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LT1964ES5-BYP#TRPBF
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Analog Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLT1964ES5-BYP#TRPBF
Analog Devices · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5
LT1964ES5-BYP#TRPBF from Analog Devices, in a SOT-23-5. 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 reference pin for the regulator; the datasheet gives no further limit for this pin. |
| 2 | IN | power_in | Supplies power to the device; a bypass capacitor of 1µF to 10µF is sufficient and is required if the device is more than six inches from the main input filter capacitor, and the input supply is specified from -2.8V to -20V for the 200mA minimum-input condition, with the output maximum of -20V. |
| 3 | BYP | passive | Bypasses the internal reference to lower output voltage noise; a maximum of 0.01µF is recommended (typically 30µVRMS over 10Hz to 100kHz), and the pin must be left unconnected if not used. |
| 4 | ADJ | input | Input to the error amplifier with a 30nA bias current flowing out of the pin; ADJ is regulated to -1.22V referenced to ground, the output range is -1.22V to -20V, and the pin must not be pulled more negative than IN in normal operation or more than 0.5V more negative than IN during a fault. |
| 5 | OUT | power_out | Supplies power to the load and requires a minimum 1µF output capacitor (ESR of 3Ω or less recommended) to prevent oscillation; it must not be pulled more negative than IN in normal operation or more than 0.5V below IN during a fault. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| ADJ Pin Voltage | VADJ | -1.202 | -1.22 | -1.238 | V | VIN = -2V, ILOAD = -1mA | 3 |
| ADJ Pin Voltage (full operating temperature range) | VADJ | -1.184 | -1.22 | -1.256 | V | -20V < VIN < -2.8V, -200mA < ILOAD < -1mA; l = full operating temperature range | 3 |
| Line Regulation (adjustable LT1964 row, applied to BYP variant) | 1 | 12 | mV | ΔVIN = -2.8V to -20V, ILOAD = -1mA (Note 2); l = full operating temperature range | 3 | ||
| Load Regulation (adjustable LT1964 row, applied to BYP variant) | 2 | 7 | mV | VIN = -2.8V, ΔILOAD = -1mA to -200mA | 3 | ||
| Load Regulation (adjustable LT1964 row, full temperature range) | 15 | mV | VIN = -2.8V, ΔILOAD = -1mA to -200mA; l = full operating temperature range | 3 | |||
| Dropout Voltage | VDROPOUT | 0.1 | 0.15 | V | VIN = VOUT(NOMINAL), ILOAD = -1mA | 3 | |
| Dropout Voltage (full temperature range) | VDROPOUT | 0.19 | V | VIN = VOUT(NOMINAL), ILOAD = -1mA; l = full operating temperature range | 3 | ||
| Dropout Voltage | VDROPOUT | 0.15 | 0.2 | V | VIN = VOUT(NOMINAL), ILOAD = -10mA | 3 | |
| Dropout Voltage (full temperature range) | VDROPOUT | 0.25 | V | VIN = VOUT(NOMINAL), ILOAD = -10mA; l = full operating temperature range | 3 | ||
| Dropout Voltage | VDROPOUT | 0.26 | 0.33 | V | VIN = VOUT(NOMINAL), ILOAD = -100mA | 3 | |
| Dropout Voltage (full temperature range) | VDROPOUT | 0.39 | V | VIN = VOUT(NOMINAL), ILOAD = -100mA; l = full operating temperature range | 3 | ||
| Dropout Voltage | VDROPOUT | 0.34 | 0.42 | V | VIN = VOUT(NOMINAL), ILOAD = -200mA | 3 | |
| Dropout Voltage (full temperature range) | VDROPOUT | 0.49 | V | VIN = VOUT(NOMINAL), ILOAD = -200mA; l = full operating temperature range | 3 | ||
