L5150GJ 查看數據表（PDF） - STMicroelectronics

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L5150GJ

5 V low dropout voltage regulator

STMicroelectronics 

Application information

Reset pulse delay Trd is given by:

Equation 2

L5150GJ

trd = 32 x Tosc

The Output Voltage Reset threshold can be adjusted via an external voltage divider R1 + R2

(R1 connected between Res_Adj and V0, R2 connected between Res_Adj and GND) according

to the following formula:

Equation 3

Vthre = [(R1 + R2) / R2] * VRes_adj

The Output Voltage Reset threshold can be decreased down to 3.5 V. If it is needed to

maintain it to its default value (8% below Vo_ref typical), it is enough to connect the Res_Adj

pin directly to GND.

Figure 27. Reset time diagram

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Doc ID 15540 Rev. 12

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