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| 型号： | NCP81081MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/7页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER/MOSFET 40-QFN |
| 标准包装： | 2,500 |
| 类型： | 高端/低端驱动器 |
| 输入类型： | PWM |
| 输出数： | 1 |
| 电流 - 输出 / 通道： | 35A |
| 电源电压： | 4.5 V ~ 25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 供应商设备封装： | 40-QFN（6x6） |
| 包装： | 带卷 (TR) |
NCP81081
Table 1. PIN FUNCTION DESCRIPTION
Pin No.
1
2
3, 8
4
5, 37, FLAG 41
6
7
9 ? 14, FLAG 42
15, 29 ? 35,
FLAG 43
16 ? 28
36
38
39
40
Pin Name
ZCD_EN#
VCIN
NC
BOOT
CGND
GH
PHASE
VIN
VSWH
PGND
GL
THWN
DISB#
PWM
Description
Enable Zero Current Detection
Control Input Voltage
No Connect
Bootstrap Voltage
Control Signal Ground
High Side FET Gate Access
Provides a return path for the high side driver of the internal IC. Place a high frequency ceram-
ic capacitor of 0.1 uF to 1.0 uF from this pin to BOOT pin.
Input Voltage
Switch Node Output
Power Ground
Low Side FET Gate Access
Thermal Warning
Output Disable Pin
PWM Drive Logic
Table 2. ABSOLUTE MAXIMUM RATINGS
Pin Symbol
VCIN
VIN
BOOT
VSWH
ZCD_EN#
PWM
DISB#
THWN
Control Input Voltage
Power Input Voltage
Bootstrap Voltage
Switch Node Output
Zero Current Detection
PWM Drive Logic
Output Disable
Thermal Warning
Pin Name
Min
? 0.3 V
? 0.3 V
? 0.3 V wrt/VSWH
? 0.3 V
? 0.3 V
? 0.3 V
? 0.3 V
? 0.3 V
Max
7V
30 V
35 V wrt/PGND
40 V < 50 ns wrt/PGND
7 V wrt/VSWH
30 V
6.5 V
6.5 V
6.5 V
6.5 V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 3. THERMAL CHARACTERISTICS
Rating
Thermal Resistance, High ? Side FET
Thermal Resistance, Low ? Side FET
Operating Junction Temperature
Storage Temperature
Moisture Sensitivity Level
Symbol
R Q JPCB
R Q JPCB
T J
T S
MSL
Value
13
5
0 to 150
? 55 to 150
3
Unit
° C/W
° C/W
° C
° C
Table 4. OPERATING RANGES
Control Input Voltage
Input Voltage
Rating
Symbol
VCIN
VIN
Min
4.5
4.5
Typ
5
12
Max
5.5
25
Unit
V
V
http://onsemi.com
3
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| NCP81081MNTWG | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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