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AN2829 数据表(PDF) 25 Page - STMicroelectronics

部件名 AN2829
功能描述  Dual step-down controller with auxilary voltages
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2829 数据表(HTML) 25 Page - STMicroelectronics

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AN2829
Test setup and performance summary
25/32
Figure 19.
Device current consumption vs. input voltage
11.6
Switching frequency vs. load current
Figure 20 and 21 show the switching frequency variation with the load current in PWM
mode, skip mode and no audible skip mode. 12 V is applied at the VIN+ and VIN- test points.
Figure 20.
1.5 V output switching frequency vs. load current
AM01425v1
Standby mode input battery current
vs input voltage
240
260
280
300
320
340
360
380
8
10
12
14
16
18
20
22
24
26
2830
32
34
36
Input voltage [V]



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