ISL6540ACRZ Intersil, ISL6540ACRZ Datasheet - Page 2

• 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

Block Diagram
MAR_CTRL
REFOUT
VSEN+
VSEN-
REFIN
COMP
OFS+
OFS-
FB
SS
UNITY GAIN
DIFF AMP
VCC
1.8V
G = 1
MARGINING
VOLTAGE
VMON
PGOOD
COMP
PG_DLY
OTA
V
REFERENCE
REF
= 0.591 V
PG
OV/UV
COMP
EA
100μA
LSOC
EN
FAULT LOGIC
SOFT-START
SOURCE
OCP
RESET (POR)
AND
POWER-ON
SINKING OCP
VCC
VFF
OSCILLATOR
PWM
COMP
FS
INTERNAL SERIES
G = -1
LINEAR
VIN
SOURCE OCP
CONTROL
LOGIC
EXTERNAL SERIES
GATE
LINEAR DRIVER
LIN_DRV
100µA
BOOT
UGATE
PHASE
LGATE
PGND
HSOC
GND
GND
PVCC