# SG3524DTR

**XBLW** · AC-DC Controllers And Regulators · SOP-16

SG3524DTR from XBLW, in a SOP-16. 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 | INV. INPUT | input | Inverting input of the error amplifier; recommended common-mode input range is 1.8V to 3.4V. |
| 2 | N.I. INPUT | input | Non-inverting input of the error amplifier; recommended common-mode input range is 1.8V to 3.4V. |
| 3 | OSC. OUTPUT | output | Oscillator output used for external synchronization of the 100Hz to 300KHz oscillator. |
| 4 | +C.L. SENSE | input | Non-inverting input of the current limit amplifier; differential sense voltage threshold is 180mV to 220mV. |
| 5 | -C.L. SENSE | input | Inverting input of the current limit amplifier; differential sense voltage is limited to -0.3V to 0.3V. |
| 6 | RT | passive | Oscillator timing resistor connection; recommended RT is 1.8 to 100 kOhm. |
| 7 | CT | passive | Oscillator timing capacitor connection; recommended CT is 1 to 1000 nF. |
| 8 | GROUND | power_in | Ground reference for the device. |
| 9 | COMPENSATION | passive | Error amplifier compensation connection for loop frequency compensation. |
| 10 | SHUTDOWN | input | Shutdown input that turns off the outputs; threshold voltage is 0.5V min, 0.8V typ, 1.2V max. |
| 11 | EA | output | Emitter of output transistor A; output current up to 50mA recommended (100mA absolute max). |
| 12 | CA | output | Collector of output transistor A; collector voltage up to 40V recommended, 40V absolute max. |
| 13 | CB | output | Collector of output transistor B; collector voltage up to 40V recommended, 40V absolute max. |
| 14 | EB | output | Emitter of output transistor B; output current up to 50mA recommended (100mA absolute max). |
| 15 | +VIN | power_in | Supply input; recommended 8V to 40V, absolute maximum 42V. |
| 16 | VREF | power_out | 5V reference voltage output (4.8V to 5.2V), recommended load 0 to 20mA, absolute max 40mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XBLW |
| Package | SOP-16 |
| Category | Power Management (PMIC) |
| Pins | 16 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input voltage (absolute maximum) | Vin |  |  | 42 | V | Tamb=25℃ if no other provisions | 3 |
| Collector voltage (absolute maximum) |  |  |  | 40 | V | Tamb=25℃ if no other provisions | 3 |
| Logic input voltage (absolute maximum) |  | -0.3 |  | 5.5 | V | Tamb=25℃ if no other provisions | 3 |
| Current-limiting pin differential input (absolute maximum) | Vsense | -0.3 |  | 0.3 | V | Tamb=25℃ if no other provisions | 3 |
| Each output current (absolute maximum) |  |  |  | 100 | mA | Tamb=25℃ if no other provisions | 3 |
| Voltage reference load (absolute maximum) |  |  |  | 40 | mA | Tamb=25℃ if no other provisions | 3 |
| Oscillating end charging current (absolute maximum) |  |  |  | 5 | mA | Tamb=25℃ if no other provisions | 3 |
| Working junction temperature (absolute maximum) |  |  |  | 150 | ℃ | Tamb=25℃ if no other provisions | 3 |
| Operating ambient temperature (absolute maximum range) |  | 0 |  | 70 | ℃ | Tamb=25℃ if no other provisions | 3 |
| Input voltage (recommended) | Vin | 8 |  | 40 | V |  | 3 |
| Collector voltage (recommended) |  | 0 |  | 40 | V |  | 3 |
| Error amplifier common-mode input voltage (recommended) |  | 1.8 |  | 3.4 | V |  | 3 |
| Current-limiting pin differential input (recommended) | Vsense | -0.3 |  | 0.3 | V |  | 3 |
| Each output current (recommended) |  | 0 |  | 50 | mA |  | 3 |
| Voltage reference load (recommended) |  | 0 |  | 20 | mA |  | 3 |
| Oscillating end charging current (recommended) |  | 0.03 |  | 2 | mA |  | 3 |
