参数资料
型号: ISL97522IRZ-TK
厂商: Intersil
文件页数: 2/20页
文件大小: 0K
描述: IC SUPPLY CTRL 4CH TFT-LCD 38QFN
标准包装: 1,000
应用: LCD 电视机/监控器
电流 - 电源: 3mA
电源电压: 4.5 V ~ 13.2 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 38-VFQFN 裸露焊盘
供应商设备封装: 38-QFN(5x7)
包装: 带卷 (TR)
ISL97522
Absolute Maximum Ratings (T A = +25°C)
Thermal Information
Maximum Pin Voltages, all pins except below . . . . . . . . . . . . . . 6.5 V
VIN , EN ,ENL, LX,VHIL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25V
Thermal Resistance
38 Ld QFN Package (Notes 1, 2). . . . .
θ JA (°C/W)
33
θ JC (°C/W)
4.5
VDELB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36V
VDRVP, VSINB, SRC, COM, DRN . . . . . . . . . . . . . . . . . . . . . . .36V
VDRVN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20V
Operating Conditions
Input Voltage Range, V IN . . . . . . . . . . . . . . . . . . . . . . . . 4.5V to 13V
Boost Output Voltage Range, A VDD . . . . . . . . . . . . . . +15V to +25V
V ON Output Range, V ON . . . . . . . . . . . . . . . . . . . . . . . +15V to +32V
V OFF Output Range, V ON . . . . . . . . . . . . . . . . . . . . . . . . -15V to -5V
Input Capacitance, C IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2x10μF
Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3μH to 10μH
Output Capacitance, C OUT . . . . . . . . . . . . . . . . . . . . . . . . . . 4x10μF
Buck Inductor, L2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3μH to 10μH
Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C
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. See
Tech Brief TB379.
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are
at the specified temperature and are pulsed tests, therefore: T J = T C = T A
Electrical Specifications
V IN = 5V, A VDD = 15V, V ON = 20V, V OFF = -9V, V LOGIC = 3V, Over Temperature from -40°C to +85°C
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX
UNIT
GENERAL
V IN
I S
Input Voltage
Sum Quiescent Current into Vin
EN = 0, ENL = 0
EN = ENL = 1, switching
4.5
3
15
13.2
V
mA
mA
F OSC
Oscillator Frequency
850
1000
1100
kHz
V REF
Reference Voltage
T A = +25°C
1.192
1.215
1.235
V
1.190
1.215
1.237
V
A VDD
V FBB
Feedback Reference Voltage
T A = +25°C
1.195
1.208
1.221
V
1.193
1.208
1.223
V
V F_FBB
D MIN
D MAX
FBB Fault Trip Point
Minimum Duty Cycle
Maximum Duty Cycle
V FBB falling
0.85
80
0.9
19
86
0.95
25
V
%
%
Eff
I FBB
Boost Efficiency
FBB Input Bias Current
90
25
%
nA
R LINEB
R LOADB
Line Regulation
Load Regulation
C INT = 2.2nF, V IN = 4.5V to12V, I O =100mA
C INT = 2.2nF, V IN = 5V, I AVDD = 100mA to
0.01
0.03
0.25
0.25
%/V
%
350mA
R ONB
Gate Drive on Resistance
Pull-up
Pull-down
3.6
1.9
Ω
Ω
2
FN7445.0
December 13, 2006
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