component
TPS77533DR
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownTPS77533DR
Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8
TPS77533DR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | GND | power_in | Ground and common return path for all voltages and currents. |
| 2 | EN | input | Negative-polarity active-low enable input with voltage range -0.3 to +16.5 V; high level reduces quiescent current to 1 µA at 25°C. |
| 3 | IN | power_in | Input supply voltage with range -0.3 to +13.5 V; minimum supply voltage is regulated output plus dropout voltage (typically 169 mV at 500 mA). |
| 4 | IN | power_in | Input supply voltage with range -0.3 to +13.5 V; parallel pin for current distribution and reduced parasitic inductance. |
| 5 | OUT | power_out | Regulated 3.3 V output voltage with ±2% tolerance over line, load, and temperature; voltage rating 0 to 7 V; 500 mA maximum continuous current. |
| 6 | OUT | power_out | Regulated 3.3 V output voltage; voltage rating 0 to 7 V; parallel pin for current distribution; requires minimum 10 µF output capacitor with ESR 50 mΩ to 1.5 Ω. |
| 7 | FB/NC | unconnected | Feedback voltage input for adjustable versions (TPS77x01) with internal 1.1834 V reference; not internally connected for fixed-output versions like TPS77533; may be left open. |
| 8 | RESET | tri_state | Open-drain power-on reset output (TPS775xx only); asserts low when regulated output drops below 92% of nominal (3.04 V for 3.3 V regulator); 200 ms minimum delay from power-up; requires external pull-up resistor. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
TPS77533DR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
tps77533dr-etched.step/tps77533dr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps77533dr.step/tps77533dr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (36 pp, sha256
8829e2a477a2c896, retrieved 2026-10-06, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).