参数资料
型号: ISL6271ACRZ
厂商: Intersil
文件页数: 4/16页
文件大小: 0K
描述: IC REG PMIC 1BUCK 2LDO 20QFN
标准包装: 75
应用: 处理器
电流 - 电源: 380µA
电源电压: 2.76 V ~ 5.5 V
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(4x4)
包装: 管件
产品目录页面: 1243 (CN2011-ZH PDF)
ISL6271A
Electrical Specifications
Operating Conditions, Unless Otherwise Noted; T A = -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
Output Tolerance
SYMBOL
Iout = 1mA
TEST CONDITIONS
MIN
-2.5
TYP
MAX
2.5
UNITS
%
Maximum Average Output Current
I_SRAM
I_PLL
50
40
mA
mA
Current Limit
Line Regulation
Load Regulation
Undervoltage Threshold
I ldo_lim
Each LDO regulator
LVCC = 1.7-5.5V
Io = 1 to 25mA
Rising - % of VPLL, VSRAM
120
300
91
0.25
.5
%
(Note 7)
%
%
%
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
Supply Current (LVCC)
EN Voltage
I Q
I LVCC
V IH
V IL
EN = 0V
2.0
2
25
5
0.55
μA
μA
V
V
Soft-Start Source Current
(Controlled by I 2 C control bits D5, D4)
I 00
I 01
I 10
I 11
3.4
6.7
16
30
4.8
9.6
24
47
6.2
12.5
32
64
μA
μA
μA
μA
Temperature Shutdown
POR/BFLT# Threshold (Note 6)
PGOOD Pull Down Resistance
T r
T f
V POR
V POR
R on
Rising T
Falling T
Rising VCC
Falling VCC
130
85
2.60
2.44
140
95
2.80
2.60
700
150
105
3.0
2.76
960
°C
°C
V
V
?
VIDEN, VID2, VID3 Voltage Threshold
V IH(VID)
V IL(VID)
2.4
1.0
V
V
I 2 C LOGIC
SCL, SDA Voltage Threshold
V IH(I 2 C)
V IL(I 2 C)
2.0
0.55
V
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).
4
FN9171.1
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