ISL6412_07 Datasheet, PDF (6/10 Pages) Intersil Corporation – Triple Output, Low-Noise LDO Regulator with Integrated Reset Circuit

ISL6412
Typical Performance Curves
The test conditions for the Typical Operating Performance are: V_IN = 3.3V, T_A = +25°C,
Unless Otherwise Noted (Continued)
SHDN
2V/DIV
VOUT1
2V/DIV
RESET
2V/DIV
FAULT
2V/DIV
20ms/DIV
FIGURE 3. SHUTDOWN, FAULT, and RESET OPERATION
VOUT1
50mV/DIV
IOUT1
200mA/DIV
1ms/DIV
FIGURE 4. LDO1 TRANSIENT RESPONSE (10mA to 330mA)
VOUT2
100mV/DIV
VOUT3
100mV/DIV
IOUT2
100mA/DIV
1ms/DIV
FIGURE 5. LDO2 TRANSIENT RESPONSE (10mA to 200mA)
VIN
0.5V/DIV
RESET
0.5V/DIV
CT
0.5V/DIV
20ms/DIV
FIGURE 7. RESET DELAY DURING START-UP (CT = 0.01µF)
6
IOUT3
50mA/DIV
1ms/DIV
FIGURE 6. LDO3 TRANSIENT RESPONSE (10mA to 100mA)
VIN
0.5V/DIV
RESET
0.5V/DIV
CT
0.5V/DIV
100ms/DIV
FIGURE 8. RESET DELAY DURING START-UP (CT = 0.1µF)
FN9067.1
March 20, 2007