参数资料
型号: ISL9441IRZ-T
厂商: Intersil
文件页数: 6/20页
文件大小: 0K
描述: IC REG QD BCK/LINEAR SYNC 32-QFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 6,000
拓扑: 降压(降压)同步(3),线性(LDO)(1)
功能: 任何功能
输出数: 4
频率 - 开关: 300kHz
电压/电流 - 输出 1: 控制器
电压/电流 - 输出 2: 控制器
电压/电流 - 输出 3: 控制器
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 4.5 V ~ 24 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: *
包装: 带卷 (TR)
ISL9440, ISL9440A, ISL9441
Absolute Maximum Ratings
Thermal Information
VCC_5V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Thermal Resistance (Typical)
θ JA ( o C/W)
θ JC ( o C/W)
VCC_5V Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
BOOT/UGATE to PHASE . . . . . . . . . . . . . -0.3V to VCC_5V + 0.3V
PHASE1,2,3 and ISEN1, 2,3, to GND
. . . . . . . . . . . . . . . . . . . . .-5V (<100ns, 10μJ)/-0.3V (DC) to +28V
EN1,EN2, EN3, FB1, FB2, FB3, to GND . . -0.3V to VCC_5V + 0.3V
32 Ld QFN Package (Note 1). . . . . . . . 34 3.5
Maximum Junction Temperature . . . . . . . . . . . . . . .-55°C to +150°C
Maximum Operating Temperature . . . . . . . . . . . . . . .-40°C to +85°C
Maximum Storage Temperature. . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
LDOFB, OCSET1, OCSET2, OCSET3,
LGATE1, LGATE2, LGATE3, to GND. . . -0.3V to VCC_5V + 0.3V
PGOOD, RST, G4 to GND . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
ESD Rating
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2000V
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTE:
1. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
Schematic. V IN = 5.6V to 24V, or VCC_5V = 5V ±10%, C_VCC_5V = 4.7μF, T A = -40°C to +85°C (Note 5),
Typical values are at T A = +25°C, unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
V IN SUPPLY
Input Voltage Range
5.6
12.0
24.0
V
Input Voltage Range
V IN = VCC_5V (Note 6)
4.5
5.0
5.6
V
VCC_5V SUPPLY (Note 2)
Operation Voltage
4.5
5.0
5.6
V
Internal LDO Output Voltage
Maximum Supply Current of Internal LDO
V IN > 5.6V, I L = 60mA
V IN = 12V
4.5
60
5.0
5.5
V
mA
V IN SUPPLY CURRENT
Shutdown Current (Note 3)
Operating Current (Note 4)
EN = EN2 = EN3 = 0, V IN =12V
50
3
100
5
μA
mA
REFERENCE SECTION
Internal Reference Voltage
Across specified temperature range
0.8
V
Reference Voltage Accuracy
Across specified temperature range
-1
+1
%
PWM CONTROLLER ERROR AMPLIFIERS
DC Gain (Note 5)
Gain-BW Product (Note 5)
Slew Rate (Note 5)
PWM REGULATOR
88
15
2.0
dB
MHz
V/μs
Switching Frequency (ISL9440, ISL9441)
Maximum Duty Cycle (ISL9440, ISL9441)
Minimum Duty Cycle (ISL9440, ISL9441)
Switching Frequency (ISL9440A)
Maximum Duty Cycle (ISL9440A)
260
522
300
93
3
600
86
340
678
kHz
%
%
kHz
%
6
FN6383.1
December 5, 2007
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