ISL6540ACRZ Intersil, ISL6540ACRZ Datasheet - Page 5

• Manufacturer Part Number: ISL6540ACRZ
• Description: IC CTLR PWM BUCK 1PHASE 28-QFN
• Manufacturer: Intersil

Specifications of ISL6540ACRZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 2MHz
• Duty Cycle: 100%
• Voltage - Supply: 2.97 V ~ 22 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Frequency-max: 2MHz
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: Yes
• Topology: Buck
• Switching Freq: 250 TO 2000kHz
• Operating Supply Voltage (max): 5.5V
• Output Current: 4A
• Output Voltage: 0.6 to 20V
• Synchronous Pin: No
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: QFN EP
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Application III (Dual Data Rate I or II)
15nF
1k
1.8V or 2.5V
ENABLE
VDDQ
R
1k
1kΩ
R
EN1
EN2
C
R
R
PG_DLY
OFS+
OFS-
R
DIMM
R
FS
C
MARG
C
SS
C
VFF
F4
MARCTRL
REFOUT
PG_DLY
REFIN
OFS+
OFS-
VFF
5V
R
PG
EN
SS
5
FS
VFF
VIN
*
LINDRV
C
F1
ISL6540A
GND
VCC
*
R
CC
GND
ISL6540A
PVCC
L
IN
BOOT
HSOC
UGATE
PHASE
LGATE
PGND
LSOC
COMP
FB
VMON
VSEN+
VSEN-
C
1
C
C
F2
R
LSOC
Z
C
D
LSOC
R
FB
BOOT
HSOC
HSOC
R
C
2
2
C
Q1
Q2
HFIN
C
SEN
C
3
C
BOOT
R
1
L
OUT
R
C
Z
FB
BIN
C
R
IN
HFOUT
3
*
Note: R
CC
*C
C
F1
BOUT
V
1.25V
0.9V
0.9V
<10µs
TT
October 7, 2008
(DDR I)
(DDR II)
FN6288.5