ISL9212B datasheet(4/11 Pages) RENESAS

4 / 11 page

ISL9212B

FN6399 Rev 0.00

Page 4 of 11

March 21, 2007

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

GRADUALLY RISES TO THE INPUT

OVERVOLTAGE THRESHOLD

FIGURE 5. TRANSIENT WHEN THE INPUT VOLTAGE STEPS

FROM 7.5V TO 6.5V

FIGURE 6. TRANSIENT WAVEFORMS WHEN INPUT STEPS

FROM 0V 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

LOAD CURRENT

200mA/DIV

OUT (1V/DIV)

TIME: 5ms/DIV

VIN (1V/DIV)

VIN (2V/div)

OUT (2V/div)

WRN (5V/div)

Time: 2

s/div

OUT (2V/DIV)

VIN (2V/DIV)

TIME: 2µs/DIV

WRN (5V/DIV)

VIN (2V/div)

Time: 200ms/div

OUT (2V/div)

WRN (5V/div)

OUT (2V/DIV)

WRN (5V/DIV)

VIN (2V/DIV)

TIME: 200ms/DIV

VIN (2V/div)

Time: 5ms/div

OUT (2V/div)

WRN (5V/div)

TIME: 5ms/DIV

WRN (5V/DIV)

OUT (2V/DIV)

VIN (2V/DIV)

VIN (2V/div)

OUT (2V/div)

Time: 500

s/div

WRN (5V/div)

ILIM (1V/div)

VIN (2V/DIV)

OUT (2V/DIV)

WRN (5V/DIV)

TIME: 500µs/DIV

ILIM (2V/DIV)

VIN (1V/div)

Time: 20s/div

OUT (1V/div)

WRN (5V/div)

VB (1V/div)

VIN (1V/DIV)

TIME: 20s/DIV

VB (1V/DIV)

OUT (1V/DIV)

WRN (5V/DIV)

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