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参数资料
| 型号： | ISL6271ACR |
| 厂商： | Intersil |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG PMIC 1BUCK 2LDO 20-QFN |
| 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 |
ISL6271A
Absolute Maximum Ratings
(PVCC, VCC, LVCC) to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . .7V
PHASE to PGND . . . . . . . . . . . . . . . . . . . . . .-0.3V to (PVCC +0.3V)
PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
All other pins to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
ESD Rating
Thermal Information
Thermal Resistance. . . . . . . . . . . . . . . . . θ JA (°C/W) θ JC (°C/W)
4x4 QFN Package (Notes 1, 2) . . . . 45 7.5
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
Human Body Model (Per MIL-STD-883 Method 3015.7) . . . . .2kV
Recommended Operating Conditions
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . .-25°C to 85°C
Supply Voltage (PVCC, VCC) . . . . . . . . . . . . . . . . . . . . 2.76 to 5.5V
Supply Voltage (LVCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 - 5.5V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features (TB379).
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
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
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
CORE BUCK REGULATOR
Input Voltage Range
(After V CC reaches Rising V POR )
Output Voltage Nominal Range
Max. DC Output Current
Current Limit (DC plus Ripple)
PMOS on Resistance
NMOS on Resistance
Frequency (Note 4)
Load Regulation
Line Regulation
VOUT Pk-Pk Ripple
PV CC
VOUT
Icore
Icore_lim
r DS(ON)p
r DS(ON)n
f
V P-P
PV CC = V CC
Programmable in 50mV increments
(Note 3)
(wafer level test only)
Iout = 200mA
Iout = 200mA
Vin = 3.7V, Vo = 1.0V, VF6 = 0.9V
VOUT = 1.6V; Io = 1mA-500mA
Over VCC range
Vout = 1.6V, I = 0.4A, CCM
2.76
0.85
800
950
1300
275
140
1.2
.05
1
5
5.5
1.60
1
V
V
mA
mA
m ?
m ?
MHz
%
%
mV
Discontinous Mode Operation
10
mV
System Accuracy
Under Voltage Threshold (Note 5)
Over Voltage threshold
Over Temperature
Room Temperature
Rising, as % of nominal VOUT
Falling, as % of nominal VOUT
Rising, as % of nominal VOUT
Falling, as % of nominal VOUT
-1
-1
94
86
114
106
2
1
%
%
%
%
%
%
Start-up Time
t st
From Enable Active @ Io = 10mA; Vo = 1.6V
1.3
ms
Ring Damping Switch Resistance
R on(RD)
50
75
?
LINEAR REGULATORS
Input Voltage
Output Voltage
LVCC
VSRAM
Connected to PVCC
Not connected to PVCC
2.76
1.70
1.1
5.5
3.5
V
V
V
3
VPLL
1.3
V
FN9171.1
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