LD39015xx 150 mA low quiescent current low noise voltage regulator Features ■ Input voltage from 1.5 to 5.5 V ■ Ultra low dropout voltage (80 mV typ. at 100 mA load) ■ Very low quiescent current (18 µA typ. at no load, 35 µA typ. at 150 mA load, 1 µA max in off mode) ■ Very low noise without bypass capacitor (29 µVRMS at VOUT = 0.8 V) ■ Output voltage tolerance: ± 2.0% @ 25 °C ■ 150 mA guaranteed output current ■ Wide range of output voltages available on request: 0.8 V to 3.3 V with 100 mV step ■ Logic-controlled electronic shutdown ■ Compatible with ceramic capacitors CO = 1 µF ■ Internal current and thermal limit ■ Available in SOT666 and SOT23-5L packages ■ Temperature range: -40 °C to 125 °C SOT666 SOT23-5L from 1.5 V to 5.5 V with a typical dropout voltage of 80 mV. It is stable with ceramic capacitor. The ultra-low drop voltage, low quiescent current and low noise features make it suitable for low power battery-powered applications. Power supply rejection is 65 dB at low frequencies and starts to roll off at 10 kHz. Enable logic control function puts the LD39015xx in shut-down mode allowing a total current consumption lower than 1 µA. The device also includes short-circuit constant current limiting and thermal protection. Typical applications are mobile phones, personal digital assistants (PDAs), cordless phones or similar battery-powered systems. Description The LD39015xx series provides 150 mA maximum current from an input voltage ranging Table 1. Device summary Order codes Part numbers Output voltages SOT666 LD39015XX08 LD39015XX10 LD39015XX12 SOT23-5L LD39015XG08R LD39015XG10R (1) LD39015XG12R LD39015XX125 LD39015M08R 0.8 V LD39015M10R 1.0 V LD39015M12R 1.2 V LD39015M125R 1.25 V LD39015XX15 LD39015XG15R (1) LD39015M15R 1.5 V LD39015XX18 LD39015XG18R (1) LD39015M18R 1.8 V LD39015XG25R (1) LD39015M25R 2.5 V LD39015M33R 3.3 V LD39015XX25 LD39015XX33 LD39015XG33R 1. Available on request. Other voltages available on request from 0.8 V to 3.3 V in 100 mV step. February 2009 Rev 3 1/16 www.st.com 16 Contents LD39015xx Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 LD39015xx Diagram 1 Diagram Figure 1. Block diagram OUT IN BandGap 1.22 V R1 Trimming Thermal Protection R2 Enable EN GND 3/16 Pin configuration LD39015xx 2 Pin configuration Figure 2. Pin connection (top view) SOT666 Table 2. SOT23-5L Pin description Pin n° Symbol SOT23-5L 1 3 EN 2 2 GND 3 1 IN 4 5 OUT Output voltage 5 4 NC Not connected NC Not connected 6 4/16 Function SOT666 Enable pin logic input: Low=shutdown, High=active Common ground. Input voltage of the LDO LD39015xx Typical application 3 Typical application Figure 3. Typical application circuit VIN IN 1 µF VEN VOUT OUT 1 µF EN Load GND 5/16 Maximum ratings LD39015xx 4 Maximum ratings Table 3. Absolute maximum ratings Symbol VIN Parameter DC input voltage Value Unit -0.3 to 7 V VOUT DC output voltage - 0.3 to VI + 0.3 V VEN Enable input voltage - 0.3 to VI + 0.3 V IOUT Output current