AME, Inc. AME8838 n General Description The AME8838 family of positive, linear regulators feature low quiescent current (30µA typ.) low dropout voltage and excellent PSRR, thus making them ideal for Telecommunications and other battery applications. The ultra-small SC-70-5, SC-70-4 & SOT-23 packages are attractive for "Pocket" and "Hand Held" applications. These rugged devices have both Thermal Shutdown and Current limit to prevent device failure under the "Worst" operating conditions. High PSRR, 150mA CMOS LDO n Functional Block Diagram OUT IN Overcurrent Shutdown Thermal Shutdown EN R1 - The AME8838 is stable with an output capacitance of 1µF or larger. AMP + n Features R2 l Very Low Dropout Voltage l Guaranteed 150mA Output Vref GND l 30µA Quiescent Current l Over-Temperature Shutdown l Current Limiting l Excellent PSRR (Typ. 65dB) l Power-Saving Shutdown Mode l Ultra-small SC-70-5, SC-70-4 & SOT-23 Packages l Factory Pre-set Output Voltages l Low Temperature Coefficient n Typical Application IN IN IN l Input Voltage Range (2V - 6V) l All AME's lead free Products Meet RoHS Standard. EN OUT AME8838 OUT GND C1 C2 1µF 1µF n Applications l Cellular Phones l Instrumentation l Portable Electronics l Wireless Devices l Cordless Phones l PC Peripherals l Battery Powered Widgets l Cameras l Telecommunications Rev.E.04 1 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Pin Configuration SC-70-5 Top View SC-70-5 Top View 5 4 AME8838AEIV 5 4 1. IN 1. OUT 2. GND AME8838 3. EN 2. GND AME8838 4. NC 2 3 5. NC 1 2 3 * Die Attach: * Die Attach: Conductive Epoxy Conductive Epoxy SC-70-4 Top View SOT-23 Top View AME8838AEET 3 4 3 1. GND 3. IN AME8838AEIU 1. EN 2. OUT AME8838 3. IN 4. EN 5. OUT 1 AME8838BEIV 2. GND AME8838 3. OUT 4. IN * Die Attach: 1 2 Non-Conductive Epoxy 1 2 * Die Attach: Conductive Epoxy 2 Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Pin Description AME8838AEIV SC-70-5 Pin Number Pin Name 1 IN 2 GND 3 EN Enable pin. When pulled low, the PMOS pass transistor turns off, current consuming less than 1µA. 4 NC No Connection. 5 OUT Pin Description Input voltage pin. It should be decoupled with 1µF or greater capacitor. Ground connection pin. LDO voltage regulator output pin. It should be decoupled with a 1µF or greater value low ESR ceramic capacitor. AME8838BEIV SC-70-5 Pin Number Pin Name Pin Description 1 OUT LDO voltage regulator output pin. It should be decoupled with a 1µF or greater value low ESR ceramic capacitor. 2 GND Ground connection pin. 3 IN Input voltage pin. It should be decoupled with 1µF or greater capacitor. 4 EN Enable pin. When pulled low, the PMOS pass transistor turns off, current consuming less than 1µA. 5 NC No Connection. AME8838AEET SOT-23 Pin Number Pin Name 1 GND Ground connection pin. 2 OUT LDO voltage regulator output pin. It should be decoupled with a 1µF or greater value low ESR ceramic capacitor. 