ISL6333IRZ Intersil, ISL6333IRZ Datasheet - Page 8

• Manufacturer Part Number: ISL6333IRZ
• Description: IC CTRLR PWM 3PHASE BUCK 48-QFN
• Manufacturer: Intersil

Specifications of ISL6333IRZ

• Applications: Controller, Intel VR11
• Voltage - Input: 5 ~ 12 V
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 1.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VQFN
• Number Of Pwm Outputs: 3
• On/off Pin: Yes
• Adjustable Output: Yes
• Topology: Buck
• Switching Freq: 80 TO 1000kHz
• Operating Supply Voltage (max): 5.25V
• Output Current: 100000A
• Output Voltage: 0.5 to 1.6V
• Synchronous Pin: No
• Rise Time: 26ns
• Fall Time: 18ns
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: QFN EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram - ISL6333B
COMP
RGND
VDIFF
VSEN
IMON
VID1
VID7
VID6
VID5
VID4
VID3
VID2
VID0
REF
OFS
DVC
APA
FB
FS
OFFSET
DYNAMIC
x2
UNDERVOLTAGE
D/A
VID
OVERVOLTAGE
I_TRIP
DETECTION
I_AVG
DETECTION
x1
LOGIC
LOGIC
V
OCP
LINE PREVENTION
OPEN SENSE
OCP
8
1kΩ
OCP
RGND
ISL6333, ISL6333A, ISL6333B, ISL6333C
ISL6333, ISL6333A, ISL6333B, ISL6333C
I_AVG
E/A
OCP
VR_RDY
ADAPTIVE PHASE
FAULT LOGIC
SOFT-START
ALLIGNMENT
MODULATOR
GENERATOR
CLOCK AND
WAVEFORM
CIRCUITRY
AND
SS
CHANNEL
CURRENT
BALANCE
CURRENT
APP AND APA
APP AND APA
APP AND APA
MODULATOR
MODULATOR
MODULATOR
LIMIT
AND
I_AVG
GND
+
PWM1
PWM2
PWM3
+
LOW POWER
∑
1
N
CIRCUITRY
+
STATE
0.85V
EN
SS
POWER-ON
RESET
CURRENT
CURRENT
CURRENT
SENSE
SENSE
SENSE
CHANNEL
CH3
CH2
CH1
DETECT
MOSFET
MOSFET
MOSFET
DRIVER
DRIVER
DRIVER
LDO
R
R
R
ISEN1
ISEN3
ISEN2
October 8, 2010
CPURST_N
PVCC1
PVCC2_3
PUVCC
BYP1
PSI#
VCC
BOOT1
UGATE1
PHASE1
LGATE1
BOOT2
UGATE2
PHASE2
LGATE2
BOOT3
UGATE3
PHASE3
LGATE3
ISEN3-
ISEN3+
ISEN2-
ISEN2+
RSET
ISEN1+
ISEN1-
FN6520.3