MCP73844-820I/MS Просмотр технического описания (PDF) - Microchip Technology

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Компоненты Описание

производитель

MCP73844-820I/MS

Advanced Single or Dual Cell Lithium-Ion/Lithium-Polymer Charge Management Controllers

Microchip Technology 

MCP73841/2/3/4

Note: Unless otherwise indicated, VDD = [VREG(Typ) + 1V], IOUT = 10 mA and TA= +25°C.

0.45

MCP73841-4.2V

0.40

VDD = Float

0.35

0.30

0.25

0.20

+85°C

0.15

0.10

+25°C

0.05

-45°C

0.00

2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2

VBAT (V)

FIGURE 2-13:

Output Reverse Leakage

Current (IDISCHARGE) vs. Battery Voltage (VBAT).

0.90

MCP73842-8.4V

0.80

VDD = Float

0.70

+85°C

0.60

0.50

0.40

+25°C

0.30

0.20

-45°C

0.10

0.00

4.0 4.4 4.8 5.2 5.6 6.0 6.4 6.8 7.2 7.6 8.0 8.4

VBAT (V)

FIGURE 2-16:

Output Reverse Leakage

Current (IDISCHARGE) vs. Battery Voltage (VBAT).

2.560

2.558

2.556

2.554 +85°C

2.552 +25°C

2.550

2.548

2.546 -45°C

2.544

2.542

2.540

0 25 50

MCP73841-4.2V

VDD = 5.2 V

75 100 125 150 175 200

ITHREF (µA)

FIGURE 2-14:

Thermistor Reference

Voltage (VTHREF) vs. Thermistor Bias Current

(ITHREF).

2.560

2.558

2.556 +85°C

2.554 +25°C

2.552

2.550

2.548

2.546 -45°C

2.544

2.542

2.540

0 25 50

MCP73842-8.4V

VDD = 9.4 V

75 100 125 150 175 200

ITHREF (µA)

FIGURE 2-17:

Thermistor Reference

Voltage (VTHREF) vs. Thermistor Bias Current

(ITHREF).

2.568

2.564

2.560

MCP73841-4.2V

ITHREF = 100 µA

2.556

2.552

2.548

2.544

+85°C

+25°C

-45°C

2.540

4.5

6.0

7.5

9.0

10.5 12.0

VDD (V)

FIGURE 2-15:

Thermistor Reference

Voltage (VTHREF) vs. Supply Voltage (VDD).

2.568

2.564

2.560

2.556

+85°C

MCP73842-8.4V

ITHREF = 100 µA

2.552 +25°C

2.548

2.544

-45°C

2.540

8.8 9.2 9.6 10.0 10.4 10.8 11.2 11.6 12.0

VDD (V)

FIGURE 2-18:

Thermistor Reference

Voltage (VTHREF) vs. Supply Voltage (VDD).

DS21823B-page 8

 2004 Microchip Technology Inc.

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