Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - LDO voltage regulator Positive, fixed SON 10 (3x3)

LP5996

EN1

EN2

BYP

OUT1

OUT2

1 PF 1PF

1 PF

EN1

EN2

OUT1

OUT2

GND

10 nF

LP5996

www.ti.com

SNVS415C –NOVEMBER 2006–REVISED MAY 2013

LP5996 Dual Linear Regulator with 300mA and 150mA Outputs

Check for Samples: LP5996

FEATURES

PACKAGE

• 2 LDO Outputs with Independent Enable

• All available in Lead Free option.

• 1.5% Accuracy at Room Temperature, 3% over • 10 pin SON 3mm x 3mm

Temperature

For other package options contact your Texas Instruments sales

office.

• Thermal Shutdown Protection

• Stable with Ceramic Capacitors

DESCRIPTION

The LP5996 is a dual low dropout regulator. The first

APPLICATIONS

regulator can source 150mA, while the second is

• Cellular Handsets

capable of sourcing 300mA.

• PDA's

The LP5996 provides 1.5% accuracy requiring an

• Wireless Network Adaptors

ultra low quiescent current of 35µA. Separate enable

pins allow each output of the LP5996 to be shut

down, drawing virtually zero current.

KEY SPECIFICATIONS

• Input Voltage Range, 2.0V to 6.0V

The LP5996 is designed to be stable with small

footprint ceramic capacitors down to 1µF.

• Low Dropout Voltage at 300mA, 210mV

The LP5996 is available in fixed output voltages and

• Ultra-Low I

(Enabled), 35µA

comes in a 10 pin, 3mm x 3mm package.

• Virtually Zero I

(Disabled), <10nA

Typical Application Circuit

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (19 pages)

