ISL8540IVEZ Intersil, ISL8540IVEZ Datasheet - Page 10

• Manufacturer Part Number: ISL8540IVEZ
• Description: IC REG 2A DC/DC STEP-DN 20HTSSOP
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL8540IVEZ

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.21 ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 100kHz ~ 600kHz
• Voltage - Input: 9 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Power - Output: 3W
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 24. SOFT-START AT FULL LOAD
FIGURE 22. SOFT-START AT NO LOAD
10
Circuit of Figure 2, V
Typical values are at T
V
V
FIGURE 26. OUTPUT SHORT CIRCUIT
OUT
OUT
IL = 0.5A/DIV
EN = 5V/DIV
SS = 2V/DIV
EN = 5V/DIV
SS = 2V/DIV
IL = 1A/DIV
= 2V/DIV
= 2V/DIV
ISL8540
IN
A
= 24V, EN = 0V, FS = 500KHz, V
= +25°C. (Continued)
PRE-BIASED WITH 4V
FIGURE 23. SOFT-START WITH PRE-BIASED
PGOOD = 5V/DIV
V
FIGURE 25. OUTPUT SHORT CIRCUIT
OUT
LX = 10V/DIV
IL = 2A/DIV
= 2V/DIV
OUT
= 5V, unless otherwise noted.
PGOOD = 5V/DIV
V
V
OUT
September 9, 2008
OUT
IL = 0.5A/DIV
LX = 10V/DIV
EN = 5V/DIV
SS = 2V/DIV
IL = 2A/DIV
= 1V/DIV
= 2V/DIV
FN6495.5