isl9209c Intersil Corporation, isl9209c Datasheet - Page 4

• Manufacturer Part Number: isl9209c
• 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
TIME: 500ms/DIV
VIN (1V/div)
Time: 500ms/div
VIN (1V/DIV)
ILIM (1V/DIV)
ILIM (1V/div)
OUTPUT IS LOADED WITH A 10Ω RESISTOR
GRADUALLY RISES TO THE INPUT
OVERVOLTAGE THRESHOLD
FROM 0V TO 9V
OUT (2V/div)
OUT (2V/DIV)
WRN (5V/div)
WRN (5V/DIV)
WRN (5V/div)
WRN (5V/DIV)
4
VIN (2V/DIV)
VIN (2V/div)
OUT (1V/div)
OUT (1V/DIV)
Load Current
(200mA/div)
LOAD CURRENT
TIME: 500µs/DIV
Time: 500μs/div
200mA/DIV
OUT (2V/div)
OUT (2V/DIV)
TIME: 5ms/DIV
Time: 5ms/div
VIN (2V/div)
VIN (2V/DIV)
The test conditions for the Typical Operating Performance are: V
R
ILIM
= 25.5kΩ, R
ISL9209C
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
Time: 20s/div
VOLTAGE STEPS FROM 5.5V TO 9.5V
FROM 6.5V TO 5.5V
IS LATCHED OFF AFTER 16 COUNTS OF
PROTECTION. VB VOLTAGE VARIES BETWEEN
4.3V TO 4.5V
VIN (2V/DIV)
VIN (2V/div)
WRN (5V/DIV)
WRN (5V/div)
WRN (5V/div)
WRN (5V/DIV)
OUT (2V/DIV)
OUT (2V/div)
OUT (2V/div)
OUT (2V/DIV)
IN
OUT (1V/div)
OUT (1V/DIV)
WRN (5V/div)
= 5V, T
WRN (5V/DIV)
VIN (2V/DIV)
VIN (2V/div)
TIME: 5µs/DIV
Time: 5ms/div
Time: 5μs/div
TIME: 5ms/DIV
VIN (1V/div)
VIN (1V/DIV)
VB (1V/DIV)
VB (1V/div)
A
= +25°C,
May 21, 2007
FN6489.0