ISL6326BIRZ-T Intersil, ISL6326BIRZ-T Datasheet - Page 3

• Manufacturer Part Number: ISL6326BIRZ-T
• Description: IC CTRLR PWM 4PHASE BUCK 40-QFN
• Manufacturer: Intersil

Specifications of ISL6326BIRZ-T

• 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: 40-VFQFN, 40-VFQFPN
• Frequency-max: 275kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ISL6326BCR Block Diagram
VR_HOT
VR_FAN
VRSEL
RGND
COMP
VSEN
IOUT
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
DAC
OFS
REF
SS
FB
2.0V
OFFSET
+
+
-
-
+175m V
THERMAL
MONITOR
OVP
X1
Dynam ic
-
+
O CP
TM
VID
D/A
VDIFF
3
FAULT LOGIC
SOFTSTART
COMPENSATION
AND
TEMPERATURE
VR_RDY
GAIN ADJUST
+
-
TCOMP
E/A
OCP
+
-
RAMP GENERATOR
I_TRIP
CLOCK AND
N
1
FS
ISL6326B
Σ
CURRENT LIMIT
N
APP and APA
MODULATOR
APP and APA
MODULATOR
APP and APA
MODULATOR
APP and APA
MODULATOR
AND PEAK
CHANNEL
CURRENT
BALANCE
RESET (POR)
POW ER-ON
COMPENSATION
TEMPERATURE
GND
CHANNEL
CURRENT
SENSE
N
CHANNEL
DETECT
+
+
-
-
0.875
0.875
EN_PW R
EN_VTT
PW M1
PW M2
PW M3
PW M4
April 21, 2006
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
FN9286.0