V (VIN=3.3V) 1.764 1.8 1.836 Output Voltage SE5169-2.5V 2.450 2.5 2.550 Accuracy SE5169-2.8V 2.744 2.8 2.856 SE5169-3.0V 2.940 3.0 3.060 SE5169-3.3V 3.234 3.3 3.366 -- 0.1 -- mV/℃ -- 0.2 -- %/V -- 1.0 -- % Output Voltage Temperature Coefficient Note 4 ΔVOUT / VOUT Line Regulation VIN = （VOUT +0.8）V to 5.5V ΔVOUT / VOUT Load Regulation(5) VIN = (VOUT +0.8V) or 2.5V VIN - VOUT TPROTECTION (6) Dropout Voltage Thermal Protection IOUT =10mA to 300mA Units V IOUT =10mA -- 8 -- IOUT =150mA -- 110 -- IOUT =300mA -- 250 -- -- 150 -- ℃ Protection Hysterisys -- 20 -- ℃ Thermal Protection Temperature mV PSRR Ripple Rejection f =120Hz -- 61 -- dB IGROUND Ground Current IOUT =10mA -- 35 -- μA ILIMIT Current Limit VOUT =0V -- 500 -- mA Revision 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 3 Note 1: Exceeding the absolute maximum rating may damage the device. Note 2: The device is not guaranteed to function outside its operating rating. Note 3: The maximum allowable power dissipation at any TA (ambient temperature) is calculated using: PD(MAX) = (TJ(MAX) - TA)/θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. See Table 1 and the “Thermal Considerations” section for details. Note 4: Output voltage temperature coefficient is the worst-case voltage change divided by the total temperature range. Note 5: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from 100μA to 300mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification. Note 6: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. Typical Application Revision 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 4 Load Regulation (VIN=4.3V) 3.40 3.40 3.35 3.35 VOUT (V) VOUT (V) Line Regulation (IOUT=10mA) 3.30 3.25 3.30 3.25 3.20 3.20 3.15 3.60 3.15 4.10 VIN (V) 4.60 0 5.10 IQ VS. IOUT(VOUT=3.3V) 300 400 27.5 30 27.0 28 IQ (μA) IQ (μA) 200 IOUT (mA) IQ VS. VIN(VOUT=3.3V) 32 26 24 26.5 26.0 25.5 22 25.0 20 0 Revision 100 50 100 150 200 IOUT (mA) 250 300 350 3.6 4.0 4.4 4.8 VIN (V) 5.2 Load Transient Response (VOUT = 3.3V) Input Transient Response (VOUT = 3.3V) (IOUT=10mA to 300mA) (VIN=3.6V to 5.0V) 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 5 5.6 Application Hints Thermal Considerations Like any low dropout regulator, SE5169 requires It is important that the thermal limit of the package is external capacitors to ensure stability. not exceeded. The The SE5169 has built-in thermal external capacitors must be carefully selected to protection. ensure performance. the IC will enter protection, and VOUT will be pulled to ground. Input Capacitor An input capacitor of at least 1μF is required. Ceramic or Tantalum can be used. The value can be increase without upper limit. When the thermal limit is exceeded, The power dissipation for a given application can be calculated as following: The power dissipation (PD) is PD = IOUT * [VIN – VOUT] Output Capacitor An output capacitor is required for stability. It must The thermal limit of the package is then limited to be placed no more than 1 cm away from the VOUT PD(MAX) = [TJ – TA]/ΘJA where TJ is the junction pin, and connected directly between VOUT and GND temperature, TA is the ambient temperature, and pins. ΘJA is around 250°C/W for SE5169. The minimum value is 1μF but may be increase without limit. SE5169 is designed to enter thermal protection at 150°C. For example, if TA is 25°C then the maximum PD is limited to about 0.5W. In other words, if IOUT(MAX) = 300mA, then [VIN – VOUT] cannot exceed 1.67V. Revision 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 6 OUTLINE DRAWING SOT-23-3L C J H B N DIM A B C D E F G H J K L D A E F G K L DIMENSIONS INCHES MM MIN MAX MIN MAX 0.110 0.047 0.083 0.035 0.070 0.018 0.015 0.0005 0.034 0.003 - 0.120 0.055 0.104 0.040 0.080 0.024 0.020 0.004 0.040 0.007 0.027 2.80 1.20 2.10 0.89 1.78 0.45 0.37 0.013 0.887 0.085 - OUTLINE DRAWING TO-92 A DIMN B D E G F H K Revision J A B E F G H J K DIMENSIONS INCHES MM MIN MAX MIN MAX 0.175 0.170 0.500 0.016 0.045 0.095 0.080 0.125 0.205 0.210 0.610 0.021 0.055 0.105 0.105 0.165 4.445 4.318 12.70 0.407 1.143 2.413 2.032 3.175 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 7 5.207 5.334 15.50 0.533 1.397 2.667 2.667 4.191 3.04 1.40 2.64 1.03 2.05 0.60 0.51 0.10 1.02 0.18 0.69 Customer Support Seaward Electronics Incorporated – China Section B, 2nd Floor, ShangDi Scientific Office Complex, #22 XinXi Road Haidian District, Beijing 100085, China Tel: 86-10-8289-5700/01/05 Fax: 86-10-8289-5706 Seaward Electronics Corporation – Taiwan 2F, #181, Sec. 3, Minquan East Rd, Taipei, Taiwan R.O.C Tel: 886-2-2712-0307 Fax: 886-2-2712-0191 Seaward Electronics Incorporated – North America 1512 Centre Pointe Dr. Milpitas, CA95035, USA Tel: 1-408-821-6600 Last Updated - 12/4/2008 Revision 12/4/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 8