iru3055 International Rectifier Corp., iru3055 Datasheet - Page 2

• Manufacturer Part Number: iru3055
• Description: 5-bit Programmable 3-phase Synchronous Buck Controller Ic -
• Manufacturer: International Rectifier Corp.

IRU3055
ABSOLUTE MAXIMUM RATINGS
V
V
V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over V
70°C. Typical values refer to T
peratures equal to the ambient temperature.
PARAMETER
Supply Current Section
Operating Supply Current
VID Section
DAC Output Voltage (Note 1)
DAC Output Line Regulation
DAC Output Temp Variation
VID Input LO
VID Input HI
VID Input Internal Pull-Up
Resistor to 3.3V
2
CH12
CL1
CC
36-PIN WIDE BODY PLASTIC QSOP (Q)
Supply Voltage .................................................. 7V
and V
and V
OCSet
Comp
Fault
CS1
CS2
CS3
V
Gnd
Vcc
SS
SD
SET
D0
D1
D2
D3
D4
Fb
Rt
CL23
10
11
12
13
14
15
16
17
18
CH3
1
2
3
4
5
6
7
8
9
Supply Voltage ...................................
Supply Voltage ...................................
u
JA
=608C/W
A
=25°C. Low duty cycle pulse testing is used which keeps junction and case tem-
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
V
LDrv1
PGnd1
OCGnd
HDrv1
V
HDrv2
NC
Gnd
PGnd2
LDrv2
V
LDrv3
PGnd3
HDrv3
V
Ref
PGood
CL1
CH12
CL23
CH3
SYM
V
VID
L
T
I
I
CLH
REG
REG
CC
DAC
R
C
C
V5
V12 (150KHz frequency)
4.5 < Vcc < 5.5V
08C < temp < 708C
L
L
TEST CONDITION
High Side=3000pF
Low Side=6000pF
www.irf.com
0°C To 125°C
30V (not rated for inductor load)
20V
CL1
=V
CL23
=V
12.4
-1.5
-0.7
MIN
17
30
CH12
2
=V
CH3
-0.06
=12V, Vcc=5V and T
TYP
16.4
1.4
Vs
19
50
MAX
+1.5
+0.7
20.4
0.4
21
70
2
UNITS
08/13/02
mA
Rev. 1.4
KV
A
%
%
%
V
V
=0 to