ISL8540IVEZ Intersil, ISL8540IVEZ Datasheet - Page 6

• 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

VIN 18V TO 40V
PGND
VIN 9V TO 40V
PGND
VIN
150µF
VIN
C9
150µF
C9
1µF
C3
+
1µF
C3
+
0.1µF
0.1µF
C4
C4
6
470pF
470pF
20k
C1
C1
R1
20k
R1
FIGURE 3. TYPICAL SCHEMATIC FOR ISL8540 (12V V
FIGURE 2. TYPICAL SCHEMATIC FOR ISL8540 (5V V
VIN
VIN
LX
LX
BOOT
EN
VCC5
SYNC
RTCT
SGND
VIN
VIN
LX
LX
BOOT
EN
VCC5
SYNC
RTCT
SGND
ISL8540
SS
0.1µF
ISL8540
SS
C5
0.1µF
PGOOD
C5
COMP
PGND
REF
VIN
VIN
LX
LX
FB
ISL8540
PGOOD
COMP
PGND
REF
VIN
VIN
100pF
LX
LX
FB
0.1µF
C10
C1
301k
R4
0.1µF
100pF
C1
C10
C11
1µF
390pF
390k
C6
R4
B260
D1
VCC5
15µH
100k
L1
R5
470µF
820pF
C11
1µF
C8
C6
B260
D1
OUT
51.1k
OUT
+
R2
VCC5
22µH
100k
L1
R5
)
)
470µF
C8
16.2k
R3
OUTPUT
100pF
5.62k
R6
C7
5V
+
51.1k
R2
5.62k
R3
OUTPUT
330pF
5.62k
R6
12V
C7
September 9, 2008
FN6495.5