ISL8120IRZ Intersil, ISL8120IRZ Datasheet - Page 3

• Manufacturer Part Number: ISL8120IRZ
• Description: IC CTRLR PWM 2PHASE W/DVR 32-QFN
• Manufacturer: Intersil

Specifications of ISL8120IRZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 1.5MHz
• Duty Cycle: 90%
• Voltage - Supply: 3 V ~ 22 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: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Frequency-max: 1.5MHz
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
VSEN1+
COMP1
VSEN1-
FB1
VCC
700mV
UNITY GAIN
DIFF AMP1
VMON1
REFERENCE
V
REF
= 0.6V
V
REF
PGOOD
COMP1
OV/UV
COMP1
E/A1
PGOOD
EN/FF1
PGOOD
SOFT-START AND
CHANNEL1
FIGURE 1.
FAULT LOGIC
CHANNEL 1
108µA
OCP
RESET (POR)
POWER-ON
7-CYCLE
DELAY
CORRECTION
CURRENT
VCC
CHANNEL/PHASE 1 (VDDQ)
1.2V
AVERAGE
AVG_OCP
OCP
OTP
I
SHARE
CORRECTION
CURRENT
+
OVER-TEMPERATURE
PROTECTION (OTP)
M/D Control
-
∑
SAW1
I
CSH_ERR
PVCC
ICS1
PWM1
LINEAR REGULATOR
I
5.4V
I
CSH_ERR
AVG_CS
INTERNAL
VIN
CHANNEL 1
CURRENT
SAMPLING
CONTROL
GATE
(BOTTOM PAD) GND
PVCC
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B