参数资料
型号: L5983
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封装: 3 X 3 MM, 1.08 MM HEIGHT, LEAD FREE, VFQFPN-8
文件页数: 17/37页
文件大小: 832K
代理商: L5983
Application information
L5983
24/37
Doc ID 13005 Rev 6
Equation 25
For example with VOUT = 3.3 V, VIN = 12 V, IO = 1.5 A, L = 22 μH, COUT = 330 μF,
ESR = 50 m
Ω, the type II compensation network is:
In Figure 15 is shown the module and phase of the open loop gain. The bandwidth is about
30 kHz and the phase margin is 45°.
C
5
C
4
2
π R
4
C
4
4BW
1
--------------------------------------------------------------
=
R
1
1.1k
Ω
=
R
2
249
Ω
=
R
4
10k
Ω
=
C
4
6.8nF
=
C
5
68pF
=
,,
,
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L5983TR 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
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相关代理商/技术参数
参数描述
L5983_08 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.5 A step-down switching regulator
L5983TR 功能描述:直流/直流开关调节器 1.5a Step-Down Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
L5985 功能描述:直流/直流开关调节器 2A STEP-DOWN SWITCH REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
L5985_08 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2 A step-down switching regulator
L5985TR 功能描述:直流/直流开关调节器 2a Step-Down Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5