3 IN Rev.E.04 Pin Description Input voltage pin. It should be decoupled with 1µF or greater capacitor. 3 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Pin Description AME8838AEIU SC-70-4 4 Pin Number Pin Name Pin Description 1 EN Enable pin. When pulled low, the PMOS pass transistor turns off, current consuming less than 1µA. 2 GND Ground connection pin. 3 OUT LDO voltage regulator output pin. It should be decoupled with a 1µF or greater value low ESR ceramic capacitor. 4 IN Input voltage pin. It should be decoupled with 1µF or greater capacitor. Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Ordering Information AME8838 x x x x xxx x Special Feature Output Voltage Number of Pins Package Type Operating Ambient Temperature Range Pin Configuration Pin Configuration A: 1. IN (SC-70-5) 2. GND 3. EN 4. NC 5. OUT B: 1. OUT 2. GND 3. IN 4. EN 5. NC (SC-70-5) Operating Ambient Temperature Range E: -40OC to 85OC Package Type E: SOT-2X I: SC-70 Number of Pins T: 3 V: 5 U: 4 Output Voltage 120: 150: 180: 250: 270: 285: 300: 310: 330: V=1.2V V=1.5V V=1.8V V=2.5V V=2.7V V=2.85V V=3.0V V=3.1V V=3.3V Special Feature Y: Lead free & Low profile Z: Lead free A: 1. EN 2. GND 3. OUT 4. IN (SC-70-4) A: 1. GND (SOT-23) 2. OUT (TSOT-23) 3. IN Rev.E.04 5 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Ordering Information Part Number Marking* Output Voltage Package Operating Ambient Temperature Range AME8838AEIU180Z BLFw 1.8V SC-70-4 - 40oC to 85oC AME8838AEIU270Z BLGw 2.7V SC-70-4 - 40oC to 85oC AME8838AEIU280Z BLHw 2.8V SC-70-4 - 40oC to 85oC AME8838AEIV150Z BFDw 1.5V SC-70-5 - 40oC to 85oC AME8838AEIV180Z BELw 1.8V SC-70-5 - 40oC to 85oC AME8838AEIV250Z BFEw 2.5V SC-70-5 - 40oC to 85oC AME8838AEIV270Z BHSw 2.7V SC-70-5 - 40oC to 85oC AME8838AEIV280Z BFFw 2.8V SC-70-5 - 40oC to 85oC AME8838AEIV285Z BHVw 2.85V SC-70-5 - 40oC to 85oC AME8838AEIV300Z BFGw 3.0V SC-70-5 - 40oC to 85oC AME8838AEIV310Z BHTw 3.1V SC-70-5 - 40oC to 85oC AME8838AEIV330Z BEKw 3.3V SC-70-5 - 40oC to 85oC AME8838AEET180Z BFPww 1.8V SOT-23 - 40oC to 85oC Note: w & ww represent the date code and pls refer to Date Code Rule page on Package Dimension. * A line on top of the first letter represents lead free plating such as BLFw. Please consult AME sales office or authorized Rep./Distributor for the availability of package type. 6 Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Absolute Maximum Ratings Parameter Maximum Unit Input Voltage -0.3 to 7 V EN Voltage -0.3 to 7 V Output Voltage - 0.3 to VIN + 0.3 V Output Current PD / (V IN - VOUT) mA B* ESD Classification Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device HBM B*: 2000V ~ 3999V n Recommended Operating Conditions Parameter Symbol Rating Unit Ambient Temperature Range TA - 40 to 85 o Junction Temperature Range TJ - 40 to 125 o Storage Temperature Range TSTG - 65 to 150 o C C C n Thermal Information Parameter Thermal Resistance (Junction to Ambient) Thermal Resistance (Junction to Case) Internal Power Dissipation