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ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - DC/DC voltage regulator Switched-capacitor voltage converter VSSOP 10

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   

SLVS296 − JUNE 2000

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

features

D Regulated 3.3-V Output Voltage From a

1.8-V to 3.6-V Input Voltage Range

D UltraLow Operating Current in Snooze

Mode, Typical 2 µA

D Less Than 5-mV

(PP)

Output Voltage Ripple

Achieved With Push-Pull Topology

D Integrated Low-Battery and Power-Good

Detector

D Switching Frequency Can Be Synchronized

to External Clock Signal

D Extends Battery Usage With up to 90%

Efficiency and 35-µA Quiescent Current

D Easy-To-Design, Low Cost, Low EMI Power

Supply Since No Inductors Are Used

D Compact Converter Solution in UltraSmall

10-Pin MSOP With Only Four External

Capacitors Required

D Evaluation Module Available

(TPS60210EVM-167)

applications

D Replaces DC/DC Converters With Inductors

in Battery-Powered Applications Like:

− Two Battery Cells to 3.3-V Conversion

− MSP430 Ultralow-Power Microcontroller

and Other Battery Powered

Microprocessor Systems

− Glucose Meters and Other Medical

Instruments

− MP3 Portable Audio Players

− Backup-Battery Boost Converters

− Cordless Phones, PDAs

description

The TPS6021x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V

input voltage. These devices are typically powered by two alkaline, NiCd, or NiMH battery cells or by one primary

lithium MnO2 (or similar) coin cell and operate down to a minimum supply voltage of 1.6 V. Continuous output

current is a minimum of 100 mA for the TPS60210 and TPS60211, and 50 mA for the TPS60212 and TPS60213,

all from a 2-V input.

Figure 1. Typical Application Circuit With

Low-Battery Warning

OUTPUT

3.3 V

INPUT

1.6 V to 3.6 V

ON/OFF

2.2

Low Battery

Warning

C1−

C1+

LBI

TPS60210

OUT

C2−

C2+

LBO

GND

SNOOZE

TPS60210

PEAK OUTPUT CURRENT

INPUT VOLTAGE

150

100

1.6 2.0 2.4 2.8

200

250

350

3.2 3.6

300

− Input Voltage − V

I − Output Current − mA

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.

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Summary of content (26 pages)

