Microchip Technology MA240029 데이터 시트

 2010-2011 Microchip Technology Inc.

DS39996F-page 367

 -40°C < T

A

 < +85°C (unless otherwise stated)

V

RGOUT

Regulator Output Voltage

—

1.8

—

V

V

BG

Internal Band Gap Reference

1.14

1.2

1.26

V

C

EFC

External Filter Capacitor Value

4.7

10

—

F

Series resistance < 3 Ohm 
recommended; < 5 Ohm 
required.

T

VREG

—

10

—

s

VREGS  =  1 with any POR or BOR

T

BG

Band Gap Reference Start-up 
Time

—

1

—

ms

V

LVR

Low-Voltage Regulator Output 
Voltage

—

1.2

—

V

RETEN = 1, LPCFG = 0

V

BT

Operating Voltage

1.8

—

3.6

V

Battery connected to the V

BAT

 pin

V

BTADC

V

BAT

 A/D Monitoring 

Voltage Specification

1.6

—

3.6

V

A/D monitoring the V

BAT

 pin using 

the internal A/D channel

Measuring the A/D value, using the A/D, is represented by the equation: 
Measured Voltage = ((V

BAT

/2)/V

DD

) * 1024) for 10-bit A/D and 

Measured Voltage = ((V

BAT

/2)V

DD

) * 4096) for 12-bit A/D.

Standard Operating Conditions: 2V to 3.6V (unless otherwise stated)
Operating temperature -40°C 

 T

A

 

 +85°C for Industrial 

I

OUT

1 CTMU Current 

Source, Base Range

—

550

—

nA

CTMUICON<1:0> = 00

2.5V < V

DD

 < V

DDMAX

I

OUT

2 CTMU Current 

Source, 10x Range

—

5.5

—

A

CTMUICON<1:0> = 01

I

OUT

3 CTMU Current 

Source, 100x Range

—

55

—

A

CTMUICON<1:0> = 10

I

OUT

4 CTMU Current 

Source, 1000x Range

—

550

—

A

CTMUICON<1:0> = 11

V



Voltage Change per 
Degree Celsius

—

3

—

mV/°C

Nominal value at center point of current trim range (CTMUICON<7:2> = 000000).

Do not use this current range with temperature sensing diode.