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参数资料
| 型号： | ISL97645IRZ-TK |
| 厂商： | Intersil |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST VON VCOM 24-QFN |
| 标准包装： | 1,000 |
| 应用： | LCD 监视器，笔记本电脑显示器 |
| 电流 - 电源： | 1mA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
ISL97645A
Absolute Maximum Ratings
Thermal Information
Lx to GND, AGND and PGND . . . . . . . . . . . . . . . . . . . . -0.5 to +25V
Thermal Resistance
θ JA (°C/W)
θ JC (°C/W)
VDD2, OUT, NEG and POS
to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +25V
VDD1, VGH and VGH_M
to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +32V
Differential Voltage Between POS and NEG . . . . . . . . . . . . . . . ±6V
Voltage Between GND, AGND and PGND . . . . . . . . . . . . . . . ±0.5V
All Other Pins to GND, AGND and PGND . . . . . . . . . . -0.5 to +6.5V
Input, Output, or I/O Voltage . . . . . . . . . . . GND -0.3V to VIN + 0.3V
Recommended Operating Conditions
4x4 QFN Package (Notes 4, 5) . . . . . . 39 2.5
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Maximum Continuous Junction Temperature . . . . . . . . . . . +125°C
Power Dissipation
T A ≤ +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.44W
T A = +70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.34W
T A = +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.98W
T A = +100°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.61W
Pb-Free Reflow Profile see link below
Input Voltage Range, VS . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Boost Output Voltage Range, AV DD . . . . . . . . . . . . . . . . . . 8V to 20V
Input Capacitance, C IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22μF
Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3μH to 10μH
Output Capacitance, C OUT . . . . . . . . . . . . . . . . . . . . . . . .2μF x 22μF
Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C
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.
NOTES:
4. 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.
5. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
V IN = ENABLE = 5V, V DD1 = V DD2 = 14V, V GH = 25V, AV DD = 10V, T A = -40°C to +85°C
Unless Otherwise Noted. Boldface limits apply over the operating temperature range,
-40°C to +85°C.
MIN
MAX
SYMBOL
PARAMETER
TEST CONDITION
(Note 6)
TYP
(Note 6)
UNIT
GENERAL
V S
I S_DIS
I S
V IN Input Voltage Range
V IN Supply Currents when Disabled
V IN Supply Currents
ENABLE = 0V
ENABLE = 5V, LX not switching
2.7
3.3
1
1
5.5
3.5
V
μA
mA
UVLO
OT R
Under Voltage Lockout Threshold
Thermal Shutdown Temperature
V IN2 Rising
V IN2 Falling
Temperature Rising
2.3
2.2
2.45
2.35
140
2.6
2.5
V
V
°C
OT F
Temperature Falling
100
°C
LOGIC INPUT CHARACTERISTICS - ENABLE, VFLK, FREQ, VDPM
V IL
V IH
Low Voltage Threshold
High Voltage Threshold
2.2
0.8
V
V
R IL
Pull-Down Resistor
Enabled, Input at V IN
150
250
400
k Ω
STEP-UP SWITCHING REGULATOR
A VDD
Output Voltage Range
V IN *1.25
20
V
Δ VBOOST/ Δ IOUT Load Regulation
50mA < I LOAD < 250mA
0.2
%
Δ VBOOST/ Δ VIN
ACC AVDD
Line Regulation
Overall Accuracy (Line, Load,
I LOAD = 150mA, 3.0 < V IN < 5.5V
10mA < I LOAD < 300mA,
-3
0.15
0.25
3
%
%
Temperature)
3.0 < V IN < 5.5V, 0°C < T A < +85°C
V FB
Feedback Voltage (V FB )
I LOAD = 100mA, T A = +25°C
I LOAD = 100mA, T A = -40°C to +85°C
1.20
1.19
1.21
1.21
1.22
1.23
V
V
3
FN6353.1
October 21, 2010
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