| GND Pin Current | IGND | 30 | 70 | μA | VIN = VOUT(NOMINAL), ILOAD = 0mA; l = full operating temperature range (max) | 3 | |
| GND Pin Current | IGND | 85 | 180 | μA | VIN = VOUT(NOMINAL), ILOAD = -1mA; l = full operating temperature range (max) | 3 | |
| GND Pin Current | IGND | 300 | 600 | μA | VIN = VOUT(NOMINAL), ILOAD = -10mA; l = full operating temperature range (max) | 3 | |
| GND Pin Current | IGND | 1.3 | 3 | mA | VIN = VOUT(NOMINAL), ILOAD = -100mA; l = full operating temperature range (max) | 3 | |
| GND Pin Current | IGND | 2.5 | 6 | mA | VIN = VOUT(NOMINAL), ILOAD = -200mA; l = full operating temperature range (max) | 3 | |
| ADJ Pin Bias Current | IADJ | 30 | 100 | nA | 4 | ||
| Minimum Input Voltage (LT1964-BYP) | VIN(MIN) | -1.9 | -2.8 | V | ILOAD = -200mA | 4 | |
| Ripple Rejection | RR | 46 | 54 | dB | VIN, VOUT = -1.5V(Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = -200mA | 4 | |
| Current Limit | ILIMIT | 220 | 350 | mA | VIN = VOUT(NOMINAL) -1.5V, ΔVOUT = 0.1V; l = full operating temperature range (min) | 4 | |
| Input Reverse Leakage Current | IIN(REV) | 1 | mA | VIN = 20V, VOUT, VADJ, VSHDN = Open Circuit; l = full operating temperature range | 4 | ||
| IN Pin Voltage | VIN | -20 | 20 | V | 2 | ||
| OUT Pin Voltage | VOUT | -20 | 20 | V | Note 11 | 2 | |
| OUT to IN Differential Voltage | VOUT-VIN | -0.5 | 20 | V | Note 11 | 2 | |
| ADJ Pin Voltage (with respect to IN pin) | VADJ | -0.5 | 20 | V | with respect to IN pin; Note 11 | 2 | |
| BYP Pin Voltage (with respect to IN pin) | VBYP | -20 | 20 | V | with respect to IN pin | 2 | |
| Operating Junction Temperature Range (E, I Grade) | TJ | -40 | 125 | °C | Note 10 | 2 | |
| Storage Temperature Range | TSTG | -65 | 150 | °C | 2 | ||
| Lead Temperature (Soldering) | TLEAD | 300 | °C | 10 sec, SOT-23 package | 2 | ||
| Maximum Junction Temperature (TJMAX) | TJMAX | 150 | °C | S5 (SOT-23) package | 2 | ||
| Thermal Resistance Junction-to-Ambient (θJA) | θJA | 125 | 250 | °C/W | SOT-23 (S5); depends on board layout (Note 13) | 2 | |
| Thermal Resistance Junction-to-Ambient (θJA) | θJA | 125 | °C/W | SOT-23; board 2500mm2, topside copper 2500mm2, backside copper 2500mm2 | 13 | ||
| Thermal Resistance Junction-to-Ambient (θJA) | θJA | 130 | °C/W | SOT-23; board 225mm2, topside copper 2500mm2, backside copper 2500mm2 | 13 | ||
| Thermal Resistance Junction-to-Ambient (θJA) | θJA | 135 | °C/W | SOT-23; board 100mm2, topside copper 2500mm2, backside copper 2500mm2 | 13 | ||
| Thermal Resistance Junction-to-Ambient (θJA) | θJA | 150 | °C/W | SOT-23; board 50mm2, topside copper 2500mm2, backside copper 2500mm2 | 13 | ||
| Thermal Resistance Junction-to-Case (θJC) | θJC | 60 | °C/W | SOT-23; measured at Pin 2 | 13 |
CAD (KiCad official)
- Symbol:
LT1964ES5-BYP#TRPBF - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
lt1964es5-byp-trpbf-etched.step/lt1964es5-byp-trpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt1964es5-byp-trpbf.step/lt1964es5-byp-trpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (16 pp, sha256
59b030ab3c07c90b, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(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).