MCP73855-I/MF【PDF 4/28 页】IC CONTROLLER LI-ION 4.5V 10DFN

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MCP73853/55

DC CHARACTERISTICS (Continued)

Electrical Specifications: Unless otherwise indicated, all limits apply for V DD = [V REG (Typ) + 0.3V] to 5.5V,

T A = -40°C to 85°C. Typical values are at +25°C, V DD = [V REG (Typ) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

Charge Termination

Charge Termination Current

I TERM

3.7

18

6.5

32

9.3

46

mA

mA

PROG = OPEN

PROG = V SS

T A = -5°C to +55°C

Automatic Recharge

Recharge Threshold Voltage

V RTH

V REG – V REG – V REG –

V

V BAT High-to-Low

300mV 200mV 100mV

Thermistor Reference - MCP73853

Thermistor Reference

V THREF

2.475

2.55

2.625

V

T A = 25°C, V DD = V REG (Typ) + 1V,

Output Voltage

I THREF = 0 mA

Thermistor Reference

I THREF

200

—

—

μA

Source Current

Thermistor Reference Line

Regulation

|(Δ V THREF /

V THREF )|/ Δ V DD

—

0.05

0.25

%/V V DD = [V REG (Typ) + 1V] to 5.5V

Thermistor Reference Load

Regulation

|Δ V THREF /

V THREF|

0.02

0.10

%

I THREF = 0 mA to 0.20 mA

Thermistor Comparator - MCP73853

Upper Trip Threshold

Upper Trip Point Hysteresis

Lower Trip Threshold

Lower Trip Point Hysteresis

Input Bias Current

V T1

V T1HYS

V T2

V T2HYS

I BIAS

1.18

—

0.59

—

—

1.25

-50

0.62

80

—

1.32

—

0.66

—

2

V

mV

V

mV

μ A

Status Indicator – STAT1, STAT2

Sink Current

I SINK

4

8

12

mA

Low Output Voltage

Input Leakage Current

V OL

I LK

—

—

200

0.01

400

1

mV

μ A

I SINK = 1 mA

I SINK = 0 mA, V STAT1,2 = 5.5V

Enable Input

Input High Voltage Level

Input Low Voltage Level

V IH

V IL

1.4

—

—

—

—

0.8

V

V

Input Leakage Current

I LK

—

0.01

1

μ A

V ENABLE = 5.5V

Thermal Shutdown

Die Temperature

Die Temperature Hysteresis

T SD

T SDHYS

—

—

155

10

—

—

°C

°C

DS21915B-page 4

? 2004-2012 Microchip Technology Inc.

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