参数资料
型号: L5980TR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封装: 3 X 3 MM, 1.08 MM HEIGHT, ROHS COMPLIANT, VFQFPN-8
文件页数: 18/42页
文件大小: 1188K
代理商: L5980TR
L5980
Application information
Doc ID 13003 Rev 6
25/42
Equation 25
For example with VOUT = 1.2 V, VIN = 12 V, IO = 0.7 A, L = 22 μH, COUT = 220 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
35 kHz and the phase margin is 49°.
C
5
C
4
2
π R
4
C
4
4BW
1
--------------------------------------------------------------
=
R
1
1.1k
Ω
=
R
2
249
Ω
=
R
4
12k
Ω
=
C
4
47nF
=
C
5
68pF
=
,,
,
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相关代理商/技术参数
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