Package Die Attach SOT-23 Non-Conductive Epoxy SC-70-4 SC-70-5 Conductive Epoxy SOT-23* Non-Conductive Epoxy SOT-23 Non-Conductive Epoxy SC-70-4 SC-70-5 Conductive Epoxy Symbol Maximum Unit 260 θJA 331 θJC o C/W 81 400 PD mW 300 Maximum Junction Temperature 150 o Solder Iron (10 Sec)** 350 o C C * Measure θJC on backside center of molding compund if IC has no tab. ** MIL-STD-202G 210F Rev.E.04 7 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Electrical Specifications (Contd.) VOUT(nom) > 2.0V, VIN=VOUT(nom)+ 0.5V; VOUT unless otherwise noted. Parameter Input Voltage Output Voltage Accuracy Symbol ≤ 2V, VIN = 2.5V, VEN = VIN, TJ = -40 to 125OC, CIN = COUT = 1µF Test Condition Min VIN VOUT(nom) IOUT = 1mA, TA = 25o C o IOUT = 1mA, TJ = -40 to 125 C Typ Max Units Note1 6 V -1.5 1.5 -3 3 IOUT=80mA, VOUT>= 3.0V 80 170 120 240 90 200 135 270 120 250 180 360 VOUT=VOUT(nom) -2%VOUT(nom) IOUT=150mA, VOUT>= 3.0V VOUT=VOUT(nom) -2%VOUT(nom) IOUT=80mA, 2.5V<=VOUT< 3.0V VOUT=VOUT(nom) -2%VOUT(nom) Dropout Voltage (See Note 1) VDROPOUT % mV IOUT=150mA, 2.5V<=VOUT< 3.0V VOUT=VOUT(nom) -2%VOUT(nom) IOUT=80mA, 2.0V<VOUT< 2.5V VOUT=VOUT(nom) -2%VOUT(nom) IOUT=150mA, 2.0V<VOUT< 2.5V VOUT=VOUT(nom) -2%VOUT(nom) IOUT=150mA, VOUT<=2.0V, VDROPOUT=2.5V-VOUT Current Limit ILIM VOUT = 0.8xVOUT(nom) , TA = 25oC Short Circuit Limit ISC VOUT = 0V, TA = 25oC Quiescent Current IQ TA = 25oC, VIN = 6V, 1mA < IOUT < 150mA Line Regulation (See Note 2) REGLINE 200 REGLOAD o IOUT = 1mA, VOUT > 2.0V TA = 25 C -0.25 VIN = VOUT +0.5V to VIN = 6V TJ = -40 to125oC -0.4 o IOUT = 1mA, VOUT <= 2.0V TA = 25 C -0.4 VIN = 2.5V to VIN = 6V TJ =-40 to 125oC -0.6 IOUT = 1 to 150mA 500 mA 200 VOUT > 2.0V Load Regulation (See Note 3) 350 VIN = VOUT + 0.5V VOUT <= 2.0V 30 45 0.1 0.25 µA 0.4 0.2 0.4 %/V 0.6 -0.02 0.0025 0.02 %/mA -0.04 0.004 0.04 VIN = 2.5V Over Temperature Shutdown OTS IOUT = 0mA 160 o Over Temperature Hysterisis OTH IOUT = 0mA 40 o VOUT Temperature Coefficient TC Power Supply Ripple Rejection 8 PSRR VIN = 4.3V, VOUT = 3.3V, COUT = 10µf IOUT = 100mA, f = 1kHz C C 30 ppm/oC 65 dB Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Electrical Specifications Symbol Test Condition eN f = 10Hz to 100kHz, IOUT = 10mA VENH VOUT >= VOUT(min) 1.4 VIN V VENL VOUT <= 0.2V 0 0.3 V Enable Input Bias Current IEN VIN = 6V, VEN = 0V or 6V 0.01 1 µA Shutdown Supply Current ISD VIN = 6V, VEN = 0V 0.5 1 µA Shutdown Output Voltage VO,SD IOUT = 1mA 0.2 V Parameter Output Voltage Noise Enable Input Threshold Min Typ Max Units µVrms 40 Note1: If VOUT(nom) > 2.0V, VIN(min)=VOUT(nom)+VDROPOUT. If VOUT(nom)<=2.0V, VIN(min)=2.5V. ∆Vout ×100% ∆ Vin Note2: Line Regulation = Vout ∆Vout ×100% Note3: Load Regulation = Vout ∆I (mA) Rev.E.04 9 AME, Inc. AME8838 High PSRR, 150mA CMOS LDO n Detailed Description n Enable The AME8838 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, and thermal shutdown. The Enable Pin is normally pull-high. When