ISL8009AIRZ-TK Intersil, ISL8009AIRZ-TK Datasheet - Page 7

• Manufacturer Part Number: ISL8009AIRZ-TK
• Description: IC REG SYNC BUCK 1.5A 8-DFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL8009AIRZ-TK

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5.5 V
• Current - Output: 1.5A
• Frequency - Switching: 1.6MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Typical Operating Performance
FIGURE 13. OUTPUT VOLTAGE REGULATION vs V
FIGURE 15. STEADY STATE OPERATION AT NO LOAD
FIGURE 17. LOAD TRANSIENT (PWM), 200µs/DIV
-0.5
I
2.0
1.5
1.0
0.5
0.0
L
0.2A/DIV
2.0
2.5
SKIP MODE
(PFM), 1µs/DIV
I
L
1A/DIV
0.75A LOAD
3.0
NO LOAD
INPUT VOLTAGE (V)
1.5A LOAD
3.5
7
4.0
4.5
LX 2V/DIV
V
50mV/DIV
V
20mV/DIV
LX 2V/DIV
OUT
OUT
5.0
RIPPLE
RIPPLE
IN
ISL8009A
5.5
(Unless otherwise noted, operating conditions are: T
V
C
VIN
2
= 20µF, I
= 5V, EN = VIN, RSI = SKIP = 0V, L = 2.2µH, C
FIGURE 14. STEADY STATE OPERATION AT NO LOAD
FIGURE 16. STEADY STATE OPERATION WITH FULL
LX 2V/DIV
LX 2V/DIV
FIGURE 18. LOAD TRANSIENT (PFM), 200µs/DIV
I
I
L
L
0.2A/DIV
0.5A/DIV
OUT
= 0A) (Continued)
(PWM), 1µs/DIV
LOAD, 1µs/DIV
I
L
1A/DIV
November 19, 2009
LX 2V/DIV
V
V
20mV/DIV
V
50mV/DIV
A
OUT
OUT
OUT
20mV/DIV
1
= +25°C,
= 20µF,
RIPPLE
RIPPLE
RIPPLE
FN6656.2