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LT8610ABEMSE#TRPBF
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Analog Devices DC-DC Converters, MSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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LT8610ABEMSE#TRPBF
Analog Devices · DC-DC Converters · MSOP-16-EP
LT8610ABEMSE#TRPBF from Analog Devices, in a MSOP-16-EP. 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 | SYNC | input | External clock synchronization input: ground it for low-ripple Burst Mode at low loads, apply a DC voltage of 3V or higher or tie to INTVCC for pulse-skipping mode, and do not float it. |
| 2 | TR/SS | bidirectional | Output tracking and soft-start pin: below 0.97V it forces FB to follow TR/SS, an internal 2.2µA pull-up from INTVCC sets the ramp rate, and an internal 230Ω MOSFET pulls it to ground during shutdown and faults. |
| 3 | RT | passive | A resistor tied between RT and ground sets the switching frequency. |
| 4 | EN/UV | input | The regulator is shut down when this pin is low and active when high, with a hysteretic threshold of 1.00V rising and 0.96V falling; tie to VIN if the shutdown feature is not used. |
| 5 | VIN | power_in | Supplies the internal circuitry and the internal top-side power switch; pins 5 and 6 must be tied together and locally bypassed. |
| 6 | VIN | power_in | Supplies the internal circuitry and the internal top-side power switch; must be tied together with pin 5 and locally bypassed. |
| 7 | NC | unconnected | No connect; this pin is not connected to internal circuitry. |
| 8 | GND | power_in | Ground return for the internal bottom-side switch; must be tied together with the other GND pins and the exposed pad. |
| 9 | SW | output | Output of the internal power switches; pins 9, 10 and 11 must be tied together and connected to the inductor and boost capacitor with a small node on the PCB. |
| 10 | SW | output | Output of the internal power switches; must be tied together with pins 9 and 11 and connected to the inductor and boost capacitor. |
| 11 | SW | output | Output of the internal power switches; must be tied together with pins 9 and 10 and connected to the inductor and boost capacitor. |
| 12 | BST | passive | Provides a drive voltage higher than the input voltage to the top-side power switch; place a 0.1µF boost capacitor as close as possible to the IC. |
| 13 | INTVCC | power_out | Internal 3.4V regulator bypass pin with 20mA maximum output current; do not load it externally and decouple it to power ground with at least a 1µF low-ESR ceramic capacitor placed close to the IC. |
| 14 | BIAS | power_in | Supplies the internal regulator from BIAS instead of VIN when tied above 3.1V; for outputs of 3.3V and above tie it to VOUT, otherwise use a 1µF local bypass capacitor. |
| 15 | PG | output | Open-drain power-good output that stays low until FB is within ±9% of the regulation voltage with no fault conditions, and is valid when VIN is above 3.4V regardless of EN/UV. |
| 16 | FB | input | Feedback input for the adjustable LT8610A/LT8610AB, regulated to 0.970V; connect the resistor divider tap here and a 4.7pF to 10pF phase-lead capacitor from FB to VOUT. |
| 17 | GND | power_in | Exposed pad is ground and must be soldered to the PCB to lower thermal resistance and be tied to the input capacitor's negative terminal close to the GND pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | MSOP-16-EP |
| Category | Power Management (PMIC) |
| Pins | 17 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Minimum Input Voltage | 2.9 | 3.4 | V | Note 4: for fixed-output versions minimum input is limited by output voltage | 3 | ||
| VIN Quiescent Current | 1 | 3 | µA | VEN/UV = 0V, 25°C | 3 | ||
| VIN Quiescent Current | 1 | 8 | µA | VEN/UV = 0V, full operating temperature range | 3 | ||
| VIN Quiescent Current (not switching, VSYNC = 0V) | 1.7 | 4 | µA | VEN/UV = 2V, Not Switching, VSYNC = 0V, 25°C | 3 | ||
| VIN Quiescent Current (not switching, VSYNC = 0V) | 1.7 | 10 | µA | VEN/UV = 2V, Not Switching, VSYNC = 0V, full operating temperature range | 3 | ||
