IR3094PBF Datasheet, PDF (1/29 Pages) International Rectifier – 3 PHASE PWM CONTROLLER FOR POINT OF LOAD

Data Sheet No. PD 94716
IR3094PBF
3 PHASE PWM CONTROLLER FOR POINT OF LOAD
DESCRIPTION
The IR3094 Control IC provides a full featured, cost effective, single chip solution to offers a compact,
efficient solution for high current POL converters. Control and 3 Phase Gate Drive functions are integrated
into a single space-saving IC.
FEATURES
x 0.85V Reference Voltage
x 3A GATELX Pull Down Drive Capability
x Programmable 100KHz to 540KHz oscillator
x Programmable Voltage Positioning (can be disabled)
x Programmable Softstart
x Programmable Hiccup Over-Current Protection with Delay to prevent false triggering
x Simplified Powergood provides indication of proper operation and avoids false triggering
x Operates up to 16V converter input with 7.5V Under-Voltage Lockout
x 4.36V Under-Voltage Lockout threshold for gate driver voltage
x Adjustable Voltage, 150mA Bias Regulator provides MOSFET Drive Voltage
x Enable Input
x OVP Flag Output detects high side fet short at powerup
x Separate OVP sense line to sense the output voltage and latched OVP with protection
x Inductor DCR sensing for current sensing will support up to 5.1V output applications
x Available 48L MLPQ package
ORDERING INFORMATION
Device
IR3094MTRPBF
IR3094MPBF
Order Quantity
3000 per Reel
100 piece strips
PACKAGE INFORMATION
NC
NC
ROSC
VOSNS-
OCSET
VREF
VDRP
FB
EAOUT
SS/DEL
SCOMP2
SCOMP3
IR3094
48LD MLPQ
GATEH1
PGND1
GATEL1
VCCL1_2
5VUVL
GATEL2
PGND2
GATEH2
VCCH2
VCCH3
GATEH3
PGND3
48L MLPQ
(7 x 7 mm Body)
JA ^{= 27oC/W}
Page 1 of 29
09/26/05