Internally limited mA Power dissipation Internally limited mW PD TSTG Storage temperature range -65 to 150 °C TOP Operating junction temperature range -40 to 125 °C Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. All values are referred to GND. Table 4. Thermal data Symbol Parameter SOT23-5L SOT666 Unit RthJA Thermal resistance junction-ambient 255 132 °C/W RthJC Thermal resistance junction-case 81 56 °C/W 6/16 LD39015xx 5 Electrical characteristics Electrical characteristics TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN = COUT = 1 µF, IOUT = 1 mA, VEN = VIN, unless otherwise specified. Table 5. Symbol VIN Electrical characteristics (1) Parameter Test conditions Operating input voltage Min. 1.5 Turn-on threshold VUVLO VOUT Typ. 1.45 Turn-off threshold 1.30 VOUT accuracy 1.35 % VOUT ≤ 1.5V, IOUT = 1mA ±10 VOUT ≤ 1.5V, IOUT = 1mA, -40°C < TJ < 125°C ±30 0.01 %/V 10 mVpp 0.002 %/mA IOUT = 1mA to 150mA, TR = TF = 5µs 40 mVpp ΔVOUT Static load regulation IOUT = 1mA to 150mA ΔVOUT Transient load regulation VDROP Dropout voltage (3) IOUT = 100mA, VOUT > 1.5V -40°C < TJ < 125°C 80 Output noise voltage 1.1kHz to 100kHz, IOUT = 10mA, VOUT = 0.8V 29 VIN = VOUTNOM + 0.5V +/-VRIPPLE VRIPPLE = 0.1V, Freq. = 1kHz IOUT = 10mA 65 VIN = VOUTNOM + 0.5V +/-VRIPPLE VRIPPLE = 0.1V, Freq.=10kHz IOUT = 10mA 62 IOUT = 0mA 18 VIN = 1.5V to 5.5V, -40°C < TJ < 125°C Enable input logic high VIN = 1.5V to 5.5V, -40°C < TJ < 125°C VEN µVRMS µA 70 VIN input current in OFF MODE: VEN = GND Enable input logic low mV 38 IOUT = 0 to 150mA -40°C < TJ< 125°C RL = 0 100 50 IOUT = 0 to 150mA Short circuit current mV dB IOUT = 0mA, -40°C < TJ < 125°C ISC mV 3.0 ΔVIN = +500mV, IOUT = 1mA, TR = TF = 5µs Quiescent current V -3.0 Transient line regulation (2) IQ 1.48 VOUT > 1.5V, IOUT = 1mA, -40°C < TJ < 125°C ΔVOUT Supply voltage rejection VOUT = 1.5V V 2.0 VOUT +1V ≤ VIN ≤ 5.5V, IOUT = 1mA SVR 5.5 -2.0 Static line regulation eN Unit VOUT > 1.5V, IOUT = 1mA, TJ = 25°C ΔVOUT (2) Max. 0.001 1 350 mA 0.4 0.9 V V 7/16 Electrical characteristics Table 5. Symbol IEN TON TSHDN COUT LD39015xx Electrical characteristics (continued) (1) Parameter Enable pin input current Turn on time Test conditions Min. VEN = VIN (4) Typ. Max. Unit 0.1 100 nA 30 Thermal shutdown 160 Hysteresis 20 µs °C Output capacitor Capacitance (see typical performance characteristics for stability) 1 22 µF 1. For VOUT(NOM) < 1.2 V, VIN = 1.5 V 2. All transient values are guaranteed by design, not production tested 3. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value. This specification does not apply for output voltages below 1.5 V 4. Turn-on time is the time measured between the enable input just exceeding VEN High Value and the output voltage just reaching 95 % of its nominal value 8/16 LD39015xx Typical performance characteristics Typical performance characteristics Figure 4. Output voltage vs. temperature 0.85 0.84 0.83 0.82 0.81 0.8 0.79 0.78 0.77 0.76 0.75 -50 Figure 5. IOUT=100mA VIN=1.5V 0 50 100 Output voltage vs. input voltage 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 IOUT=1mA VOUT[V] VOUT [V] 6 VIN=1.5V 0 150 1 2 0.05 0.1 0.15 0.2 6 1.5 1.2 STABILITY REGION 0.9 0.6 0.3 0 0 Supply voltage rejection vs. frequency IOUT=1 mA to 0.15 A 1.8 0.25 Figure 9. 