Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - DC/DC voltage regulator Boost SOT 6

FEATURES

DESCRIPTION

APPLICATIONS

10 µF

4.7

VBAT

VOUT

10 µF

GND

TPS61070

3.3VUp To

100mA

0.9-V T

oV

TPS61070 , TPS61071

TPS61072 , TPS61073

www.ti.com

.......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009

90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH

• 90% Efficient Synchronous Boost Converter

– 75-mA Output Current at 3.3 V From 0.9-V

The TPS6107x devices provide a power supply

solution for products powered by either a one-cell,

Input

two-cell, or three-cell alkaline, NiCd or NiMH, or

– 150-mA Output Current at 3.3 V From 1.8-V

one-cell Li-ion or Li-polymer battery. Output currents

Input

can go as high as 75 mA while using a single-cell

• Device Quiescent Current: 19 µ A (Typ)

alkaline, and discharge it down to 0.9 V. It can also

be used for generating 5 V at 200 mA from a 3.3 V

• Input Voltage Range: 0.9 V to 5.5 V

rail or a Li-ion battery. The boost converter is based

• Adjustable Output Voltage Up to 5.5 V

on a fixed frequency, pulse-width-modulation (PWM)

• Power-Save Mode Version Available for

controller using a synchronous rectifier to obtain

Improved Efficiency at Low Output Power

maximum efficiency. At low load currents the

TPS61070 and TPS61073 enter the power-save

• Load Disconnect During Shutdown

mode to maintain a high efficiency over a wide load

• Overtemperature Protection

current range. The power-save mode is disabled in

• Small 6-Pin Thin SOT23 Package

the TPS61071 and TPS61072, forcing the converters

to operate at a fixed switching frequency. The

maximum peak current in the boost switch is typically

limited to a value of 600 mA.

• All One-Cell, Two-Cell, and Three-Cell Alkaline,

NiCd or NiMH or Single-Cell Li

The TPS6107x output voltage is programmed by an

Battery-Powered Products

external resistor divider. The converter can be

• Portable Audio Players

disabled to minimize battery drain. During shutdown,

the load is completely disconnected from the battery.

• PDAs

The device is packaged in a 6-pin thin SOT23

• Cellular Phones

package (DDC).

• Personal Medical Products

• White LED Lighting

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.

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 (25 pages)

