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SK6013SD4-18

Public Made by Adom

by adom

Suntek Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN-4-EP(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SK6013SD4-18

Suntek · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DFN-4-EP(1x1)

SK6013SD4-18 from Suntek, in a DFN-4-EP(1x1). 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 OUT power_out Output pin; bypass with a 1μF ceramic capacitor from this pin to ground, with X7R or X5R temperature characteristics and ESR of 5 to 100 mΩ recommended.
2 GND power_in Ground pin; the exposed thermal pad must also be connected to GND.
3 EN input Enable control input, active high (EN low threshold 0.3 V, EN high threshold 1.5 V); do not leave EN floating, and tie it to IN if the feature is not used.
4 IN power_in Supply input pin, which must be closely decoupled to GND with a 1μF or greater ceramic capacitor; recommended input voltage range is 2.0 to 6.0 V.
5 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Suntek
Package DFN-4-EP(1x1)
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
Input Voltage Operation Range VIN 2 6 V 4
Quiescent Current IQ 40 70 µA VEN = VIN, IOUT=0mA 4
Shutdown Current ISHDN 0.01 1 µA VEN = 0V 4
Regulated Output Voltage VOUT -2 2 % IOUT = 1mA, -40℃ ≤ TA ≤ 85℃ 4
Line Regulation 0.03 0.2 % VIN = VOUT + 1 V to 5.5 V, IOUT = 10 mA 4
Load Regulation 15 40 IOUT = 1 mA ~ 300 mA 4
EN pull-down resistance RPD 0.8 1 1.3 MΩ 4
EN Pin Input Current IEN 0 0.1 µA 4
IN Voltage -0.3 6.5 V 3
Other Pin Voltage (upper limit VIN + 0.3 V) -0.3 V 3
Maximum Load Current 500 mA 3
Operating Junction Temperature -40 125 °C 3
Storage Temperature -65 150 °C 3
Lead Temperature (Soldering) 260 °C 10 sec 3
VIN Input Voltage (recommended) VIN 2 6 V 3
Output Current (recommended) IOUT 0 300 mA 3
Operating Ambient Temperature (recommended) TA -40 85 °C 3
Effective Input Ceramic Capacitor Value CIN 0.47 4.7 uF 3
Effective Output Ceramic Capacitor Value COUT 0.47 4.7 uF 3
Input and Output Capacitor Equivalent Series Resistance ESR 5 100 mΩ 3
Junction to Ambient Thermal Resistance θJA 250 °C/W 3
Soft-start Time from Enable to Power On TON 25 µs from Enable to Power On 4
Current Limit ILIM 300 mA 4
Power Supply Rejection Ratio PSRR 75 dB f = 1 kHz, COUT = 1 μF, IOUT = 20 mA 4
Power Supply Rejection Ratio PSRR 65 dB f = 10 kHz, COUT = 1 μF, IOUT = 30 mA 4
Output Noise eN 45 µVRMS 10 Hz to100 kHz, IOUT = 200 mA, VOUT = 1.2 V, COUT = 1 μF 4
EN Low Threshold VENL 0.3 V 4
EN High Threshold VENH 1.5 V 4
Over-temperature Shutdown Threshold TTSD 155 ℃ 4
Over-temperature Shutdown Hysteresis TTSR 20 ℃ 4

CAD (KiCad official)

  • Symbol: SK6013SD4-18
  • Footprint: Package_DFN_QFN:UDFN-4-1EP_1x1mm_P0.65mm_EP0.48x0.48mm
  • 3D model: DFN-4-EP(1x1) (KiCad packages3D, STEP)
  • 3D model files: sk6013sd4-18-etched.step / sk6013sd4-18-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sk6013sd4-18.step / sk6013sd4-18.glb are the bare package body.

Provenance

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

  • Datasheet: Suntek datasheet (12 pp, sha256 fab50ac23fc378a1, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF