參數(shù)資料
型號(hào): IRU3018
廠商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS LDO CONTROLLER AND 200mA LDO ON-BOARD
中文描述: 5位可編程同步降壓普樂士LDO控制器和200mA LDO的板載
文件頁數(shù): 3/16頁
文件大?。?/td> 148K
代理商: IRU3018
IRU3018
3
Rev. 1.5
07/24/01
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
2.5V Regulator (Vout 2)
Reference Voltage
Reference Voltage
Dropout Voltage
Load Regulation
Line Regulation
Input Bias Current
Output Current
Current Limit
Thermal Shutdown
1.5V Regulator (Vout 3)
Reference Voltage
Reference Voltage
Input Bias Current
Output Drive Current
Power Good Section
Core UV Lower Trip Point
Core UV Upper Trip Point
Core UV Hysterises
Core OV Upper Trip Point
Core OV Lower Trip Point
Core OV Hysterises
Fb2 Lower Trip Point
Fb2 Upper Trip Point
Fb3 Lower Trip Point
Fb3 Upper Trip Point
Power Good Output LO
Power Good Output HI
Fault (Overvoltage) Section
Core OV Upper Trip Point
Core OV Lower Trip Point
Vin2 Upper Trip Point
Vin2 Lower Trip Point
Fault Output HI
Soft-Start Section
Pull-Up Resistor to 5V
Enable Section
En Pin Input LO Voltage Venl
En Pin Input HI Voltage Venh
En Pin Input LO Current
En Pin Input HI Current
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
Vo2
T
A
=25
!
C, Vout2=Fb2
1.260
1.260
V
V
V
%
%
μ
A
mA
mA
!
C
Io=200mA
1mA< Io <200mA
3.1V<Vin2<4V, Vo=2.5V
0.6
0.5
0.2
2
200
300
145
Vo3
T
A
=25
!
C, Gate3=Fb3
1.260
1.260
V
V
μ
A
mA
2
50
Vsen1 Ramping Down
Vsen1 Ramping Up
0.90Vs
0.92Vs
0.02Vs
1.10Vs
1.08Vs
0.02Vs
0.95
1.05
0.95
1.05
V
V
V
V
V
V
V
V
V
V
V
V
Vsen1 Ramping Up
Vsen1 Ramping Down
Fb2 Ramping Down
Fb2 Ramping Up
Fb3 Ramping Down
Fb3 Ramping Up
R
L
=3mA
R
L
=5K, Pull-Up to 5V
0.4
4.8
Vsen1 Ramping Up
Vsen1 Ramping Down
Vin2 Ramping Up
Vin2 Ramping Down
Io=3mA
1.17Vs
1.15Vs
V
V
V
V
V
4.3
4.2
10
OCSet=0V, Phase=5V
23
K
Regulator OFF
Regulator ON 2
Ven=0V to 0.8V
Ven=2V to 5V
0.8 V
V
μ
A
μ
A
0.01
20
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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