Part Number: LM27761 Hi guys, image of circuit attached.
C50,53 = 4.7uF
C55 = 1uF
R2 = 105K
R3 = 100K
C46 = 2.2uF
As per equation 5; -1.22 * (105K + 100K)/100K = -2.5
Why wont this circuit output anything? I have tried 3 different chips all new. I can…
Part Number: LM27761 Hi team,
Does LM27761 support 3Vin, output -4.2V/50mA? What voltage will the CPOUT be under this case?
Thanks and Best Regards,
Will
Part Number: LM27761 Other Parts Discussed in Thread: LM2776 Hello,
We are using LM27761 (replaced in an old design containing LM2776 which is out of stock) to convert as below:
Vin = 5V
Vout = -4.9 to -5V is acceptable
Output Current = 10mA
As per the…
Part Number: LM27761 Hi Team,
LM27761 have 2.5-Ω Inverter Output Impedance parameter. There have some questions need to confirm:
1. Is 2.5-Ω Output Impedance a pull-down resistor?
2. Is 2.5-Ω Output Impedance a fixed value? Does it correspond…
Part Number: LM27761 Other Parts Discussed in Thread: LM4766 , Hi Support Team,
Could you please let me confirm how to set the output voltage of the LM4766? I'd like to make the output voltage as close as possible to -5V with an input voltage of 5V.…
Part Number: LM27761 Hi TI
I am preparing use LM27761DSGT to design LDO circuit, so I have some question about LM27761DSGT:
1. LM27761DSGT first use a charge pump convert Vin to -Vin, and then use a LDO convert -Vin to Vout?
2. In my design, Vin=3.3V…
Part Number: LM27761 Hi team we are using LM27761 to generate -5V from 5.5V. I have attached the image of the connections for the regulator. May I request you to review the connections
Any package consideration for CPOUT and C1+,C1- capacitors?
--
Regards…
Part Number: LM27761 Hi team,
We are working on a new design where the LDO requirement is
Input Voltage : 5V
Output Voltage : -5V
Current : 200mA
And we are planning to use LM27761 LDO regulator.
Since this device is being operated at maximum input(5…
Part Number: LM27761 Hi E2E,
Good day. Please help provide the LM27761 WSON (DSG) land pattern since the information is not included in the datasheet. Thank you. Regards, Carlo
Part Number: LM27761 The spec lacks a line item for leakage current into pin VFB; all that is specified for picking values for R1 and R2 external resistors is to assure that R2>50kOhms.
I am concerned that an existing design that is using R1 and R2…