ISL9103 Maxim Integrated Products, ISL9103 Datasheet - Page 5

• Manufacturer Part Number: ISL9103
• Description: 500mA 2.4MHz Low IQ High Efficiency Synchronous Buck Converter
• Manufacturer: Maxim Integrated Products

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Typical Operating Performance
500mA/DIV
20mA/DIV
50mV/DIV
FIGURE 5. OUTPUT VOLTAGE vs LOAD CURRENT
FIGURE 7. SOFT-START TO PWM MODE (V
FIGURE 9. LOAD TRANSIENT IN PFM MODE (V
1V/DIV
5V/DIV
5V/DIV
5V/DIV
2.520
2.515
2.510
2.505
2.500
2.495
0
V
V
(ISL9103, VO_NORMINAL = 2.5V)
V
V
OUT
I
SW
o
OUT
OUT
VIN = 4.0V, RISING
100
= 1.5V, I
= 1.5V, 5mA TO 30mA)
VIN = 4.0V, FALLING
OUT
200
I
5
OUT
= 500mA)
(mA)
300
IN
(Continued)
= 3.6V,
400
IN
= 3.6V,
ISL9103, ISL9103A
V
EN
I
V
L
OUT
SW
500
200mA/DIV
200mA/DIV
20mA/DIV
FIGURE 10. LOAD TRANSIENT IN PFM MODE (V
50mV/DIV
FIGURE 6. SOFT-START TO PFM MODE (V
FIGURE 8. SOFT-START TO PFM MODE (V
2V/DIV
5V/DIV
5V/DIV
1V/DIV
5V/DIV
5V/DIV
5V/DIV
V
V
V
V
V
I
OUT
OUT
OUT
SW
OUT
o
= 1.5V, I
= 2.5V, I
= 1.5V, 30mA TO 5mA)
OUT
OUT
= 0.001mA)
= 0.001mA)
IN
IN
= 3.6V,
= 3.6V,
IN
= 3.6V,
June 26, 2009
V
V
I
EN
EN
V
I
V
L
L
FN6828.1
OUT
OUT
SW
SW