PAGE 1
TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH FEATURES 1 • • • • • • • • 90% Efficient Synchronous Boost Converter – 75-mA Output Current at 3.3 V From 0.9-V Input – 150-mA Output Current at 3.3 V From 1.
PAGE 2
TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com 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.
PAGE 3
TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com ..........................................................................................................................................................
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TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com PIN ASSIGNMENTS DDC PACKAGE TOP VIEW VBAT VOUT 6 5 FB 4 ABC 1 2 3 SW GND EN Terminal Functions TERMINAL NAME NO.
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TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 FUNCTIONAL BLOCK DIAGRAM (TPS61070) SW Backgate Control VBAT VOUT 5 kΩ VOUT Vmax Control 3 pF Gate Control GND Error Amplifier 160 kΩ 50 kΩ _ FB Regulator + 5 pF Vref = 0.
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TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.
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TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 TYPICAL CHARACTERISTICS (continued) EFFICIENCY vs OUTPUT CURRENT EFFICIENCY vs OUTPUT CURRENT 100 100 90 80 80 70 70 Efficiency − % Efficiency − % 90 TPS61070 VO = 3.3 V 60 50 VBAT = 0.9 V 40 VBAT = 1.8 V VBAT = 1.8 V VBAT = 2.4 V 50 VBAT = 3.
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TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS (continued) OUTPUT VOLTAGE vs OUTPUT CURRENT OUTPUT VOLTAGE vs OUTPUT CURRENT 3.35 5.1 VBAT = 3.6 V TPS61070 VO = 3.3 V TPS61070 VO = 5 V 5.05 VO − Output Voltage − V VO − Output Voltage − V VBAT = 2.4 V 3.30 3.25 5 4.95 4.
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TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 TYPICAL CHARACTERISTICS (continued) TPS61071 OUTPUT VOLTAGE IN CONTINUOUS MODE TPS61070 OUTPUT VOLTAGE IN POWER-SAVE MODE VI = 1.2 V, RL = 330 W, VO = 3.
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TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS (continued) TPS61071 LOAD TRANSIENT RESPONSE Input Voltage 500 mV/div, AC VI = 1.8 V to 2.4 V, RL = 33 W, VO = 3.3 V t − Time − 2 ms/div Figure 16. t − Time − 2 ms/div Figure 15. VI = 2.4 V, RL = 33 Ω, VO = 3.
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TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 TYPICAL CHARACTERISTICS (continued) Inductor Current 200 mA/div, DC VI = 2.4 V, RL = 33 W, VO = 3.3 V Voltage at SW 2 V/div, DC Inductor Current 200 mA/div, DC VI = 3.
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TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com DETAILED DESCRIPTION CONTROLLER CIRCUIT The controller circuit of the device is based on a fixed frequency multiple feedforward controller topology. Input voltage, output voltage, and voltage drop on the NMOS switch are monitored and forwarded to the regulator.
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TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 0.15 0.14 0.13 0.12 Precharge Current - A 0.11 0.1 0.09 0.08 VBAT = 2.4 V 0.07 VBAT = 3.6 V VBAT = 5 V 0.06 0.05 VBAT = 1.8 V 0.04 0.03 0.02 0.01 0 0 VBAT = 1.2 V 0.5 1 1.5 2 2.5 3 3.5 VO - Output Voltage - V 4 4.5 5 Figure 22.
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TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com APPLICATION INFORMATION DESIGN PROCEDURE The TPS6107x dc/dc converters are intended for systems powered by a single-cell, up to triple-cell alkaline, NiCd, NiMH battery with a typical terminal voltage between 0.9 V and 5.5 V.
PAGE 15
TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 The second parameter for choosing the inductor is the desired current ripple in the inductor. Normally, it is advisable to work with a ripple of less than 20% of the average inductor current.
PAGE 16
TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com DV ESR +I O R ESR (6) The total ripple is the sum of the ripple caused by the capacitance and the ripple caused by the ESR of the capacitor. Additional ripple is caused by load transients.
PAGE 17
TPS61070, TPS61071 TPS61072, TPS61073 www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009 L1 VOUT SW VBAT C1 Power Supply VCC Boost Output C2 R1 FB R2 EN GND TPS6107x List of Components: U1 = TPS61070DDC L1 = 4.7 µH Taiyo Yuden CB2016B4R7M C1 = 1 x 4.7 µF, 0603, X7R/X5R Ceramic C2 = 2 x 4.7 µF, 0603, X7R/X5R Ceramic Figure 25.
PAGE 18
TPS61070, TPS61071 TPS61072, TPS61073 SLVS510C – JULY 2006 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com C5 DS1 C6 1 µF VCC2 ~−VCC Unregulated Auxiliary Output 0.1 µF L1 SW VBAT C1 Power Supply VOUT R1 C2 VCC Boost Output FB EN R2 GND TPS6107x List of Components: U1 = TPS61070DDC L1 = 4.7 µH Wurth Elektronik 744031004 C1 = 2 x 4.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 10-Jun-2014 (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line.
PAGE 21
PACKAGE MATERIALS INFORMATION www.ti.com 16-Jun-2012 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 TPS61070DDCR SOT DDC 6 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.0 Q3 TPS61071DDCR SOT DDC 6 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.0 Q3 TPS61072DDCR SOT DDC 6 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.
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PACKAGE MATERIALS INFORMATION www.ti.com 16-Jun-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TPS61070DDCR SOT DDC 6 3000 203.0 203.0 35.0 TPS61071DDCR SOT DDC 6 3000 203.0 203.0 35.0 TPS61072DDCR SOT DDC 6 3000 203.0 203.0 35.0 TPS61073DDCR SOT DDC 6 3000 203.0 203.0 35.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.