5 10 15 20 COUT [µF] (nominal value) 25 Output noise voltage vs. frequency 800 IOUT=10 mA, VIN=4.3 V, CIN=COUT= 1µF 700 VOUT=3.3 V 600 500 nV/√Hz SVR [dB] 75 70 65 60 55 50 45 40 35 30 25 20 15 10 100 CIN=1 µF, VIN=VEN=1.5 to 5.5 V 2.1 IOUT [A] Figure 8. 5 COUT stability region 2.4 ESR @ 100 KHz [Ohm] Vdropout [V] Dropout voltage vs. output current Figure 7. 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 0 4 VIN [V] Temp [°C] Figure 6. 3 400 300 200 IOUT = 10mA Vripple = 0.1Vpp 100 1000 10000 Freq [Hz] 100000 0 1000 10000 100000 FREQ [Hz] 9/16 Typical performance characteristics LD39015xx Figure 10. Quiescent current vs. input voltage Figure 11. Load transient 100 Iq [µA] 80 60 40 20 VIN=VINH, CIN=COUT=1µF, IOUT=0.15A 0 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 VIN[V] VEN = VIN = 1.5V, IOUT = 1mA to 0.15A, CIN = COUT = 1µF, tr = tf = 5µs Figure 12. Line transient Figure 13. Enable transient VIN = VEN = 1.5 to 5.5V, IOUT = 1mA, COUT = 1µF, tr = tf = 5µs VIN = 1.5V, VEN = 0 to 1V, IOUT = 1mA, CIN = COUT = 1µF 10/16 LD39015xx 7 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 11/16 Package mechanical data LD39015xx SOT23-5L mechanical data mm. mils. Dim. Min. Typ. Max. Min. Typ. Max. A 0.90 1.45 35.4 57.1 A1 0.00 0.10 0.0 3.9 A2 0.90 1.30 35.4 51.2 b 0.35 0.50 13.7 19.7 C 0.09 0.20 3.5 7.8 D 2.80 3.00 110.2 118.1 E 1.50 1.75 59.0 68.8 e 0.95 37.4 H 2.60 3.00 102.3 118.1 L 0.10 0.60 3.9 23.6 7049676D 12/16 LD39015xx Package mechanical data SOT666 mechanical data mm. inch. Dim. Min. Typ. Max. Min. Typ. Max. A 0.53 0.57 0.60 0.021 0.022 0.024 A3 0.13 0.17 0.18 0.005 0.006 0.007 D 1.50 1.66 1.70 0.059 0.065 0.067 E 1.50 1.65 1.70 0.059 0.065 0.067 E1 1.10 1.20 1.30 0.043 0.047 0.051 L1 0.11 0.19 0.26 0.004 0.007 0.010 L2 0.10 0.23 0.30 0.004 0.009 0.012 L3 0.05 0.10 0.002 0.004 b 0.17 0.25 b1 0.27 e 0.50 e1 0.20 θ 8° 0.17 0.34 0.25 0.27 0.34 0.5 0.2 10° 12° 8° 10° 12° 7673701C 13/16 Package mechanical data LD39015xx Tape & reel SOT23-xL mechanical data mm. inch. Dim. Min. Typ. A Min. Typ. 180 13.0 13.2 Max. 7.086 C 12.8 D 20.2 0.795 N 60 2.362 T 14/16 Max. 0.504 0.512 14.4 0.519 0.567 Ao 3.13 3.23 3.33 0.123 0.127 0.131 Bo 3.07 3.17 3.27 0.120 0.124 0.128 Ko 1.27 1.37 1.47 0.050 0.054 0.0.58 Po 3.9 4.0 4.1 0.153 0.157 0.161 P 3.9 4.0 4.1 0.153 0.157 0.161 LD39015xx Revision history 8 Revision history Table 6. Document revision history Date Revision Changes 13-Nov-2007 1 Initial release. 11-Apr-2008 2 Modified: Table 5 on page 7. 12-Feb-2009 3 Modified: Table 1 on page 1. 15/16 LD39015xx Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. © 2009 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 16/16