activated pulled low, the PMOS pass transistor shuts off, and all internal circuits are powered down. In this state, the stand by current is less than 1µA. This pin can’t be floating. The P-channel pass transistor receives data from the error amplifier, over-current shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current and thermal shutdown circuits become active when the junction temperature exceeds 150oC, or the current exceeds 150mA. During thermal shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops below 130oC. The AME8838 switches from voltage mode to current mode when the load exceeds the rated output current. This prevents over-stress. n External Capacitors The AME8838 is stable with an output capacitor to ground of 1µF or larger. Ceramic capacitors have the lowest ESR, and will offer the best AC performance. Conversely, Aluminum Electrolytic capacitors exhibit the highest ESR, resulting in the poorest AC response. A second capacitor is recommended between the input and ground to stabilize VIN. The input capacitor should be at least 1µF to have a beneficial effect. 10 Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 Output Impedance vs Frequency 550 2.0 500 1.8 Output Impedance (Ω) Dropout Voltage (mV) Dropout Voltage vs Temperature 450 400 350 300 250 200 150 100 1.6 1.4 1.2 1.0 IO=50mA 0.8 0.6 0.4 IO=100mA 0.2 50 0 -40 -25 -10 5 20 35 50 65 o 80 95 0.0 10 110 125 100 1000 3.325 3.315 Output Voltage (V) 3.32 1000000 3.315 3.31 3.305 3.30 3.295 3.29 IO=1mA 3.310 3.305 3.300 IO=150mA 3.295 3.290 3.285 3.280 3.275 3.285 30 45 60 75 90 105 120 135 150 -25 -10 5 20 35 50 65 80 95 Temperature (oC) Load Transient Response Line Transient Response ∆i = 25mA/µs ∆t 200 100 0 50 0 -50 Time (µs) Input Voltage (V) Load Current (mA) Output Voltage Output Current (mV) (mA) 15 3.270 -40 110 125 5.3 4.3 Output Voltage (mV) Output Voltage (V) 3.320 Rev.E.04 100000 Output Voltage vs Temperature Output Voltage vs Load Current 3.33 0 10000 Frequency (Hz) Temperature ( C) 20 -20 Time (µs) 11 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 Quiescent Current vs Temperature Quiescent Current (µA) 40 35 30 25 20 15 10 5 0 -40 -25 -10 5 20 35 50 65 80 95 110 125 Temperature (oC) Rising Time 3.8V 3.3V EN VOUT 20µs/div 12 Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Date Code Rule For SC-70 Package Only Marking Date Code Year w: Work Week Code A A A W xxx0 A: 01&02 K: 21&22 U: 41&42 A A A W xxx1 B: 03&04 L: 23&24 V: 43&44 A A A W xxx2 C: 05&06 M: 25&26 W: 45&46 A A A W xxx3 D: 07&08 N: 27&28 X: 47&48 A A A W xxx4 E: 09&10 O: 29&30 Y: 49&50 A A A W xxx5 F: 11&12 P: 31&32 Z: 51&52 A A A W xxx6 G: 13&14 Q: 33&34 A A A W xxx7 H: 15&16 R: 35&36 A A A W xxx8 I: 17&18 S: 37&38 A A A W xxx9 J: 19&20 T: 39&40 Date Code Year For SOT-23 Package Marking A A A W W xxx0 A A A W W xxx1 A A A W W xxx2 A A A W W xxx3 A A A W W xxx4 A A A W W xxx5 A A A W W xxx6 A A A W W xxx7 A A A W W xxx8 A A