From LM1117 datasheet, ti.com/lit/ds/symlink/lm1117.pdf: Output current: 800 mA. The LM1117 can deliver that 800 mA with a maximum voltage drop of 1.4 V. And 5 V - 3.3 V = 1.7 V So there's plenty of voltage headroom. Explain why that isn't good enough for you. Vout gives 92ma So a voltage is 92 mA??? Be clear. The voltage at Vout = .... while being loaded with 92 mA.

@Bimpelrekkie When I measure VIN it gives 200ma. What would u suggest to get at least 200ma

@mrneedshelpalot: Does your LM1117 have a heat sink? It will shut down if it gets too warm. Also, that 200mA 5V rating probably includes the current for the Pico. Maybe your power supply is just too weak.

@JRE here is my lm1117 direnc.net/lm1117-ld1117-3v3-ayarli-regulator-33v-to220 , I am taking power from computers USB port .

Computer port may have over current protection, usually 0.5A. LDO output may oscillate if you do not properly choose output capacitor.

@Kartman Vin gives 185-205 mA VOUT gives 90-98 mA, I make caps conenction 10 µF for Vin , 100 µF for Vout

@user263983 I am using 10 µF for Vin , 100 µF for Vout

Type of capacitor capacitor important because of ESR. Try 20 mkF tantalum.

When I measure VIN it gives 200ma. So you measure a voltage in Amperes? Hmmm. I still do not understand what you're doing.

@user263983 ceramic 20 µF to where ? Vin and ground side ? is it enough ?

@Bimpelrekkie I am giving Pico's 5V to Lm1117 Vin (Pico's 5V give 200mA). Vout gives 3.28 V and 92mA but I need a 3.3V 180mA to Esp01 work. I am using regulator first time I don't know, I read LM1117 gives 800mA that's why I bought.

Tantalum. Ceramic has low ESR. Read the datasheet from TI, you have a link in comments.

I think adding a appropriate schematic to your question would help...

Output current from linear stabilization should be input minus the quiscient. So, the only explanation, output is oscillate. Use osclloscope.

@Tyler I did it .

@user263983 I don't have it

OK, but tantalum still in demand.

user263983 I will buy tantal (ceramic I guess) caps tomorrow , I don't have for now.

I have 3 ceramic caps but I don't know the values. (Top of the cap says (56,102,271))

Tantalum is not ceramic. It is electrolytic capacitor and it has polarity. Keep it in mind. 10 mkF is minimum.

@user263983 I have electrolytic capacitors but I don't have minimum 10mkF . I have micro Farads and Nano Farads

By mk I meant micro. I do not have a Greek letter, sorry. 10 uF may be more clear.

Texas Instruments recommend minimum 10 uF tantalum capacitor. Ceramic may be used if you connect 0.5-1 Ohm resistor in series. You may try but results is not for sure.