LM27213

SNVS377A – FEBRUARY 2006 – REVISED MARCH 2013

www.ti.com

Electrical Characteristics (continued)

Specifications with standard typeface are for TJ = 25°C, and those in bold face type apply over a junction temperature range

of -5°C to +110°C. Unless otherwise specified, VDD = 5V, SGND = DGND = PGND = SRCK = 0V, unless otherwise stated.

(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

UVLO Threshold

VDD = V5A = V5B, rising from 0V

4

4.3

4.5

V

UVLO Hysteresis

VDD = V5A = V5B falling from UVLO

0.2

0.66

V

Threshold

Logic

VLH

VR_ON, STP_CPU#, XPOK and SLP

VR_ON, STP_CPU#, XPOK or SLP rising

2.31

1.9

V

Input Logic High

from 0V

VLL

VR_ON, STP_CPU#, XPOK and SLP

VR_ON, STP_CPU#, XPOK or SLP

1.43

0.99

V

Input Logic Low

falling from 3.3V

CLK_EN# Sink Current

CLK_EN# = 0.1V and asserted

2.5

7

mA

Power Good

VPGH

Power Good Upper Threshold As A

SENSE voltage rising from 0V

108

114

119

%

Percentage of VREF

VPGL

Power Good Lower Threshold As A

SENSE voltage falling from above VREF

85

88

91

%

Percentage of VREF

Hysteresis

5

%

tdpgood

Power Good Delay

3

µs

Ipgood

PGOOD Sink Current

PGOOD = 0.1V and asserted

2.5

7

mA

Output Voltage Slew Rate Control

Iss(on)

Soft Start Current

SS = 0V

16

22

32

µA

Iss(off)

Soft Shutdown Current

33

45

57

µA

Iss(slew)

VID and Mode Change Slew Rate Control

255

337

415

µA

Current

DAC and References

VIDLH

VID Pins Input Logic High

0.63

0.56

V

VIDLL

VID Pins Input Logic Low

0.48

0.315

V

Vdac

DAC Accuracy

Measured at VREF pin

%

DAC codes from 0.7V to 0.828V

-1.3

1.3

DAC codes from 0.844V to 1.004V

-1.1

1.1

DAC codes from 1.020V to 1.196V

-0.9

0.9

DAC codes from 1.212V to 1.356V

-1

1

DAC codes from 1.372V to 1.500V

-1.1

1.1

DAC codes from 1.516V to 1.708V

-1.3

1.3

V1R7

V1R7 Accuracy

17k

Ω from V1R7 to GND

-1.674

1.708

1.742

V

VSTP Offset

VSTP = 1.398V, Measured at VREF pin

-5

5

mV

VBOOT Offset

VBOOT = 1.00V, Measured at VREF pin

-5

5

mV

VSLP Offset

VSLP = 0.748V, Measured at VREF pin

-5

5

mV

IVREF

VREF Driving Capability

source

1.3

mA

sink

12.6

mA

IVDAC

VDAC Driving Capability

source

1.3

mA

sink

13.4

mA

IV1R7

V1R7 Driving Capability

source

90

549

µA

Error Comparator

IBEC

Error Comparator Input Bias Current

CMP = 1.436V.

12

21

33

µA

(Sourcing)

VOSEC

Error Comparator Input Offset Voltage

CMPREF = 1.436V.

-3

3

mV

IHYST

Hysteresis Current (bi-directional)

Rhys = 17kW

38

50

68

µA

Rhys = 170kW

5

µA

6

Submit Documentation Feedback

Copyright © 2006–2013, Texas Instruments Incorporated

Product Folder Links: LM27213