參數(shù)資料
型號(hào): IRU3055
廠商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE 3-PHASE SYNCHRONOUS BUCK CONTROLLER IC
中文描述: 5位可編程3相位同步降壓控制器IC
文件頁(yè)數(shù): 2/26頁(yè)
文件大?。?/td> 352K
代理商: IRU3055
2
Rev. 1.4
08/13/02
IRU3055
www.irf.com
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over V
CL1
=V
CL23
=V
CH12
=V
CH3
=12V, Vcc=5V and T
A
=0 to
70°C. Typical values refer to T
A
=25°C. Low duty cycle pulse testing is used which keeps junction and case tem-
peratures equal to the ambient temperature.
ABSOLUTE MAXIMUM RATINGS
V
CH12
and V
CH3
Supply Voltage ................................... 30V (not rated for inductor load)
V
CL1
and V
CL23
Supply Voltage ................................... 20V
V
CC
Supply Voltage .................................................. 7V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
PACKAGE INFORMATION
36-PIN WIDE BODY PLASTIC QSOP (Q)
PARAMETER
Supply Current Section
Operating Supply Current
SYM TEST CONDITION
MIN TYP
MAX
UNITS
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
C
L
High Side=3000pF
C
L
Low Side=6000pF
V5
V12 (150KHz frequency)
4.5 < Vcc < 5.5V
0
8
C < temp < 70
8
C
17
30
-1.5
-0.7
2
12.4
19
50
Vs
-0.06
1.4
16.4
21
70
+1.5
+0.7
2
0.4
20.4
mA
%
%
%
V
V
K
θ
JA
=60
8
C/W
4
3
2
1
25
26
27
28
14
7
6
5
22
23
24
13
12
11
10
19
9
20
8
21
18
17
16
15
36
35
34
33
32
31
30
29
Rt
Comp
Fb
SS
CS1
CS2
CS3
Vcc
V
SET
D0
D1
D2
D3
D4
Fault
OCSet
Gnd
SD
PGood
Ref
V
CH3
HDrv3
PGnd3
LDrv3
V
CL23
LDrv2
PGnd2
Gnd
NC
HDrv2
V
CH12
HDrv1
OCGnd
PGnd1
LDrv1
V
CL1
I
CC
I
CLH
V
DAC
L
REG
T
REG
VID
R
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