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参数资料
| 型号： | NCP1589AMNTXG |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 10-DFN |
| 标准包装： | 3,000 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 330kHz |
| 占空比： | 80% |
| 电源电压： | 4.5 V ~ 13.2 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
NCP1589A, NCP1589B
PIN FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
9
10
Symbol
BOOT
LX
UG
LG
GND
VCC
COMP/EN
FB
VOS
PGOOD
Description
Supply rail for the floating top gate driver. To form a boost circuit, use an external diode to bring the desired
input voltage to this pin (cathode connected to BOOT pin). Connect a capacitor (C BOOT ) between this pin and
the LX pin. Typical values for C BOOT range from 0.1 m F to 1 m F. Ensure that C BOOT is placed near the IC.
Switch node pin. This is the reference for the floating top gate driver. Connect this pin to the source of the top
MOSFET.
Top gate MOSFET driver pin. Connect this pin to the gate of the top N ? channel MOSFET.
Bottom gate MOSFET driver pin. Connect this pin to the gate of the bottom N ? channel MOSFET.
IC ground reference. All control circuits are referenced to this pin.
Supply rail for the internal circuitry. Operating supply range is 4.5 V to 13.2 V. Decouple with a 1 m F capacitor
to GND. Ensure that this decoupling capacitor is placed near the IC.
Compensation Pin. This is the output of the error amplifier (EA) and the non ? inverting input of the PWM com-
parator. Use this pin in conjunction with the FB pin to compensate the voltage ? control feedback loop. Pull this
pin low for disable.
This pin is the inverting input to the error amplifier. Use this pin in conjunction with the COMP pin to com-
pensate the voltage ? control feedback loop. Connect this pin to the output resistor divider (if used) or directly
to V out .
Voltage Offset Sense
Power Good output. Pulled Low if VOS is ± 10% of 0.8 V V ref .
ABSOLUTE MAXIMUM RATINGS
Pin Name
Main Supply Voltage Input
Bootstrap Supply Voltage Input
Switching Node (Bootstrap Supply Return)
High ? Side Driver Output (Top Gate)
Symbol
VCC
BOOT
LX
UG
V MAX
15 V
35 V wrt/GND
40 V < 100 ns
15 V wrt/LX
35 V
40 V for < 100 ns
30 V wrt/GND
15 V wrt/LX
V MIN
? 0.3 V
? 0.3 V
? 0.3 V
? 0.3 V
? 5 V
? 10 V for < 200 ns
? 0.3 V wrt/LX
? 2 V for < 200 ns
40 V for < 100 ns
Low ? Side Driver Output (Bottom Gate)
LG
V CC + 0.3 V
? 0.3 V
? 5 V for < 200 ns
Feedback, VOS
COMP/EN
PGOOD
FB, VOS
COMP/EN
PGOOD
5.0 V
3.6 V
7V
? 0.3 V
? 0.3 V
? 0.3 V
MAXIMUM RATINGS
Rating
Thermal Resistance, Junction ? to ? Ambient
Thermal Resistance, Junction ? to ? Case
Operating Junction Temperature Range
Operating Ambient Temperature Range
Storage Temperature Range
Moisture Sensitivity Level
Symbol
R q JA
R q JC
T J
T A
T stg
MSL
Value
165
45
0 to 150
0 to 70
? 55 to +150
1
Unit
° C/W
° C/W
° C
° C
° C
?
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.
This device is ESD sensitive. Use standard ESD precautions when handling.
http://onsemi.com
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相关代理商/技术参数 |
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|---|---|
| NCP1589BMNTWG | 功能描述:电压模式 PWM 控制器 BUCK REGULATOR RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| NCP1589BMNTXG | 功能描述:电压模式 PWM 控制器 BUCK REGULATOR RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| NCP1589CMNTWG | 功能描述:DC/DC 开关控制器 BUCK CONTROLLER RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| NCP1589DMNTWG | 功能描述:电压模式 PWM 控制器 SYNC BUCK CONTROLLER RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| NCP1589LMNTWG | 功能描述:电压模式 PWM 控制器 SYNC BUCK CONTROLLER RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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