参数资料
型号: ISL6441IR-T
厂商: Intersil
文件页数: 6/18页
文件大小: 0K
描述: IC CTRLR PWM DUAL 1.4MHZ 28-QFN
标准包装: 6,000
应用: 电源
电流 - 电源: 2mA
电源电压: 5.6 V ~ 24 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
ISL6441
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Block Diagram” on page 3 and “Typical
Application Schematic” on page 4. V IN = 5.6V to 24V, or VCC_5V = 5V ±10%, T A = -40°C to +85°C, Typical
values are at T A = +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SHUTDOWN1/SHUTDOWN2
HIGH Level (Converter Enabled)
LOW Level (Converter Disabled)
Internal Pull-up (3μA)
2.0
-
-
-
-
0.8
V
V
PWM CONVERTERS
Output Voltage
FB Pin Bias Current
-
-
0.8
-
-
150
V
nA
Maximum Duty Cycle
PWM1, C OUT = 1000p, T A = +25°C
PWM2, C OUT = 1000pF,
71
73
-
-
-
-
%
%
T A = +25°C
Minimum Duty Cycle
-
4
-
%
PWM CONTROLLER ERROR AMPLIFIERS
DC Gain (Note 7)
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 7)
Maximum Output Voltage (Note 7)
Minimum Output Voltage (Note 7)
80
5.9
-
0.9
-
88
-
2.0
-
-
-
-
-
-
3.6
dB
MHz
V/μs
V
V
PWM CONTROLLER GATE DRIVERS (Note 8)
Sink/Source Current
-
400
-
mA
Upper Drive Pull-Up Resistance
Upper Drive Pull-Down Resistance
Lower Drive Pull-Up Resistance
Lower Drive Pull-Down Resistance
Rise Time
Fall Time
VCC_5V = 4.5V
VCC_5V = 4.5V
VCC_5V = 4.5V
VCC_5V = 4.5V
C OUT = 1000pF
C OUT = 1000pF
-
-
-
-
-
-
8
3.2
8
1.8
18
18
-
-
-
-
-
-
Ω
Ω
Ω
Ω
ns
ns
LINEAR CONTROLLER
Drive Sink Current
50
-
-
mA
FB3 Feedback Threshold
Undervoltage Threshold
FB3 Input Leakage Current
Amplifier Transconductance
I = 21mA
V FB
V FB = 0.8V, I = 21mA
-
-
-
-
0.8
75
45
2
-
-
150
-
V
%
nA
A/V
POWER GOOD AND CONTROL FUNCTIONS
PGOOD LOW Level Voltage
PGOOD Leakage Current
PGOOD Upper Threshold, PWM 1 and 2
PGOOD Lower Threshold, PWM 1 and 2
PGOOD for Linear Controller
Pull-up = 100k Ω
Fraction of set point
Fraction of set point
-
-
105
80
70
0.1
-
-
-
75
0.5
±1.0
120
95
80
V
μA
%
%
%
6
FN9197.3
May 26, 2009
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