AME 1.5A CMOS LDO AME8815. n General Description. n Functional Block Diagram. n Features. n Typical Application. n Applications

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1 n General Description n Functional Block Diagram The family of linear regulators feature low quiescent current (45µA typ.) with low dropout voltage, making them ideal for battery applications. It is available in TO-252 and SOT-223 packages. Output voltages are set at the factory and trimmed to 1.5% accuracy. V IN Overcurrent Shutdown Thermal Shutdown R1 V OUT These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the "Worst" operating conditions. AMP The is stable with an output capacitance of 4.7µF or greater. R2 GND n Features n Typical Application l Very Low Dropout Voltage l Guaranteed 1.5A Output l Accurate to within 1.5% l 45µA Quiescent Current Typically l Over-Temperature Shutdown l Current Limiting V IN C1 1µF IN OUT GND V OUT C2 4.7µF l Short Circuit Current Fold-back l Low Temperature Coefficient l All AME s Lead Free Products Meet RoHS Standards n Applications l Instrumentation l Portable Electronics l Wireless Devices l PC Peripherals l Battery Powered Widgets 1

2 n Pin Configuration SOT-223 Top View SOT-223 Top View AEGTxxx BEGTxxx 1. IN 1. GND 2. GND(TAB) 3. OUT 2. OUT (TAB) 3. IN * Die Attach: Conductive Epoxy * Die Attach: Non-Conductive Epoxy TO Top View TO Top View AECSxxx BECSxxx 1. IN 2. GND(TAB) 1. GND 2. OUT(TAB) 3. OUT 3. IN * Die Attach: Conductive Epoxy * Die Attach: Non-Conductive Epoxy n Pin Description Pin Name IN Pin Description Input voltage pin. It should be decoupled with 1µF or greater capacitor. GND Ground connection pin. OUT LDO voltage regulator output pin. It should be decoupled with a 4.7F or greater value low ESR ceramic capacitor. 2

3 n Ordering Information x x x x xxx x Special Feature Output Voltage Number of Pins Package Type Operating Ambient Temperature Range Pin Configuration Pin Configuration Operating Ambient Temperature Range Package Type Number of Pins Output Voltage Special Feature A: 1. IN E: -40 O C to +85 O C C: TO-252 T: 3 150: V=1.5V Z: Lead Free (TO-252-2) 2. GND G: SOT-223 S: 2 180: V=1.8V (SOT-223) 3. OUT 190: V=1.9V 250: V=2.5V 310: V=3.1V 330: V=3.3V B: 1. GND 390: V=3.9V (TO-252-2) 2. OUT 475: V=4.75V (SOT-223) 3. IN 500: V=5.0V 3

4 n Ordering Information (Contd.) Part Number Marking* Output Voltage Package AECS150 AECS150Z AECS180 AECS180Z AECS190 AECS190Z AECS250 AECS250Z AECS330 AECS330Z AECS475 AECS475Z AECS500 AECS150 AECS150 AECS180 AECS180 AECS190 AECS190 AECS250 AECS250 AECS330 AECS330 AECS475 AECS475 AECS500 Operating Ambient Temperature Range 1.50 TO o C to +85 o C 1.50 TO o C to +85 o C 1.80 TO o C to +85 o C 1.80 TO o C to +85 o C 1.90 TO o C to +85 o C 1.90 TO o C to +85 o C 2.50 TO o C to +85 o C 2.50 TO o C to +85 o C 3.30 TO o C to +85 o C 3.30 TO o C to +85 o C 4.75 TO o C to +85 o C 4.75 TO o C to +85 o C 5.00 TO o C to +85 o C 4

5 n Ordering Information (Contd.) Part Number Marking* Output Voltage Package Operating Ambient Temperature Range AECS500Z BECS150 BECS150Z BECS180 BECS180Z BECS190 BECS190Z BECS250 BECS250Z BECS330 BECS330Z BECS475 BECS475Z AECS500 BECS150 BECS150 BECS180 BECS180 BECS190 BECS190 BECS250 BECS250 BECS330 BECS330 BECS475 BECS TO o C to +85 o C 1.50 TO o C to +85 o C 1.50 TO o C to +85 o C 1.80 TO o C to +85 o C 1.80 TO o C to +85 o C 1.90 TO o C to +85 o C 1.90 TO o C to +85 o C 2.50 TO o C to +85 o C 2.50 TO o C to +85 o C 3.30 TO o C to +85 o C 3.30 TO o C to +85 o C 4.75 TO o C to +85 o C 4.75 TO o C to +85 o C 5

