參數(shù)資料
型號(hào): IRU3021MCW
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(lè)士三重LDO控制器
文件頁(yè)數(shù): 3/8頁(yè)
文件大?。?/td> 113K
代理商: IRU3021MCW
IRU3021M
3
Rev. 1.4
07/24/01
Error Comparator Section
Input Bias Current
Input Offset Voltage
Delay to Output
Current Limit Section
CS Threshold Set Current
CS Comp Offset Voltage
Hiccup Duty Cycle
Output Drivers Section
Rise Time
Fall Time
Dead Band Time Between
High Side and Synch Drive
(Vcore Switcher Only)
Oscillator Section (Internal)
Osc Frequency
1.8V Regulator (Vsen 4)
Vsense Voltage
Vsense Voltage
Input Bias Current
Output Drive Current
1.5V Regulator (Vsen3)
Vsense Voltage
Vsense Voltage
Input Bias Current
Output Drive Current
Power-Good Section
Vsen1 UV Lower Trip Point
Vsen1 UV Upper Trip Point
Vsen1 UV Hysteresis
Vsen1 HV Upper Trip Point
Vsen1 HV Lower Trip Point
Vsen1 HV Hysterises
Vsen2 Trip Point
2
+2
100
μ
A
mV
ns
-2
Vdiff=10mV
200
μ
A
mV
%
-5
+5
Css=0.1
μ
F
10
C
L
=3000pF
C
L
=3000pF
70
70
ns
ns
C
L
=3000pF
200
ns
Rt=Open
217
KHz
Vo4
T
A
=25
!
C, Drive4=Vsen4
1.800
1.800
V
V
μ
A
mA
2
Vaux - Vdrive>0.6V
50
Vo3
T
A
=25
!
C, Drive3=Vsen3
1.500
1.500
V
V
μ
A
mA
2
Vaux - Vdrive>0.6V
50
Vsen1 Ramping Down
Vsen1 Ramping Up
0.90Vs
0.92Vs
0.02Vs
1.10Vs
1.08Vs
0.02Vs
1.100
2.560
0.920
1.320
0.920
1.140
0.4
4.8
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Vsen1 Ramping Up
Vsen1 Ramping Down
Select<0.8V
Select>2V
Fix=Gnd
Fix=Open
Fix=Gnd
Fix=Open
R
L
=3mA
R
L
=5K, Pull-Up to 5V
Vsen4 Trip Point
Vsen3 Trip Point
Power Good Output LO
Power Good Output HI
Fault (Overvoltage) Section
Core OV Upper Trip Point
Core OV Lower Trip Point
FAULT Output HI
Soft-Start Section
Soft-Start Current
Vsen1 Ramping Up
Vsen1 Ramping Down
Io=3mA
1.17Vs
1.15Vs
V
V
V
10
OCSet=0V, Phase=5V
20
μ
A
PARAMETER SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Note 1:
Vs refers to the set point voltage given in Table 1.
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