VIN

SW

FB

MODE

GND

EN

2.85 V @ 500mA

C

I

TPS82690SIP

L

3.25 V .. 4.35 V

C

O

MODE

SELECTION

ENABLE

DC/DC Converter

GND

0.1

1

10

100

1000

I

- Load Current - mA

O

50

55

60

65

70

75

80

85

90

95

100

0

15

30

45

60

75

90

105

120

135

150

V = 3.6 V,

V

= 2.85 V

I

O

Efficiency

PFM/PWM Operation

Power Loss

PFM/PWM Operation

TPS82690

TPS82695

TPS82697

www.ti.com

SLVSA66B

– JUNE 2011 – REVISED FEBRUARY 2012

500-mA, HIGH-EFFICIENCY MicroSiP

™ STEP-DOWN CONVERTER (PROFILE <1mm)

Check for Samples: TPS82690, TPS82695, TPS82697

1

FEATURES

DESCRIPTION

2

•

Total Solution Size

The TPS8269xSIP device is a complete 500mA,

•

95% Efficiency at 4MHz Operation

DC/DC

step-down

power

supply

intended

for

low-power applications. Included in the package are

•

24

μA Quiescent Current

the switching regulator, inductor and input/output

•

High Duty-Cycle Operation

capacitors. No additional components are required to

•

Best in Class Load and Line Transient

finish the design.

•

±2% Total DC Voltage Accuracy

The TPS8269xSIP is based on a high-frequency

•

Automatic PFM/PWM Mode Switching

synchronous step-down dc-dc converter optimized for

battery-powered

portable

applications.

The

•

Low Ripple Light-Load PFM Mode

MicroSIP

™ DC/DC converter operates at a regulated

•

Excellent AC Load Regulation

4-MHz

switching

frequency

and

enters

the

•

Internal Soft Start, 130-

µs Start-Up Time

power-save mode operation at light load currents to

•

Integrated Active Power-Down Sequencing

maintain high efficiency over the entire load current

range.

(Optional)

•

Current Overload and Thermal Shutdown

The PFM mode extends the battery life by reducing

Protection

the quiescent current to 24

μA (typ) during light load

operation. For noise-sensitive applications, the device

•

Sub 1-mm Profile Solution

has PWM spread spectrum capability providing a

lower noise regulated output, as well as low noise at

APPLICATIONS

the input. These features, combined with high PSRR

•

LDO Replacement

and AC load regulation performance, make this

device suitable to replace a linear regulator to obtain

•

Cell Phones, Smart-Phones

better power conversion efficiency.

•

PoL Applications

The TPS8269xSIP is packaged in a compact (2.3mm

x 2.9mm) and low profile (1.0mm) BGA package

suitable for automated assembly by standard surface

mount equipment.

Figure 1. Typical Application

Figure 2. Efficiency vs. Load Current

1

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.

2

MicroSiP, MicroSIP are trademarks of Texas Instruments.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright

© 2011–2012, Texas Instruments Incorporated

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.