A W W xxx9 Rev.E.04 13 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Tape and Reel Dimension SOT-23 P W AME AME PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size SOT-23 8.0±0.1 mm 4.0±0.1 mm 3000pcs 180±1 mm SC-70-5 P W AME AME PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size 14 Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size SC-70-5 8.0±0.1 mm 4.0±0.1 mm 3000pcs 180±1 mm Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Tape and Reel Dimension SC-70-4 P W AME AME PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size Rev.E.04 Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size SC-70-4 8.0±0.1 mm 4.0±0.1 mm 3000pcs 180±1 mm 15 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Package Dimension SC-70-5 Top View Side View SYMBOLS D 0.15(0.006) e1 A E/2 E1/2 E E1 0.15(0.006) A C e See Detail A B .10(0.004) M CAB b Front View A2 A SEATING PLANE .10(0.004) A1 C Detail A C INCHES MIN MAX MIN MAX A 0.80 1.10 0.031 0.043 A1 0.00 0.10 0.000 0.004 A2 0.80 1.00 0.031 0.040 b 0.15 0.30 0.006 0.012 b1 0.15 0.25 0.006 0.010 c 0.08 0.25 0.003 0.010 c1 0.08 0.20 0.003 0.008 D 1.90 2.15 0.074 0.084 E 2.00 2.20 0.078 0.086 E1 1.15 1.35 0.045 0.055 C D MILLIMETERS e 0.65BSC 0.0255BSC e1 1.30BSC 0.0512BSC L 0.26 o θ1 0 θ2 4o 0.46 8 o 10 o 0.010 0 o 4o 0.018 8o 10o SECTION A-A θ1 (b) b1 c1 c .15(.0059) H GAGE PLANE BASE METAL θ L 16 Rev.E.04 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Package Dimension SC-70-4 D e1 θ e SYMBOLS L E E1 L1 0.20 c d b b1 SIDE VIEW MAX MIN MAX A 0.900 1.100 0.035 0.043 A1 0.000 0.100 0.000 0.004 A2 0.900 1.000 0.035 0.039 b 0.250 0.400 0.010 0.016 b1 0.350 0.500 0.014 0.020 c 0.080 0.150 0.003 0.006 d 0.050 TYP 0.002 TYP D 2.000 2.200 0.079 0.087 E 1.150 1.350 0.045 0.053 E1 2.150 2.450 0.085 0.096 e1 L L1 θ A2 INCHES MIN e TOP VIEW MILLIMETERS 0.650 TYP 1.200 0.026TYP 1.400 0.525 REF 0.260 0 o 0.055 0.021 REF 0.460 8 0.047 o 0.010 0 o 0.018 8o A A1 FRONT VIEW Rev.E.04 17 AME, Inc. High PSRR, 150mA CMOS LDO AME8838 n Package Dimension SOT-23 Top View Side View SYMBOLS D L H E θ1 MAX MIN MAX A 1.00 1.40 0.0394 0.0551 A1 0.00 0.15 0.0000 0.0059 b 0.35 0.50 0.0138 0.0197 C 0.09 0.25 0.0035 0.0098 D 2.70 3.10 0.1063 0.1220 E 1.40 1.80 0.0551 0.0709 1.90 BSC e H 2.40 3.00 0 o 10 0.09449 0.11811 0.0138BSC o 0o 10 o b 18 A1 A θ1 0.0748 BSC 0.35BSC L Front View INCHES MIN C e MILLIMETERS Rev.E.04 www.ame.com.tw E-Mail: [email protected] Life Support Policy: These products of AME, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of AME, Inc. AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. AME, Inc. , September 2007 Document: 1003-DS8838-E.04 Corporate Headquarter U.S.A.(Subsidiary) AME, Inc. Analog Microelectronics, Inc. 2F, 302 Rui-Guang Road, Nei-Hu District 3100 De La Cruz Blvd., Suite 201 Santa Clara, CA. 95054-2438 Taipei 114, Taiwan. Tel: 886 2 2627-8687 Fax: 886 2 2659-2989 Tel : (408) 988-2388 Fax: (408) 988-2489