ISL9187 Intersil Corporation, ISL9187 Datasheet - Page 5

• Manufacturer Part Number: ISL9187
• Description: (ISL9107 / ISL9108) 1.5A 1.6MHz Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

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Typical Operating Performance
100mV/DIV
200mA/DIV
50mV/DIV
FIGURE 10. LOAD TRANSIENT TEST (MODE = V
5V/DIV
1V/DIV
1A/DIV
5V/DIV
FIGURE 6. SOFT-START (V
FIGURE 8. STEADY-STATE IN SKIP MODE (V
5V/DIV
1A/DIV
5V/DIV
I
V
V
OUT
OUT
O
= 1.6V; I
= 1.5A)
= 1.6V, I
V
V
EN
OUT
I
SW
L
O
= 0.01A~1A)
OUT
V
V
IN
200µs/DIV
OUT
OUT
5
= 4.2V, V
= 35mA)
2µs/DIV
100µs/DIV
(AC COUPLED)
(AC COUPLED)
V
SW
I
L
V
SW
I
L
OUT
= 1.6V,
(Continued)
IN
= 5.0V,
IN
= 5.0V;
ISL9107, ISL9108
100mV/DIV
500mA/DIV
20mV/DIV
FIGURE 11. LOAD TRANSIENT TEST (MODE = GND,
FIGURE 7. SOFT-START (V
FIGURE 9. STEADY-STATE IN PWM MODE (V
1A/DIV
5V/DIV
1A/DIV
5V/DIV
1V/DIV
5V/DIV
5V/DIV
I
V
V
OUT
V
OUT
IN
SW
= 5.0V; V
V
= 1mA)
V
= 1.6V, I
OUT
EN
SW
I
L
O
OUT
V
= 1.6V; I
OUT
IN
= 4.2V, V
200µs/DIV
= 1.5A)
100µs/DIV
V
(AC COUPLED)
OUT
1µs/DIV
V
V
O
SW
SW
I
L
(AC COUPLED)
= 0.01A~1A)
OUT
I
L
= 1.6V,
IN
December 21, 2007
= 5.0V,
FN6612.0