VPA2000

Product Data

March 11, 2010

4

SPECIFICATION TABLE

VIN = 2.7V to 4.0V. Unless otherwise specified, all specifications are tested under TA = 25°C.

The ◙ denotes specifications that apply for TA = -40°C to +85°C. [Note 4]

Table 3. General Electrical Specifications

SYMBOL

PARAMETER

CONDITIONS

◙

MIN

TYP

MAX

UNITS

VIN

Operating input voltage range

◙

2.7

4.0

V

IQ_VIN

VIN quiescent current

VIN = 2.7V to 4.0V

3

mA

[Note 4] Specifications over the -40°C to +85°C operation ambient temperature are guaranteed by design, characterization and statistical correlation.

VIN = 2.7V to 4.0V; CIN = 10µF, CAVDD = 22µF. Unless otherwise specified, all specifications are tested under TA = 25°C.

The ◙ denotes specifications that apply for TA = -40°C to +85°C. [Note 4]

Table 4. Step-up Switching Regulator (Boost) Specification

SYMBOL

PARAMETER

CONDITIONS

◙

MIN

TYP

MAX

UNITS

AVDD

Output voltage range

16

V

VFBB

FBB reference voltage

Measure VCOMP, VFBB = VCOMP

1.188

1.2

1.212

V

Line regulation

IAVDD = 100mA, VIN = 3V to 4V

0.2

%

Load regulation

IAVDD = 50mA to 200mA,

AVDD = 8V

0.2

%

Overall accuracy (Line, Load,

Temperature)

◙

-3

3

%

IFBB_LEAK

FBB pin input leakage current

VFBB = 0.5V to 1.5V

◙

-100

100

nA

RDS(ON)

N-channel switch ON-resistance

VIN = 3.3V

0.2

0.35

ICL

N-channel switch current limit

VFBB = 1.1V, VRLIM = VIN

◙

1.8

2.35

2.8

A

ISW_LEAK

SWN pin leakage current

VFBB = 1.4V, VSWN = 20V

◙

0.1

1

µA

fOSC

Switching frequency

1.2

MHz

DMAX

Maximum duty cycle

◙

86

93

%

tMIN

Minimum on-time

50

ns

gm

Error amplifier transconductance

1600

µS

ISS

COMP soft start source current

During soft start

2

µA

OVP

AVDD over-voltage trip point

Measure at AVDD pin

Vin = 3.3V

◙

18

19.5

21

V

AVDD trip point hysteresis

1.7

V

VFBB_FAULT

FBB fault trip point

Measure at FBB pin

◙

0.95

1

1.05

V

[Note 4] Specifications over the -40°C to +85°C operation ambient temperature are guaranteed by design, characterization and statistical correlation.