isl9212 Intersil Corporation, isl9212 Datasheet - Page 4

• Manufacturer Part Number: isl9212
• Description: Charging System Safety Circuit
• Manufacturer: Intersil Corporation

Typical Operating Performance
FIGURE 2. CAPTURED WAVEFORMS FOR POWER-UP. THE
FIGURE 4. CAPTURED WAVEFORMS WHEN THE INPUT
FIGURE 6. TRANSIENT WAVEFORMS WHEN INPUT STEPS
VIN (1V/div)
Time: 200ms/div
ILIM (1V/div)
OUTPUT IS LOADED WITH A 10Ω RESISTOR
GRADUALLY RISES TO THE INPUT
OVERVOLTAGE THRESHOLD
FROM ZERO TO 9V
OUT (2V/div)
WRN (5V/div)
WRN (5V/div)
4
VIN (2V/div)
OUT (1V/div)
Load Current
(200mA/div)
Time: 500 μ s/div
OUT (2V/div)
Time: 5ms/div
VIN (2V/div)
The test conditions for the Typical Operating Performance are: V
R
ILIM
= 25.5kΩ, R
ISL9212
VB
= 200kΩ, Unless Otherwise Noted.
FIGURE 3. CAPTURED WAVEFORMS WHEN THE INPUT
FIGURE 5. TRANSIENT WHEN THE INPUT VOLTAGE STEPS
FIGURE 7. BATTERY OVERVOLTAGE PROTECTION. THE IC
Time: 20s/div
VOLTAGE STEPS FROM 6.5V TO 10.5V
FROM 7.5V TO 6.5V
IS LATCHED OFF AFTER 16 COUNTS OF
PROTECTION. VB VOLTAGE VARIES BETWEEN
4.3V TO 4.5V
WRN (5V/div)
VIN (2V/div)
WRN (5V/div)
OUT (2V/div)
IN
OUT (1V/div)
WRN (5V/div)
= 5V, T
VIN (2V/div)
Time: 5ms/div
Time: 2μs/div
VIN (1V/div)
OUT (2V/div)
VB (1V/div)
A
= 25°C,
May 8, 2006
FN9280.1