6 n Ordering Information (Contd.) Part Number Marking* Output Voltage Package Operating Ambient Temperature Range BECS500 BECS500Z BECS500 BECS TO o C to +85 o C 5.00 TO o C to +85 o C AEGT150 ASPyww 1.50 SOT o C to +85 o C AEGT150Z ASPyww 1.50 SOT o C to +85 o C AEGT180 AQUyww 1.80 SOT o C to +85 o C AEGT180Z AQUyww 1.80 SOT o C to +85 o C AEGT190 BAYyww 1.90 SOT o C to +85 o C AEGT190Z BAYyww 1.90 SOT o C to +85 o C AEGT250 APRyww 2.50 SOT o C to +85 o C AEGT250Z APRyww 2.50 SOT o C to +85 o C AEGT330 AKCyww 3.30 SOT o C to +85 o C AEGT330Z AKCyww 3.30 SOT o C to +85 o C AEGT475 AQRyww 4.75 SOT o C to +85 o C AEGT475Z AQRyww 4.75 SOT o C to +85 o C AEGT500 AQSyww 5.00 SOT o C to +85 o C AEGT500Z AQSyww 5.00 SOT o C to +85 o C BEGT150 AJYyww 1.50 SOT o C to +85 o C BEGT150Z AJYyww 1.50 SOT o C to +85 o C BEGT180 AJZyww 1.80 SOT o C to +85 o C BEGT180Z AJZyww 1.80 SOT o C to +85 o C BEGT250 AKByww 2.50 SOT o C to +85 o C BEGT250Z AKByww 2.50 SOT o C to +85 o C BEGT330 AKDyww 3.30 SOT o C to +85 o C BEGT330Z AKDyww 3.30 SOT o C to +85 o C BEGT390 AQQyww 3.90 SOT o C to +85 o C BEGT390Z AQQyww 3.90 SOT o C to +85 o C 6

7 n Ordering Information (Contd.) Part Number Marking* Output Voltage Package Operating Ambient Temperature Range BEGT475 AMNyww 4.75 SOT o C to +85 o C BEGT475Z AMNyww 4.75 SOT o C to +85 o C BEGT500 AQTyww 5.00 SOT o C to +85 o C BEGT500Z AQTyww 5.00 SOT o C to +85 o C BEGT190Z CAGyww 1.90 SOT o C to +85 o C Note: & yww represents the date code * A line on top of the first letter represents lead free plating such as Please consult AME sales office or authorized Rep./Distributor for the availability of output voltage and package type. 7

8 n Absolute Maximum Ratings Parameter Maximum Unit Input Voltage -0.3 to +8 V Output Current P D / (V IN - V O ) ma Output Voltage GND to V IN V ESD Classification B* 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 T A - 40 to +85 o C Junction Temperature Range T J - 40 to +125 o C Storage Temperature Range T STG - 65 to +150 o C 8

9 n Thermal Information Parameter Package Die Attach Symbol Maximum Unit Thermal Resistance (Junction to Case) Thermal Resistance (Junction to Ambient) Conductive Epoxy 25 Non-Conductive Epoxy Conductive Epoxy 5 Non-Conductive Epoxy Conductive Epoxy 120 Non-Conductive Epoxy 135 Conductive Epoxy 90 Non-Conductive Epoxy Conductive Epoxy 900 SOT-223 Non-Conductive 800 Epoxy Internal Power Dissipation P D mw Conductive Epoxy 1200 TO Non-Conductive Epoxy 1000 Maximum Junction Temperature Solder Iron (10 Sec)** *SOT-223 *TO SOT-223 TO θ JC θ JA o C / W o C * Measure θ JC on backside center of tab. ** MIL-STD-202G 210F 9

10 n Electrical Specifications V IN = V O(Nom) +2V, T A = 25 O C unless otherwise noted. Parameter Symbol Test Condition Min Typ Max Units Input Voltage V IN Note 1 7 V Output Voltage Accuracy V O I O =1mA % Dropout Voltage V DROPOUT I O =1.5A V O =V O(NOM) -2.0% 1.4V<V O(NOM) <=2.0V V<V O(NOM) <=2.8V See chart V<V O(NOM) 600 mv Output Current I O V O >1.2V 1500 ma Current Limit I LIM V O >1.2V ma Short Circuit Current I SC V IN = V O(NOM) +1V, V O <0.4V 750 ma Quiescent Current I Q I O =0mA µa Ground Pin Current I GND I O =1mA to 1500mA 45 µa Line Regulation REG LINE I O =1mA V IN =V O +1 to V O +2 V O < 2.0V % 4.0V > V O >= 2.0V % 4.0V <= V O % Load Regulation REG LOAD I O =1mA to 1500mA % Over Temperature Shutdown OTS 150 o C Over Temperature Hysterisis OTH 30 o C V O Temperature Coefficient TC 30 ppm/ o C Power Supply Rejection PSRR I O =100mA C O =4.7µF f=100hz 70 f=1khz 50 f=10khz 20 db Output Voltage Noise en f=10hz to 100kHz I O =10mA Co=4.7µF 30 µvrms Note1:V IN(min) =V OUT +V DROPOUT 10

