पिनआउट
पिनआउट
LM317 एडजस्टेबल रेगुलेटर (TO-220) पिनआउट
इंटरैक्टिव पिन मैप खोलें
पिन
- 1 ADJ (left, facing the label)
- 2 VOUT (middle — also the tab)
- 3 VIN (right)
- VOUT = 1.25V × (1 + R2/R1); pinout differs from the 7805 — do not swap them blindly
विनिर्देश
| Output voltage | 1.25–37 V, set by two resistors |
|---|
| Output formula | Vout = 1.25 V × (1 + R2/R1); R1 typically 240 Ω |
|---|
| Input–output differential | 3–40 V recommended |
|---|
| Output current | Up to 1.5 A with adequate heatsinking |
|---|
| Reference voltage | 1.25 V typ (1.2–1.3 V) |
|---|
| ADJ pin current | ≈ 50 µA typ |
|---|
| Minimum load current | ≈ 3.5 mA typ, 10 mA max (R1 usually provides it) |
|---|
| Protection | Current limit, thermal shutdown, safe-area protection |
|---|
| Operating junction temperature | 0–125 °C |
|---|
| पैकेज | TO-220 (also TO-92 LM317L at 100 mA, D2PAK, SOT-223) |
|---|
और पिनआउट
लीनियर वोल्टेज रेगुलेटर (TO-220, जैसे 7805)Output voltage: 5 V ±4% (7805); 78xx family also 6, 8, 9, 12, 15, 18, 24 V; Input voltage: ≈ 7–25 V in use; 35 V absolute max (5–18 V versions);…
AMS1117 लीनियर रेगुलेटर (SOT-223)Output voltage: Fixed 1.5, 1.8, 2.5, 2.85, 3.3 or 5.0 V, or adjustable (1.25 V reference); Output current: 1 A; ड्रॉपआउट: ≈ 1.1 V typ, 1.3 V max at 1 A
TP4056 Li-ion चार्जर मॉड्यूलCharger IC: TP4056 (linear, constant current / constant voltage); Input voltage: 5 V nominal (4–8 V per the datasheet); Charge voltage: 4.2 V ±1%
LM2596 बक कन्वर्टर मॉड्यूलConverter IC: LM2596 (step-down switching regulator); Input voltage: 4.5–40 V; Output voltage: 1.23–37 V adjustable (needs ≈ 1.5 V or more of headroom)
PC817 ऑप्टोकपलर (DIP-4)Isolation voltage: 5000 V rms; LED फ़ॉरवर्ड वोल्टेज: ≈ 1.2 V typ, 1.4 V max at 20 mA; LED forward current: 50 mA max; typically driven at 5–10 mA
ESP32-CAM (AI-Thinker)चिप: ESP32 (ड्यूल-कोर, 240 MHz तक); PSRAM: 4 MB; फ़्लैश मेमोरी: 4 MB
Arduino Pro Mini (ATmega328P)माइक्रोकंट्रोलर: ATmega328P; संस्करण: 3.3 V / 8 MHz या 5 V / 16 MHz; इनपुट वोल्टेज (RAW): 3.35–12 V (3.3 V वर्ज़न), 5–12 V (5 V वर्ज़न)
ATmega328P (DIP-28)Core: 8-bit AVR; सप्लाई वोल्टेज: 1.8–5.5 V; क्लॉक स्पीड: Up to 4 MHz at 1.8 V, 10 MHz at 2.7 V, 20 MHz at 4.5–5.5 V; internal 8 MHz RC oscillator