ISL9212AIRZ datasheet(4/11 Pages) RENESAS

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Giải thích chi tiết về linh kiện	Charging System Safety Circuit

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ISL9212A

FN6384 Rev 0.00

Page 4 of 11

November 14, 2006

Typical Operating Performance The test conditions for the Typical Operating Performance are: VIN = 5V, TA = +25°C,

RILIM = 25.5k, RVB = 200k, Unless Otherwise Noted.

FIGURE 2. CAPTURED WAVEFORMS FOR POWER-UP. THE

OUTPUT IS LOADED WITH A 10

 RESISTOR

FIGURE 3. CAPTURED WAVEFORMS WHEN THE INPUT

VOLTAGE STEPS FROM 6.5V TO 10.5V

FIGURE 4. CAPTURED WAVEFORMS WHEN THE INPUT

STEPS FROM 7V to 10V

FIGURE 5. TRANSIENT WHEN THE INPUT VOLTAGE STEPS

FROM 10V TO 7V

FIGURE 6. TRANSIENT WAVEFORMS WHEN INPUT STEPS

FROM ZERO TO 9V

FIGURE 7. BATTERY OVERVOLTAGE PROTECTION. THE IC

IS LATCHED OFF AFTER 16 COUNTS OF

PROTECTION. VB VOLTAGE VARIES BETWEEN

4.3V TO 4.5V

VIN (1V/div)

OUT (1V/div)

Load Current

(200mA/div)

Time: 5ms/div

VIN (2V/div)

OUT (2V/div)

Time: 500

s/div

WRN (5V/div)

ILIM (1V/div)

VIN (1V/div)

Time: 20s/div

OUT (1V/div)

WRN (5V/div)

VB (1V/div)

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