ISL85033IRTZ-T7A Intersil, ISL85033IRTZ-T7A Datasheet - Page 5

• Manufacturer Part Number: ISL85033IRTZ-T7A
• Description: IC REG BUCK ADJ DUAL 28TQFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL85033IRTZ-T7A

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 V ~ 28 V
• Current - Output: 3A
• Frequency - Switching: 300kHz ~ 2MHz
• Voltage - Input: 4.5 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL85033IRTZ-T7ATR

Functional Block Diagram
EN2
EN1
VCC
SS2
SS1
VIN1
VCC
VCC
LDO
SOFT-START
CONTROL
SOFT-START
5MΩ
5MΩ
CONTROL
V
VIN1
CC
= 5V
5
POWER-ON
MONITOR
VOLTAGE
MONITOR
MONITOR
MONITOR
MONITOR
VOLTAGE
FAULT
FAULT
RESET
+
-
+
-
CSA2
CSA1
-10%
-10%
THERMAL
MONITOR
+150°C
REFERENCE
REFERENCE
SLOPE COMP
SLOPE COMP
0.8V
0.8V
ISL85033
ISL85033
+
+
-
-
EA
EA
EPAD GND
CSA2
CSA1
+
+
+
-
+
-
COMP2
COMP1
OSCILLATOR
DRIVE
DRIVE
GATE
GATE
CSA2
CSA1
CONTROL
REFRESH
CONTROL
REFRESH
DETECTION
DETECTION
BOOT
BOOT
BOOT UV
BOOT UV
VIN2
PHASE2
PGND2
SYNCOUT
FS
SYNCIN
VIN1
PHASE1
PGND1
December 8, 2010
FN6676.2