| Oscillation frequency (recommended) |  | 0.1 |  | 300 | KHz |  | 3 |
| Oscillation resistance Rt (recommended) | Rt | 1.8 |  | 100 | KΩ |  | 3 |
| Oscillation capacitance Ct (recommended) | Ct | 1 |  | 1000 | nF |  | 3 |
| Working junction temperature (recommended) |  |  |  | 150 | ℃ |  | 3 |
| Operating ambient temperature (recommended) |  | 0 |  | 70 | ℃ |  | 3 |
| Vref output voltage | Vref | 4.8 | 5 | 5.2 | V | IL = 0mA (default for reference section) | 4 |
| Oscillation frequency | Fosc | 36 |  | 44 | KHz | FOSC = 40KHz, RT = 2.9KW, CT = 0.01uF (default for oscillator section) | 4 |
| Maximum frequency of oscillation | MaxFosc | 200 |  | 400 | KHz | RT = 2K, CT = 1nF | 4 |
| Peak of oscillation waveform |  | 3 |  | 3.9 | V | FOSC = 40KHz, RT = 2.9KW, CT = 0.01uF (default for oscillator section) | 4 |
| Valley value of oscillation waveform |  | 0.6 |  | 1.2 | V | FOSC = 40KHz, RT = 2.9KW, CT = 0.01uF (default for oscillator section) | 4 |
| Oscillation pulse width |  | 0.3 |  | 1.5 | us | FOSC = 40KHz, RT = 2.9KW, CT = 0.01uF (default for oscillator section) | 4 |
| Output low level | Vol | 0.2 |  | 0.5 | V | VPIN1 - VPIN2 > 150mV (Vcm=2.5V default) | 4 |
| Output high level | Voh | 3.8 |  | 4.2 | V | VPIN2 - VPIN1 > 150mV (Vcm=2.5V default) | 4 |
| Maximum duty cycle |  | 45 |  | 49 | % | VCOMP = 3.6V | 4 |
| Current limit amplifier input threshold voltage | Vsense | 180 |  | 220 | mV | VCM = 0V | 4 |
| Shutdown threshold voltage | Vth | 0.5 | 0.8 | 1.2 | V |  | 4 |
| Low current input (initiation control) | ISTL | -200 |  | -25 | A | V (pin3) = 0.4V | 5 |
| High current input (initiation control) | ISTH | 25 |  | 200 | A | V (pin13) = 2.4V | 5 |
| Standby current | Icc | 6 |  | 10 | mA | Vcc=15V; pin 6 is reference voltage, other input and output are open | 5 |
| Standby current | Icc | 9 |  | 15 | mA | Vcc=40V; pin 6 is reference voltage, other input and output are open | 5 |
| Input offset voltage | Vio |  | 10 |  | mV | Vcm=2.5V (default) | 4 |
| Input bias current | Ib |  | 10 |  | uA | Vcm=2.5V (default) | 4 |
| Input offset current | Iio |  | 2 |  | uA | Vcm=2.5V (default) | 4 |
| DC open loop gain | Av |  | 60 |  | dB | Vcm=2.5V (default) | 4 |
| Input common mode rejection ratio | CMR |  | 70 |  | dB | VCM = 1.8V to 3.4V | 4 |
| Minimum duty cycle |  |  | 0 |  | % | VCOMP = 0.5V | 4 |
| Current limit input bias current | Ib |  | 20 |  | uA | VCM = 0V | 4 |
| Collector leakage current | Cleak |  | 50 |  | uA | VCE = 40V | 4 |
| Collector saturation voltage | Vcsat |  | 2 |  | V | IC = 50mA | 4 |
| High current input (Vref on pin 13) | ISTH |  | 75 |  | A | V (pin13) = Vref | 5 |
| Average power supply current |  |  | 7.5 |  | mA | Vcc=15V; RT=12k; CT=0.01 F; V (pin14) = 2.0V | 5 |
| Emitter output voltage | Ve |  | 17 |  | V | IE = 50mA | 5 |
| Collector output rise time |  |  | 0.4 |  | us | RC = 2K | 5 |
| Collector output fall time |  |  | 0.2 |  | us | RC = 2K | 5 |
| Static working current | Icc |  | 10 |  | mA | VIN = 40V | 5 |
| Frequency voltage drift |  |  | 1 |  | % | VIN = 8V to 40V | 4 |

## CAD (KiCad official)

- Symbol: `SG3524DTR`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `sg3524dtr-etched.step` / `sg3524dtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sg3524dtr.step` / `sg3524dtr.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [XBLW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603351565315297280) (10 pp, sha256 `546d64ff50458038`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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).

[Datasheet PDF](docs/sg3524dtr-datasheet.pdf)