PAGE 1
SLVS296 − JUNE 2000 D Evaluation Module Available features (TPS60210EVM-167) D Regulated 3.3-V Output Voltage From a D D D D D D D 1.8-V to 3.
PAGE 2
SLVS296 − JUNE 2000 description (continued) Three operating modes can be programmed using the SNOOZE pin. When SNOOZE is low, the device is put into snooze mode. In snooze mode, the device operates with a typical quiescent current of 2 µA while the output voltage is maintained at 3.3 V ±6%. This is lower than the self-discharge current of most batteries. Load current in snooze mode is limited to 2 mA.
PAGE 3
SLVS296 − JUNE 2000 functional block diagrams TPS60210 and TPS60212 with low-battery detector Charge Pump 1 0° IN Oscillator 180° C1+ C1 C1− SNOOZE Charge Pump 2 Control Circuit C2+ _ C2− C2 + VREF Shutdown/ Start-Up Control + − OUT _ _ + LBI + + − 0.
PAGE 4
SLVS296 − JUNE 2000 Terminal Functions TERMINAL NAME NO. I/O DESCRIPTION C1+ 4 Positive terminal of the flying capacitor C1 C1− 3 Negative terminal of the flying capacitor C1 C2+ 6 Positive terminal of the flying capacitor C2 C2− 8 Negative terminal of the flying capacitor C2 GND 2 IN 7 I Supply input. Bypass IN to GND with a capacitor of a minimum of 2.2 µF.
PAGE 5
SLVS296 − JUNE 2000 detailed description (continued) constant-frequency mode When the output current is higher than the linskip current threshold, the charge pump runs continuously at the switching frequency fOSC. The control circuit, fed from the error amplifier, controls the charge on C1 and C2 by regulating the rDS(on) of the integrated MOSFET switches.
PAGE 6
SLVS296 − JUNE 2000 detailed description (continued) low-battery detector (TPS60210 and TPS60212) The low-battery comparator trips at 1.18 V ±5% when the voltage on pin LBI ramps down. The voltage V(TRIP) at which the low-battery warning is issued can be adjusted with a resistive divider as shown in Figure 2. The sum of resistors R1 and R2 is recommended to be in the 100-kΩ to 1-MΩ range.
PAGE 7
SLVS296 − JUNE 2000 detailed description (continued) Table 1. Recommended Values for the Resistive Divider From the E96 Series (±1%) VIN/V 1.6 R1/kΩ R2/kΩ 750 VTRIP(MIN)/V 1.524 VTRIP(MAX)/V 1.677 267 1.7 301 1.8 340 681 1.620 1.785 649 1.710 1.887 1.9 2.0 374 619 1.799 1.988 402 576 1.903 2.
PAGE 8
SLVS296 − JUNE 2000 electrical characteristics at Ci= 2.2 µF, C1 = C2 = 1 µF, Co = 2.2 µF, TA = −40°C to 85°C, VI = 2.
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SLVS296 − JUNE 2000 TYPICAL CHARACTERISTICS Table of Graphs FIGURES vs Output current (TPS60210 and TPS60212) η Efficiency IO Output current VO Output voltage IQ Quiescent supply current VO Output voltage VO Output voltage ripple 3, 4 vs Input voltage 5 vs Input voltage 6 vs Output current (TPS60210 and TPS60212) 7, 8 vs Input voltage (TPS60210 and TPS60212) 9, 10 vs Input voltage 11 vs Out
PAGE 10
SLVS296 − JUNE 2000 TYPICAL CHARACTERISTICS TPS60210 PEAK OUTPUT CURRENT vs INPUT VOLTAGE TPS60210 EFFICIENCY vs INPUT VOLTAGE 100 350 90 300 IO − Output Current − mA 80 Efficiency − % 70 60 50 IO = 50 mA 40 30 250 200 150 100 20 50 10 0 1.6 2.0 2.4 2.8 VI − Input Voltage − V 3.2 0 1.6 3.6 2.0 2.4 2.
PAGE 11
SLVS296 − JUNE 2000 TYPICAL CHARACTERISTICS TPS60210 TPS60212 OUTPUT VOLTAGE vs INPUT VOLTAGE OUTPUT VOLTAGE vs INPUT VOLTAGE 3.4 3.35 3.30 1 mA 3.2 3.1 VO − Output Voltage − V VO − Output Voltage − V 3.3 50 mA 100 mA 3.0 2.9 2.8 2.7 1.6 1 mA 3.25 3.20 25 mA 50 mA 3.15 3.10 3.05 2.0 2.4 3.2 2.8 3.00 1.6 3.6 VI − Input Voltage − V 2.
PAGE 12
