ISL6327IRZ Intersil, ISL6327IRZ Datasheet - Page 3

• Manufacturer Part Number: ISL6327IRZ
• Description: IC CTRLR PWM 6PHASE BUCK 48-QFN
• Manufacturer: Intersil

Specifications of ISL6327IRZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 25%
• Voltage - Supply: 4.75 V ~ 5.25 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN
• Frequency-max: 275kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ISL6327 Block Diagram
IDROOP
VRSEL
COMP
RGND
VSEN
IOUT
VID7
VID6
VID5
VID4
VID3
VID2
VID1
DAC
VID0
OFS
REF
SS
FB
2V
OFFSET
DYNAMIC
+175MV
OVP
D/A
VID
X1
OC2
VDIFF
3
VR_RDY
FAULT LOGIC
SOFT-START
GND
AND
S
E/A
OC1
TM
DRIVE
OVP
OVP
I_TOT
Q
VR_FAN
I_TRIP
MONITORING
R
THERMAL
1
N
ISL6327
VR_HOT
GENERATOR
CLOCK AND
CHANNEL CURRENT
∑
CURRENT LIMIT
BALANCE AND
RAMP
APP AND APA
APP AND APA
APP AND APA
APP AND APA
APP AND APA
APP AND APA
MODULATOR
MODULATOR
MODULATOR
MODULATOR
MODULATOR
MODULATOR
RESET (POR)
POWER-ON
COMPENSATION
TEMPERATURE
COMPENSATION
TEMPERATURE
VCC
TCOMP
CHANNEL
DETECT
GAIN
THREE-STATE
CHANNEL
CURRENT
SENSE
0.875V
0.875V
EN_VTT
EN_PWR
FS
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
ISEN5+
ISEN5-
ISEN6+
ISEN6-
May 5, 2008
FN9276.4