參數(shù)資料
型號: IRU3021M
廠商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPLE LDO CONTROLLER
中文描述: 5位可編程同步降壓普樂士三重LDO控制器
文件頁數(shù): 2/8頁
文件大?。?/td> 113K
代理商: IRU3021M
2
Rev. 1.4
07/24/01
IRU3021M
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°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
PACKAGE INFORMATION
28-PIN WIDE BODY PLASTIC SOIC (W)
PARAMETER SYM
Supply UVLO Section
UVLO Threshold-12V
UVLO Hysteresis-12V
UVLO Threshold-5V
UVLO Hysteresis-5V
Supply Current
Operating Supply Current
V5
Switching Controllers; Vcore (Vsen 1) and AGP (Vsen 2)
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
Vsen2 Voltage
TEST CONDITION
MIN
TYP
MAX
UNITS
Supply Ramping Up
10
0.6
4.4
0.3
V
V
V
V
Supply Ramping Up
V12
6
30
mA
0.99Vs
Vs 1.01Vs
0.1
0.5
V
%
%
V
V
0.8
2
27
1.5
3.3
K
V
V
Select<0.8V
Select>2V
Drive2
Fix
VID4
VID3
VID2
VID1
VID0
PGood
SD
Vsen2
Select
SS
Fault / Rt
Vsen4
Drive4
NC
Gnd
Drive3
Vsen3
V5
Fb
Vsen1
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
θ
JA
=80
!
C/W
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