PS200-I/SO 데이터 시트보기 (PDF) - Microchip Technology

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PS200-I/SO

PowerSmart® Configurable Battery Charger

Microchip Technology 

PS200

TABLE 5-9: COMPARATOR SPECIFICATIONS (PINS LOOPFBK, CHGFBK, SHDN, VOVP)

Comparator Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +125°C

Param

No.

Symbol

Characteristics

Min Typ

Max Units

Comments

C01

VOS

Input Offset Voltage

—

±2

±5

mV

C02

VCM

Input Common Mode Voltage 0

— VDD – 1.5 V

C03

ILC

Input Leakage Current

—

—

200*

nA

C04

CMRR Common Mode Rejection

Ratio

C05

TRT

Response Time(1)

+70*

—

—

—

—

—

—

dB

20*

ns Internal

40*

ns Output to pin

* These parameters are characterized but not tested.

Note 1: Response time measured with one comparator input at (VDD – 1.5)/2, while the other input transitions from

VSS to VDD – 1.5V.

TABLE 5-10: COMPARATOR VOLTAGE REFERENCE (VREF) SPECIFICATIONS

Comparator Voltage Reference Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +125°C

Param

No.

Symbol

Characteristics

Min Typ

Max Units

Comments

CV01 CVRES Resolution

— VDD/24* —

— VDD/32

—

LSb Low Range (VRR = 1)

LSb High Range (VRR = 0)

CV02

Absolute Accuracy

—

—

±1/4* LSb Low Range (VRR = 1)

—

—

±1/2* LSb High Range (VRR = 0)

CV03

CV04

Unit Resistor Value (R)

Settling Time(1)

—

2K*

—

Ω

—

—

10*

μs

* These parameters are characterized but not tested.

Note 1: Settling time measured while VRR = 1 and VR<3:0> transitions from 0000 to 1111.

DS21891B-page 24

© 2005 Microchip Technology Inc.

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