| VIN Quiescent Current (pulse-skipping, VSYNC = 2V) | 0.26 | 0.5 | mA | VEN/UV = 2V, Not Switching, VSYNC = 2V | 3 | ||
| VIN Current in Regulation (LT8610AB) | 24 | 50 | µA | VOUT = 0.97V, VIN = 6V, Output Load = 100µA (LT8610AB) | 3 | ||
| VIN Current in Regulation (LT8610AB) | 210 | 350 | µA | VOUT = 0.97V, VIN = 6V, Output Load = 1mA (LT8610AB) | 3 | ||
| Feedback Reference Voltage (LT8610AB) | 0.964 | 0.97 | 0.976 | V | VIN = 6V, ILOAD = 0.5A, 25°C | 3 | |
| Feedback Reference Voltage (LT8610AB) | 0.958 | 0.97 | 0.982 | V | VIN = 6V, ILOAD = 0.5A, full operating temperature range | 3 | |
| Feedback Voltage Line Regulation (LT8610AB) | 0.004 | 0.02 | %/V | VIN = 4V to 42V, ILOAD = 1A, full operating temperature range | 3 | ||
| Feedback Pin Input Current (LT8610AB) | -20 | 20 | nA | VFB = 1V | 3 | ||
| INTVCC Voltage | 3.23 | 3.25 | 3.4 | V | ILOAD = 0mA, VBIAS = 0V | 4 | |
| INTVCC Voltage | 3.29 | 3.35 | 3.57 | V | ILOAD = 0mA, VBIAS = 3.3V | 4 | |
| INTVCC Undervoltage Lockout | 2.5 | 2.6 | 2.7 | V | 4 | ||
| BIAS Pin Current Consumption | 9 | mA | VBIAS = 3.3V, ILOAD = 1A, 2MHz | 4 | |||
| Minimum On-Time | 15 | 30 | 45 | ns | ILOAD = 1A, SYNC = 0V, full operating temperature range | 4 | |
| Minimum Off-Time | 95 | 125 | ns | 4 | |||
| Oscillator Frequency | 180 | 210 | 240 | kHz | RT = 221k, ILOAD = 1A, full operating temperature range | 4 | |
| Oscillator Frequency | 665 | 700 | 735 | kHz | RT = 60.4k, ILOAD = 1A, full operating temperature range | 4 | |
| Oscillator Frequency | 1.85 | 2 | 2.15 | MHz | RT = 18.2k, ILOAD = 1A, full operating temperature range | 4 | |
| Top Power NMOS On-Resistance | 120 | mΩ | ISW = 1A | 4 | |||
| Top Power NMOS Current Limit (LT8610AB) | 5 | 6.7 | 8 | A | full operating temperature range | 4 | |
| Bottom Power NMOS On-Resistance | 65 | mΩ | VINTVCC = 3.4V, ISW = 1A | 4 | |||
| Bottom Power NMOS Current Limit | 3.4 | 4.3 | 5.4 | A | VINTVCC = 3.4V | 4 | |
| SW Leakage Current | -1.5 | 1.5 | µA | VIN = 42V, VSW = 0V, 42V | 4 | ||
| EN/UV Pin Threshold (rising) | 0.94 | 1 | 1.06 | V | EN/UV Rising, full operating temperature range | 4 | |
| EN/UV Pin Hysteresis | 40 | mV | 4 | ||||
| EN/UV Pin Current | -20 | 20 | nA | VEN/UV = 2V | 4 | ||
| PG Upper Threshold Offset from VFB | 6 | 9 | 12 | % | VFB Falling, full operating temperature range | 4 | |
| PG Lower Threshold Offset from VFB | -12 | -9 | -6 | % | VFB Rising, full operating temperature range | 4 | |
| PG Hysteresis | 1.3 | % | 4 | ||||
| PG Leakage | -40 | 40 | nA | VPG = 3.3V | 4 | ||
| PG Pull-Down Resistance | 680 | 2000 | Ω | VPG = 0.1V, full operating temperature range | 4 | ||
| SYNC Threshold (falling) | 0.8 | 1.1 | 1.4 | V | SYNC Falling | 4 | |
| SYNC Threshold (rising) | 1.6 | 2 | 2.4 | V | SYNC Rising | 4 | |
| SYNC Pin Current | -40 | 40 | nA | VSYNC = 6V | 4 | ||
| TR/SS Source Current | 1 | 2 | 3.2 | µA | full operating temperature range | 4 | |
| TR/SS Pull-Down Resistance | 230 | Ω | Fault Condition, TR/SS = 0.1V | 4 | |||
| Minimum Input Voltage (absolute max rows: VIN, EN/UV, PG) | 42 | V | VIN, EN/UV, PG | 2 | |||
| BST Pin Above SW Pin | 4 | V | 2 | ||||
| FB, TR/SS, RT, INTVCC | 4 | V | 2 | ||||
| VOUT, SYNC Voltage | 6 | V | 2 | ||||
| Operating Junction Temperature Range (LT8610ABE) | -40 | 125 | °C | E grade (LT8610ABEMSE); Note 2 | 2 | ||
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Thermal Resistance Junction-to-Ambient (θJA) | θJA | 40 | °C/W | MSE package, 16-lead plastic MSOP | 2 | ||
| Thermal Resistance Junction-to-Case (Exposed Pad) (θJC(PAD)) | θJC(PAD) | 10 | °C/W | MSE package, 16-lead plastic MSOP | 2 |
CAD (KiCad official)
- Symbol:
LT8610ABEMSE#TRPBF - Footprint:
Package_SO:MSOP-16-1EP_3x4.039mm_P0.5mm_EP1.651x2.845mm - 3D model: MSOP-16-EP (KiCad packages3D, STEP)
- 3D model files:
lt8610abemse-trpbf-etched.step/lt8610abemse-trpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt8610abemse-trpbf.step/lt8610abemse-trpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (26 pp, sha256
fcd80cdd7204bc8c, 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).