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CL9906A18F4N

Public Made by Adom

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CHIPLINK(芯联) , DFN-4(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Datasheet

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Contents

README

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CL9906A18F4N

CHIPLINK(芯联) · IC · DFN-4(1x1)

CL9906A18F4N from CHIPLINK(芯联), in a DFN-4(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 VOUT power_out Regulated output terminal; the absolute VOUT voltage limit is GND-0.3 V to VIN+0.3 V, and output current is up to 250 mA for the A18 (1.8 V) variant.
2 GND power_in Ground terminal of the regulator.
3 NC unconnected No-connect pin (listed as 空脚, empty pin) on the DFN1*1-4 package, so it is left unconnected.
4 VIN power_in Power supply input; the absolute maximum VIN is -0.3 V to +7.0 V and the stated operating input voltage is up to 5.5 V.
5 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer CHIPLINK(芯联)
Package DFN-4(1x1)
Category
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 VIN 5.5 V 5
VIN pin voltage (absolute maximum) VIN -0.3 7 V 3
VOUT pin current IOUT 500 mA Note (1): IOUT ≤ Pd/(VIN-VOUT) 3
Operating ambient temperature Topr -25 85 C 3
Storage temperature Tstg -40 125 C 3
Soldering temperature and time Tsolder 260 C 10 s 3
ESD level, human body model 4000 V Human body model 3
ESD level, machine model 400 V Machine model 3
Latch-up level 400 mA 3
Output voltage VOUT 1.764 1.8 1.836 V VIN=3.3V, IOUT=30mA 5
Maximum output current IOUT (max) 250 mA VIN=3.3V 5
Load regulation ΔVOUT 15 mV VIN=3.3V, 1mA≤IOUT≤100mA 5
Load regulation ΔVOUT 30 mV VIN=3.3V, 1mA≤IOUT≤200mA 5
Dropout voltage (Vdif1) Vdif1 70 mV IOUT=30mA 5
Dropout voltage (Vdif2) Vdif2 240 mV IOUT=100mA 5
Line regulation ΔVOUT/(ΔVIN*VOUT) 0.05 %/V IOUT=30mA, 3.3V≤VIN≤7V 5
Short-circuit current ISHORT 50 mA VIN=3.3V 5
Overcurrent protection current ILIMIT 300 mA VIN=3.3V 5
Quiescent current IQ 1 uA 5

CAD (KiCad official)

  • Symbol: CL9906A18F4N
  • Footprint: Package_DFN_QFN:UDFN-4-1EP_1x1mm_P0.65mm_EP0.48x0.48mm
  • 3D model: DFN-4(1x1) (KiCad packages3D, STEP)
  • 3D model files: cl9906a18f4n-etched.step / cl9906a18f4n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cl9906a18f4n.step / cl9906a18f4n.glb are the bare package body.

Provenance

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

  • Datasheet: CHIPLINK(芯联) datasheet (12 pp, sha256 933792ac3fa5c996, retrieved 2026-10-24, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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