MC34676 datasheet(8/27 Pages) FREESCALE

No. de pieza	MC34676

Descripción Electrónicos	Dual 28 V Input Voltage Charger with Linear Regulator

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Fabricante Electrónico	FREESCALE [Freescale Semiconductor, Inc]

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Analog Integrated Circuit Device Data

8

Freescale Semiconductor

34676

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

ELECTRICAL PERFORMANCE CURVES

Figure 4. AC Charger Complete Charge Cycle

VAC=5.0 V, RISET=5.22 kΩ, 740mAh Battery, TA=25oC

Figure 5. AC Pin Supply Current vs VAC

IBAT=0 mA, TA=25oC

Figure 6. VISET vs VAC

VBAT=3.7 V, RISET=5.22 kΩ, TA=25oC

Figure 7. VISET vs AC Charger Charge Current

VAC=5.0 V, TA=25oC

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions VAC = VUSB = 5.0 V, -40°C ≤ TA ≤ 85°C, C1 = C2 = C4 = 1.0 μF and C3 = 0.1 μF (See

Figure 1), unless otherwise noted. Typical values noted reflect the approximate parameter means at VAC = VUSB = 5.0 V and TA

= 25°C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

END-OF-CHARGE

EOC Filtering Time

tEOC

500

-

1000

ms

OSCILLTOR

Oscillation Frequency

fOSC

42

50.0

54.5

kHz

0

25

50

75 100 125 150 175

0

150

300

450

600

750

0

1

2

3

4

5

Charge Time ( min)

Battery Voltage

Charger Current

34

567

0

500

1000

1500

2000

2500

3000

Charger Disabled

Input Voltage (V)

Charger Enabled

4.04.5

5.05.5

6.06.5

7.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

Input Voltage (V)

0

150

300

450

600

750

0.0

0.2

0.4

0.6

0.8

1.0

R

ISET=5.22kΩ

Charger Current (mA)

R

ISET=26.7kΩ

Número de pieza similar - MC34676

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MC34676 Datasheet(PDF) 8 Page - Freescale Semiconductor, Inc

MC34676 Datasheet(HTML) 8 Page - Freescale Semiconductor, Inc

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