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| 型号： | ISL6441IR-T |
| 厂商： | Intersil |
| 文件页数： | 7/18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
ISEN and CURRENT LIMIT
Full Scale Input Current (Note 9)
-
32
-
μA
Overcurrent Threshold (Note 9)
OCSET (Current Limit) Voltage
R OCSET = 110k Ω
-
-
64
1.75
-
-
μA
V
SOFT-START
Soft-Start Current
-
5
-
μA
PROTECTION
Thermal Shutdown
Rising
Hysteresis
-
-
150
20
-
-
°C
°C
NOTES:
3. In normal operation, where the device is supplied with voltage on the V IN pin, the VCC_5V pin provides a 5V output capable of 60mA (min).
When the VCC_5V pin is used as a 5V supply input, the internal LDO regulator is disabled and the V IN input pin must be connected to the
VCC_5V pin. (Refer to the “Pin Descriptions” on page 10 for more details.)
4. This is the total shutdown current with VIN = VCC_5V = PVCC = 5V.
5. Operating current is the supply current consumed when the device is active but not switching. It does not include gate drive current.
6. The peak-to-peak sawtooth amplitude is production tested at 12V only
7. Limits should be considered typical and are not production tested.
8. Limits established by characterization and are not production tested.
9. Established by characterization. The full scale current of 32μA is recommended for optimum current sample and hold operation. See the
“Feedback Loop Compensation” on page 13.
7
FN9197.3
May 26, 2009
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| ISL6441IRZS2695 | 制造商:Intersil Corporation 功能描述: |
| ISL6441IRZ-T | 功能描述:IC CTRLR PWM DUAL 1.4MHZ 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
| ISL6441IRZ-TK | 功能描述:IC CTRLR PWM 1.4MHZ DUAL 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
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