SLVS296 − JUNE 2000 TYPICAL CHARACTERISTICS TPS60210 TPS60210 OUTPUT VOLTAGE RIPPLE vs TIME 3.6 3.38 3.5 3.36 3.4 3.34 VO− Output Voltage − V VO − Output Voltage − V OUTPUT VOLTAGE vs TIME 3.3 SNOOZE 3.2 VI = 2.4 V IO = 1 mA 3.32 3.30 3.28 3.26 High 3.24 Low 3.
PAGE 13
SLVS296 − JUNE 2000 TYPICAL CHARACTERISTICS TPS60210 TPS60210 OUTPUT VOLTAGE RIPPLE IN SNOOZE MODE vs TIME OUTPUT VOLTAGE RIPPLE IN SNOOZE MODE vs TIME 3.7 3.7 VI = 2.4 V IO = 1 mA CO = 10 µF (Tantalum) SNOOZE = Low 3.5 VO − Output Voltage − V VO − Output Voltage − V 3.6 VI = 2.4 V IO = 1 mA CO = 2.2 µF (Ceramic) SNOOZE = Low 3.6 3.4 3.3 3.2 3.5 3.4 3.3 3.2 3.1 3.1 3 3 2.9 2.
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SLVS296 − JUNE 2000 APPLICATION INFORMATION capacitor selection The TPS6021x devices require only four external capacitors to achieve a very low output voltage ripple. The capacitor values are closely linked to the required output current. Low ESR (< 0.1-Ω) capacitors should be used at the input and output of the charge pump. In general, the transfer capacitors (C1 and C2) will be the smallest.
PAGE 15
SLVS296 − JUNE 2000 APPLICATION INFORMATION Table 2. Recommended Capacitor Values (Ceramic X5R and X7R) LOAD CURRENT, ILOAD (mA) FLYING CAPACITORS, C1/C2 (µF) INPUT CAPACITOR, CIN (µF) OUTPUT CAPACITOR, COUT (µF) OUTPUT VOLTAGE RIPPLE IN LINEAR MODE, VP-P (mV) OUTPUT VOLTAGE RIPPLE IN SKIP MODE, VP-P (mV) 0−100 1 2.2 2.2 3 20 0−100 1 4.7 4.7 3 10 0−100 1 2.2 10 3 7 0−100 2.2 4.7 4.
PAGE 16
SLVS296 − JUNE 2000 APPLICATION INFORMATION typical operating circuit TPS60210 INPUT 1.8 V to 3.6 V 7 R1 Ci 2.2 µF 1 R3 LBI LBO R2 4 OUTPUT 3.3 V, 100 mA TPS60210 5 IN OUT C1+ C2+ Co 2.2 µF 10 Low Battery Warning 6 C1 1 µF 3 8 C1− C2− 9 SNOOZE GND ON/OFF 2 C2 1 µF Figure 21. Typical Operating Circuit TPS60210 With Low-Battery Comparator INPUT 1.6 V to 3.6 V Ci 2.
PAGE 17
SLVS296 − JUNE 2000 APPLICATION INFORMATION typical operating circuit TPS60211 INPUT 1.8 V to 3.6 V 7 OUTPUT 3.3 V, 100 mA TPS60211 5 IN OUT Ci 2.2 µF R1 PG 4 C1+ C2+ C1 1 µF Co 2.2 µF 10 6 3 8 C1− C2− 9 SNOOZE GND ON/OFF 1,2 Power-Good Signal C2 1 µF Figure 23.
PAGE 18
SLVS296 − JUNE 2000 APPLICATION INFORMATION layout and board space (continued) C1 R3 R2 IC1 C5 R1 C4 17,9 mm 10,2 mm C3 R4 C2 Figure 24. Recommended Component Placement and Board Layout Table 5.
PAGE 19
SLVS296 − JUNE 2000 APPLICATION INFORMATION device family products Other charge pump dc-dc converters from Texas Instruments are: Table 6. Product Identification PART NUMBER LITERATURE NUMBER DESCRIPTION TPS60100 SLVS213 2-cell to regulated 3.3-V, 200-mA low-noise charge pump TPS60101 SLVS214 2-cell to regulated 3.3-V, 100-mA low-noise charge pump TPS60110 SLVS215 3-cell to regulated 5.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 10-Jun-2014 (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined.
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PACKAGE MATERIALS INFORMATION www.ti.com 19-Nov-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 TPS60210DGSR VSSOP DGS 10 2500 330.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1 TPS60212DGSR VSSOP DGS 10 2500 330.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1 TPS60213DGSR VSSOP DGS 10 2500 330.0 12.4 5.3 3.4 1.4 8.0 12.
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PACKAGE MATERIALS INFORMATION www.ti.com 19-Nov-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TPS60210DGSR VSSOP DGS 10 2500 340.5 338.1 20.6 TPS60212DGSR VSSOP DGS 10 2500 340.5 338.1 20.6 TPS60213DGSR VSSOP DGS 10 2500 340.5 338.1 20.
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