ISL6256 データシートの表示（PDF） - Intersil

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ISL6256

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

Intersil 

ISL6256, ISL6256A

Typical Operating Performance DCIN = 20V, 4S2P Li-Battery, TA = +25°C, Unless Otherwise Noted. (Continued)

CSON

5V/div

EN

5V/div

INDUCTOR

CURRENT

2A/div

CHARGE

CURRENT

2A/div

BBAATTETREYRY

ININSSERETRIOTNION

VVCCOOMMPP

IICCOOMMPP

BBAATTTTEERRYY

RREEMMOOVVAAL L

INDUCTOR

CURRENT

2A/div

CSON

10V/div

VCOMP

2V/div

ICOMP

2V/div

FIGURE 10. CHARGE ENABLE AND SHUTDOWN

FIGURE 11. BATTERY INSERTION AND REMOVAL

CHLIM==00.2.2VV

CSON==88VV

PHASE

10V/div

INDUCTOR

CURRENT

1A/div

UGATE

5V/div

FIGURE 12. AC ADAPTER REMOVAL

PHASE

10V/div

UGATE

2V/div

LGATE

2V/div

FIGURE 13. AC ADAPTER INSERTION

AADDAAPPTTEERRRREEMMOOVVAALL

SGATE-CSIP

2V/div

SYSTEM BUS

VOLTAGE

10V/div

BGATE-CSIP

2V/div

INDUCTOR

CURRENT

2A/div

FIGURE 14. SWITCHING WAVEFORMS AT DIODE EMULATION

BGATE-CSIP

2V/div

SYSTEM BUS

VOLTAGE

10V/div

ADAPTER INSERTION

SGATE-CSIP

2V/div

INDUCTOR

CURRENT

2A/div

FIGURE 15. SWITCHING WAVEFORMS IN CC MODE

11

FN6499.1

July 19, 2007

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