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LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 LP5996 Dual Linear Regulator with 300mA and 150mA Outputs Check for Samples: LP5996 FEATURES PACKAGE • • • • 1 2 • • 2 LDO Outputs with Independent Enable 1.5% Accuracy at Room Temperature, 3% over Temperature Thermal Shutdown Protection Stable with Ceramic Capacitors Cellular Handsets PDA's Wireless Network Adaptors office. DESCRIPTION The LP5996 provides 1.5% accuracy requiring an ultra low quiescent current of 35µA.
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LP5996 SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 www.ti.com Functional Block Diagram VIN LDO1 VOUT1 EN1 LDO2 VOUT2 EN2 CBYP VREF GND Pin Descriptions 2 Name Pin No Function VIN 1 Voltage Supply Input. Connect a 1µF capacitor between this pin and GND. EN1 2 Enable Input to Regulator 1. Active high input. High = On. Low = OFF. EN2 3 Enable Input to Regulator 2. Active high input. High = On. Low = OFF. CBYP 4 Internal Voltage Reference Bypass.
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LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 Connection Diagram 10-Pin SON Package VOUT1 VOUT2 N/C N/C GND 10 9 8 7 6 GND 1 2 3 4 5 VIN EN1 EN2 CBYP N/C Top View Figure 1. See Package Number DSC0010A These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) (2) (3) Input Voltage -0.
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LP5996 SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 www.ti.
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LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 Electrical Characteristics(1) (2) (continued) Unless otherwise noted, VEN = 950mV, VIN = VOUT + 1.0V, or 2.0V, whichever is higher, where VOUT is the higher of VOUT1 and VOUT2. CIN = 1 µF, IOUT = 1 mA, COUT1 = COUT2 = 1.0µF. Typical values and limits appearing in normal type apply for TA = 25°C. Limits appearing in boldface type apply over the full junction temperature range for operation, −40 to +125°C.
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LP5996 SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 www.ti.com Typical Performance Characteristics. Unless otherwise specified, CIN = 1.0µF Ceramic, COUT1 = COUT2 = 1.0µF Ceramic, CBYP = 10nF, VIN = VOUT2(NOM) + 1.0V, TA = 25°C, VOUT1(NOM) = 3.3V, VOUT2(NOM) = 3.3V, Enable pins are tied to VIN. 6 Output Voltage Change vs Temperature Ground Current vs Load Current,LDO1 Figure 2. Figure 3. Ground Current vs Load Current, LDO2 Ground Current vs VIN, ILOAD = 1mA Figure 4. Figure 5.
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LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 Typical Performance Characteristics. (continued) Unless otherwise specified, CIN = 1.0µF Ceramic, COUT1 = COUT2 = 1.0µF Ceramic, CBYP = 10nF, VIN = VOUT2(NOM) + 1.0V, TA = 25°C, VOUT1(NOM) = 3.3V, VOUT2(NOM) = 3.3V, Enable pins are tied to VIN. Line Transient, CBYP = 10nF Line Transient, CBYP = 0 Figure 8. Figure 9. Load Transient, LDO1 Load Transient, LDO2 Figure 10. Figure 11. Noise Density, LDO1 Noise Density, LDO2 Figure 12.
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LP5996 SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 www.ti.com Typical Performance Characteristics. (continued) Unless otherwise specified, CIN = 1.0µF Ceramic, COUT1 = COUT2 = 1.0µF Ceramic, CBYP = 10nF, VIN = VOUT2(NOM) + 1.0V, TA = 25°C, VOUT1(NOM) = 3.3V, VOUT2(NOM) = 3.3V, Enable pins are tied to VIN. 8 Short Circuit Current, LDO1 Short Circuit Current, LDO2 Figure 14. Figure 15. Power Supply Rejection Ratio, LDO1 Power Supply Rejection Ratio, LDO2 Figure 16. Figure 17.
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LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 APPLICATION HINTS OPERATION DESCRIPTION The LP5996 is a low quiescent current, power management IC, designed specifically for portable applications requiring minimum board space and smallest components. The LP5996 contains two independently selectable LDOs. The first is capable of sourcing 150mA at outputs between 0.8V and 3.3V. The second can source 300mA at an output voltage of 0.8V to 3.3V.
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LP5996 SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 www.ti.com CAP VALUE (% OF NOM. 1 uF) in the capacitance value falling below the minimum value given in the recommended capacitor specifications table (0.7µF in this case). Note that the graph shows the capacitance out of spec for the 0402 case size capacitor at higher bias voltages. It is therefore recommended that the capacitor manufacturers’ specifications for the nominal value capacitor are consulted for all conditions, as some capacitor sizes (e.g.
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LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 SAFE AREA OF OPERATION Due consideration should be given to operating conditions to avoid excessive thermal dissipation of the LP5996 or triggering its thermal shutdown circuit.
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LP5996 SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 www.ti.com REVISION HISTORY Changes from Revision B (April 2013) to Revision C • 12 Page Changed layout of National Data Sheet to TI format ..........................................................................................................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant LP5996SD-0833/NOPB WSON DSC 10 1000 178.0 12.4 3.3 3.3 1.0 8.0 12.0 Q1 LP5996SD-1018/NOPB WSON DSC 10 1000 178.0 12.4 3.3 3.3 1.0 8.0 12.0 Q1 LP5996SD-1525/NOPB WSON DSC 10 1000 178.0 12.4 3.3 3.3 1.0 8.0 12.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant LP5996SDX-3308/NOPB WSON DSC 10 4500 330.0 12.4 3.3 3.3 1.0 8.0 12.0 Q1 LP5996SDX-3333/NOPB WSON DSC 10 4500 330.0 12.4 3.3 3.3 1.0 8.0 12.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) LP5996SDX-2828/NOPB WSON DSC 10 4500 367.0 367.0 35.0 LP5996SDX-3030/NOPB WSON DSC 10 4500 367.0 367.0 35.0 LP5996SDX-3033/NOPB WSON DSC 10 4500 367.0 367.0 35.0 LP5996SDX-3308/NOPB WSON DSC 10 4500 367.0 367.0 35.0 LP5996SDX-3333/NOPB WSON DSC 10 4500 367.0 367.0 35.
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