11 n Detailed Description The family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, and thermal shutdown. 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 150 o C, or the current exceeds 2.2A. During thermal shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops below 120 o C. The behaves like a current source when the load reaches 2.2A. However, if the load impedance drops below 0.3 ohms, the current drops back to 600mA to prevent excessive power dissipation. Normal operation is restored when the load resistance exceeds 0.75 ohms. n External Capacitors The is stable with an output capacitor to ground of 4.7µF or greater. 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. Unfortunately, large value ceramic capacitors are comparatively expensive. One option is to parallel a 0.1µF ceramic capacitor with a 10µF Aluminum Electrolytic. The benefit is low ESR, high capacitance, and low overall cost. A second capacitor is recommended between the input and ground to stabilize Vin. The input capacitor should be at least 0.1µF to have a beneficial effect. All capacitors should be placed in close proximity to the pins. A "Quiet" ground termination is desirable. This can be achieved with a "Star" connection. 11

12 n Characterization Curve Dropout Voltage vs. I LOAD Dropout Voltage vs. V OUT V OUT= I LOAD=1.5A Dropout Voltage (V) Dropout Voltage (V) I LOAD=1.0A I LOAD=0.5A I LOAD (A) V OUT (V) Quiescent Current vs. Temperature Ground Current vs. V IN Quiescent Ground Current (µa) I OUT = 140mA V OUT = 1.5V Temperature ( O C) V IN (V) Ground Current vs. Load Current V OUT vs. Temperature (2.5V) Ground Current (µa) V IN = 2.5V VOUT = 1.5V Output Voltage (V) Load Current (A) Temperature ( O C) 12

13 n Characterization Curve (Contd.) Load Regulation vs. Temperature Dropout Voltage vs. Load Current (2.5V) Load Regulation (%) Dropout (mv) o C 85 o C 55 o C 25 o C -5 o C -45 o C Temperature ( O C) Load Current (A) Line Transient Response Load Step 40mA to 1.5A V OUT (50mV/Div) C IN = 4.7µF C OUT = 4.7µF T R = T F = 1µS V OUT = 1.5V I LOAD (1A/Div) C IN = 4.7µF C OUT = 4.7µF V IN = 4.0V V OUT = 1.8V 0A V IN (2V/Div) V OUT (10mV/Div) Time (20µS/Div) 0V Time (500µS/Div) Current Limit Response Current Limit vs. V IN V OUT (1V/Div) I LIM V IN = 5V C IN = 4.7µF C OUT = 4.7µF 0V Current Limit (A) C IN = 4.7µF C OUT = 4.7µF V OUT = 1.8V I LOAD (1A/Div) I SC 0A Time (1mS/Div) V IN (V) 13

14 n Characterization Curve (Contd.) Short Circuit Current vs. V IN Overtemperature Shutdown 1.6 Short Circuit Current (A) CIN = 4.7µF C OUT = 4.7µF I OUT (1A/Div) V OUT (1V/Div) V IN = 4V CIN = 4.7µF C OUT = 4.7µF 0A 0V V IN (V) Time (100mS/Div) Stability vs. ESR vs. I LOAD Stability vs. ESR vs. I LOAD Unstable Region Unstable Region C L ESR (Ω) C L =5µF Stable Region C L ESR (Ω) C L=2µF Stable Region Untested Region I LOAD (ma) Untested Region I LOAD (ma) Stability vs. ESR vs. I LOAD Unstable Region C L ESR (Ω) C L =10µF Stable Region 0.01 Untested Region I LOAD (ma) 14

15 n Tape and Reel Dimension TO-223 P0 W AME AME PIN 1 P Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size SOT ±0.1 mm 8.0±0.1 mm 4.0±0.1 mm 2500pcs 330±1 mm SOT P0 PIN 1 W AME AME P Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Pitch (P0) Part Per Full Reel Reel Size TO ±0.1 mm 8.0±0.1 mm 4.0±0.1 mm 2500pcs 330±1 mm 15

16 n Package Dimension SOT-223 Top View D B1 Side View C H E 13 o (4X) PIN 1 K e Front View 13 o (4X) F A1 B n Lead Pattern Drawing 4.00 BSC 2.20 BSC 2.20 BSC 1.20 BSC 2.30 BSC 2.30 BSC 6.00 BSC Note: 1. Lead pattern unit description: BSC: Basic. Represents theoretical exact dimension or dimension target. 2. Dimensions in Millimeters. 3. General tolerance +0.05mm unless otherwise specified. 16

17 n Package Dimension (Contd.) TO D1 PIN 1 J Top View E K E1 n Lead Pattern Drawing H 5.7 BSC L F G Side View B A C D SYMBOLS MIN MAX MIN MAX A B C D E F G H - * * J K L MILLIMETERS INCHES 1.40 REF REF D REF REF E *: Typical Value Notes: 1. Controlling dimension: Millimeters. 2. Maximum lead thickness includes lead finish thickness Minimum lead thickness is the minimum thickness of base material. 6 BSC Note: 3.7 BSC 1 BSC 2 BSC 1. Lead pattern unit description: BSC: Basic. Represents theoretical exact dimension or dimension target. 2. Dimensions in Millimeters. 3. General tolerance +0.05mm unless otherwise specified. 4.6 BSC 17

18 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 2015 Document: 2013-DS8815-T.01 Corporate Headquarter AME, Inc. 8F, 12, WenHu St., Nei-Hu Taipei 114, Taiwan. Tel: Fax:

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