Datasheet

ManualsBrandsSTMICROELECTRONICS ManualsVoltage RegulatorsLD59015C33R

This is information on a product in full production.

July 2012 Doc ID 17488 Rev 3 1/16

LD59015xx

150 mA low noise high PSRR linear voltage regulator

Datasheet − production data

Features

■ Input voltage from 2.3 to 5.5 V

■ Very low quiescent current (31 µA typ. at no

load, 75 µA typ. at 150 mA load, 1 µA max in

OFF mode)

■ Very low noise (20 µV

RMS

at V

OUT

= 1.5 V)

■ Output voltage tolerance: ± 1.8% at 25 °C

■ 150 mA guaranteed output current

■ Wide range of output voltages available on

request: 0.8 V to 3.3 V in 100 mV steps

■ Logic-controlled electronic shutdown

■ Compatible with ceramic capacitor

OUT

= 1 µF)

■ Internal current and thermal limit

■ Package: SOT323-5L

■ Temperature range: -40 °C to 125 °C

Description

The LD59015xx provides 150 mA of maximum

current from an input voltage ranging from 2.3 V

to 5.5 V, with a typical dropout voltage of 150 mV.

It is stable with ceramic capacitors. High PSRR,

low quiescent current and low noise features

make it suitable for low power battery-powered

applications. Power supply rejection is 80 dB at

low frequencies and starts to roll off at 10 kHz. An

enable logic control function puts the LD59015xx

in shutdown 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 and similar battery-

powered systems.

SOT323-5L

Table 1. Device summary

Part numbers Order codes Output voltages

LD59015XX08 LD59015C08R 0.8 V

LD59015XX12 LD59015C12R 1.2 V

LD59015XX15 LD59015C15R 1.5 V

LD59015XX18 LD59015C18R 1.8 V

LD59015XX25 LD59015C25R 2.5 V

LD59015XX30 LD59015C30R 3.0 V

LD59015XX33 LD59015C33R 3.3 V

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Summary of content (16 pages)

PAGE 1
LD59015xx 150 mA low noise high PSRR linear voltage regulator Datasheet − production data Features ■ Input voltage from 2.3 to 5.5 V ■ Very low quiescent current (31 µA typ. at no load, 75 µA typ. at 150 mA load, 1 µA max in OFF mode) ■ Very low noise (20 µVRMS at VOUT = 1.5 V) ■ Output voltage tolerance: ± 1.8% at 25 °C ■ 150 mA guaranteed output current ■ Wide range of output voltages available on request: 0.8 V to 3.
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Contents LD59015xx Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Electrical characteristics . . . .
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LD59015xx Block diagram 1 Block diagram Figure 1. LD59015xx block diagram OUT IN BandGap 0.
PAGE 4
Pin configuration LD59015xx 2 Pin configuration Figure 2. Pin connection (top view) Table 2. Pin description 4/16 Pin n° Symbol Function 1 IN 2 GND 3 EN Enable input. Set VEN > 0.9 to turn on the device Set VEN < 0.
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LD59015xx Typical application 3 Typical application Figure 3.
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Maximum ratings LD59015xx 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 (max. 7) V VEN Enable input voltage - 0.3 to VI + 0.3 (max.
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LD59015xx 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. 2.4 Turn-on threshold VUVLO Typ. 1.90 Unit 5.5 2.0 Turn-off threshold Max. 2.15 V 1.8 % 1.95 VOUT VOUT accuracy IOUT = 1mA, -40°C < TJ < 125°C ΔVOUT Static line regulation VOUT +1V ≤ VIN ≤ 5.
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Electrical characteristics Table 5. Symbol TSHDN COUT LD59015xx Electrical characteristics (continued) (1) Parameter Test conditions Min. Typ. Thermal shutdown 160 Hysteresis 20 Max. Unit °C Output capacitor Capacitance (see typical performance characteristics for stability) 1 4.7 µF 1. For VOUT(NOM) < 1.3 V, VIN = 2.3 V. 2. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.
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LD59015xx 6 Typical performance characteristics Typical performance characteristics CIN = COUT = 1 µF Figure 4. VOUT vs. temperature (VOUT = 0.8 V) Figure 5. 3.38 0.82 VIN = VEN = 2.3 V, IOUT = 1 mA, VOUT = 0.8 V 0.815 VIN = VEN = 4.3 V, IOUT = 1 mA, VOUT = 3.3 V 3.36 0.81 3.34 0.805 3.32 VOUT [V] VOUT [V] VOUT vs. temperature (VOUT = 3.3 V) 0.8 0.795 3.3 3.28 0.79 3.26 0.785 3.24 0.78 3.22 -75 -50 -25 0 25 50 75 100 125 150 -75 -50 -25 0 25 T [°C] Figure 6.
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Typical performance characteristics LD59015xx Figure 10. VUVLO vs. temperature Figure 11. ESR vs. COUT 10.00 2.50 turn-off turn on ESR at 100 kHz [Ohm] UVLO Thresholds [V] 2.30 2.10 1.90 1.00 ESR MAX ESR MIN 0.10 0.01 1.70 1.50 0.00 -40 -20 0 20 40 60 80 100 120 140 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 COUT [µF] Temperature [°C] Figure 12. Supply voltage regulation vs. frequency Figure 13. Supply voltage regulation vs.
PAGE 11
LD59015xx Typical performance characteristics Figure 16. Line transient Figure 17. Load transient COUT = 1 µF; VIN = VEN = from 4.5 to 5.5 V; VOUT = 3.3 V; IOUT = 1 mA; trise = tfall = 25 µs CIN = COUT = 1 µF; VIN = VEN = 2.3 V; VOUT = 0.8 V; IOUT from 0.1 to 150 mA; trise = tfall = 25 µs Figure 18. Load transient Figure 19. Startup transient CIN = COUT = 1 µF; VIN = VEN = 4.3 V; VOUT = 3.3 V; IOUT from 0.1 to 150 mA; trise = tfall = 25 µs COUT = 1 µF; VIN = VEN = from 0 to 5.5 V; VOUT = 3.
PAGE 12
Package mechanical data 7 LD59015xx 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. Table 6. SOT323-5L mechanical data mm. Dim. Min. 12/16 Typ. Max. A 0.80 1.10 A1 0 0.10 A2 0.80 b 0.15 0.30 c 0.10 0.22 D 1.80 2 2.20 E 1.
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LD59015xx Package mechanical data Figure 21.
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Package mechanical data LD59015xx Tape & reel SOT323-xL mechanical data mm. inch. Dim. Min. Typ. Max. Min. Typ. Max. A 175 180 185 6.889 7.086 7.283 C 12.8 13 13.2 0.504 0.512 0.519 D 20.2 N 59.5 0.795 60 T 14/16 60.5 2.362 14.4 0.567 Ao 2.25 0.088 Bo 2.7 0.106 Ko 1.2 0.047 Po 3.9 4 4.1 0.153 0.157 0.161 P 3.8 4 4.2 0.149 0.157 0.
PAGE 15
LD59015xx Revision history 8 Revision history Table 7. Document revision history Date Revision Changes 10-May-2010 1 Initial release. 21-Dec-2011 2 Modified: operating input voltage (VIN) min. value Table 5 on page 7. Availability LD59015C08R code Table 1 on page 1. 06-Jul-2012 3 Updated: Table 1 on page 1.
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LD59015xx 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.