參數(shù)資料
型號(hào)： ISL6271ACRZ-T
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Integrated XScale Regulator
中文描述： 0.8 A SWITCHING REGULATOR, PQCC20
封裝： 4 X 4 MM, LEAD FREE, PLASTIC, MO-220-VGGD, QFN-20
文件頁數(shù)： 4/16頁
文件大?。?/td> 588K
代理商： ISL6271ACRZ-T
4
FN9171.1
Output Tolerance
Iout = 1mA
-2.5
2.5
%
Maximum Average Output Current
I_SRAM
50
mA
I_PLL
40
mA
Current Limit
I
ldo_lim
Each LDO regulator
120
300
%
(Note 7)
Line Regulation
LVCC = 1.7-5.5V
0.25
%
Load Regulation
Io = 1 to 25mA
.5
%
Undervoltage Threshold
Rising - % of VPLL, VSRAM
91
%
Falling - % of VPLL, VSRAM
86
%
Start-Up Time
tst
Soft-start power up to 1.3V, Csoft = 10nF
1.3
ms
SYSTEM
Supply Current (VCC)
I
Q
I
core
= No load
380
μA
I
Q
EN = 0V
2
5
μA
Supply Current (LVCC)
I
LVCC
25
μA
EN Voltage
V
IH
2.0
V
V
IL
0.55
V
Soft-Start Source Current
(Controlled by I
2
C control bits D5, D4)
I
00
3.4
4.8
6.2
μA
I
01
6.7
9.6
12.5
μA
I
10
16
24
32
μA
I
11
30
47
64
μA
Temperature Shutdown
T
r
Rising T
130
140
150
°C
T
f
Falling T
85
95
105
°C
POR/BFLT# Threshold (Note 6)
V
POR
Rising VCC
2.60
2.80
3.0
V
V
POR
Falling VCC
2.44
2.60
2.76
V
PGOOD Pull Down Resistance
R
on
700
960
VIDEN, VID2, VID3 Voltage Threshold
V
IH(VID)
2.4
V
V
IL(VID)
1.0
V
I
2
C LOGIC
SCL, SDA Voltage Threshold
V
IH(I
2
C)
2.0
V
V
IL(I
2
C)
0.55
V
SDA Pull Down Resistance
R
on(SDA)
132
NOTES:
3. Guaranteed by design; correlated with statistic data for PVCC = VCC from 3.5V to 5.5V.
4. Switching frequency is a function of input, output voltage and load.
5. As a result of an over-current condition exceeding 800mA. Will result in a PGOOD fault.
6. A high rising POR tracks with a high falling POR.
7. Percentage of Maximum Average Output Current (I_SRAM or I_PLL).
Electrical Specifications
Operating Conditions, Unless Otherwise Noted; T
= -25°C to 85°C, PVCC = VCC = 3.7V. Component values
as shown in Figure 19, Typical Application Circuit: Vout = 1.6V, I
OUT
= 0mA
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6271A
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參數(shù)描述
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