參數(shù)資料
型號(hào): IRU3027CW
廠商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH TRIPLE LDO CONTROLLER
中文描述: 5位可編程同步降壓控制器芯片,三聯(lián)LDO控制器
文件頁數(shù): 2/10頁
文件大?。?/td> 66K
代理商: IRU3027CW
2
Rev. 1.5
07/17/02
IRU3027
www.irf.com
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over V12=12V, V5=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 temperatures equal to the ambient
temperature.
ABSOLUTE MAXIMUM RATINGS
V5 Supply Voltage .................................................... 7V
V12 Supply Voltage .................................................. 20V
Storage Temperature Range ...................................... -65 To 150°C
Operating Junction Temperature Range ..................... 0 To 125°C
PACKAGE INFORMATION
28 PIN WIDE BODY PLASTIC SOIC (W)
θ
JA
=80
8
C/W
Drive2
Fix
VID4
VID3
VID2
VID1
VID0
PGood
SD
V
SEN
2
Select
SS
Fault / Rt
V
SEN
4
Drive4
NC
Gnd
Drive3
V
SEN
3
V5
Fb
V
SEN
1
OCSet
PGnd
LGate
Phase
UGate
V12
4
3
2
1
25
26
27
28
14
7
6
5
15
22
23
24
TOP VIEW
13
16
12
17
11
18
10
19
9
20
8
21
Supply UVLO Section
UVLO Threshold-12V
UVLO Hysteresis-12V
UVLO Threshold-5V
UVLO Hysteresis-5V
Supply Current
Operating Supply Current
VID Section (Vcore only)
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 V5
V
SEN
2 Voltage
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Switching Controllers; Vcore (V
SEN
1) and AGP (V
SEN
2)
Supply Ramping Up
Supply Ramping Up
V12
V5
Select <0.8V
Select >2V
0.99Vs
2
10
0.6
4.4
0.3
6
30
Vs
0.1
0.5
27
1.5
3.3
1.01Vs
0.8
V
V
V
V
mA
V
%
%
V
V
K
V
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