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PAM2305AABADJ

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Diodes Incorporated DC-DC Converters, TSOT-25. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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PAM2305AABADJ

Diodes Incorporated · DC-DC Converters · TSOT-25

PAM2305AABADJ from Diodes Incorporated, in a TSOT-25. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Chip main power supply pin. Input voltage range 2.5V to 5.5V (abs max 6.0V). Bypass to GND with a 10 uF ceramic capacitor placed as close as possible to this pin.
2 GND power_in Device ground reference for input, output and control signals. All voltages are referenced to this pin.
3 EN input Enable Control Input. Force this pin above VEH = 1.5V (min) to enable the converter; drive below VEL = 0.3V (max) to shut down the device (ISD < 1 uA). Do not leave floating. Abs max -0.3V to VIN.
4 VOUT/FB input Adjustable-output feedback pin. Connect to a resistor divider (R1 top, R2 to GND) from VOUT so the internal error amplifier regulates this node to the 0.6V (typ) reference: VOUT = 0.6V * (1 + R1/R2). On fixed-output part numbers this pin ties directly to VOUT through an internal divider; on the ADJ variant only the FB function is used.
5 SW power_out Switching node. Common drain of the internal P-channel main MOSFET (RDS(on) ~0.3 ohm) and N-channel synchronous rectifier (RDS(on) ~0.35 ohm). Connect to the external 4.7 uH inductor to VOUT. Peak inductor current is limited to ~1.5A. Abs max -0.3V to (VIN+0.3V).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package TSOT-25
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • PAM2305AABADJ
  • PAM2305AABADJAAB330
  • PAM2305AABADJAAB280
  • PAM2305AABADJAAB250
  • PAM2305AABADJAAB180
  • PAM2305AABADJAAB150
  • PAM2305AABADJAAB120
  • PAM2305AABADJCGFADJ
  • PAM2305AABADJCGF330
  • PAM2305AABADJCGF280
  • PAM2305AABADJCGF250
  • PAM2305AABADJCGF180
  • PAM2305AABADJCGF150
  • PAM2305AABADJCGF120
  • PAM2305AABADJBJEADJ
  • PAM2305AABADJBJE330
  • PAM2305AABADJBJE280
  • PAM2305AABADJBJE250
  • PAM2305AABADJBJE180
  • PAM2305AABADJBJE150
  • PAM2305AABADJBJE120

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 -0.3 6 V 3
EN, FB Pin Voltage (printed max is VIN) -0.3 V 3
SW Pin Voltage (printed max is VIN +0.3) -0.3 V 3
Junction Temperature 150 °C 3
Storage Temperature Range -65 150 °C 3
Soldering Temperature 300 °C 5 sec 3
Supply Voltage 2.5 5.5 V 3
Operation Temperature Range -40 85 °C 3
Junction Temperature Range -40 125 °C 3
Thermal Resistance (Junction to Case), TSOT25 (Note 1) θJC 130 °C/W 3
Thermal Resistance (Junction to Ambient), TSOT25 θJA 250 °C/W 3
Internal Power Dissipation, TSOT25 PD 400 mW 3
Input Voltage Range VIN 2.5 5.5 V 4
Regulated Feedback Voltage VFB 0.588 0.6 0.612 V 4
Regulated Output Voltage Accuracy VO -3 3 % IO = 100mA 4
Reference Voltage Line Regulation ΔVFB 0.3 %/V 4
Output Voltage Line Regulation LNR 0.2 0.5 %/V VIN = 2.5V to 5V, IO = 10mA 4
Output Voltage Load Regulation LDR 0.5 1.5 % IO = 1mA to 800mA 4
Quiescent Current IQ 40 70 µA No load 4
Shutdown Current ISD 0.1 1 µA VEN = 0V 4
Oscillator Frequency fOSC 1.2 1.5 1.8 MHz VO = 100% 4
Drain-Source On-State Resistance, P MOSFET RDS(ON) 0.3 0.45 Ω IDS = 100mA 4
Drain-Source On-State Resistance, N MOSFET RDS(ON) 0.35 0.5 Ω IDS = 100mA 4
SW Leakage Current ILSW 0.01 1 µA 4
Peak Inductor Current IPK 1.5 A VIN = 3V, VFB = 0.5V or VO = 90% 4
Oscillator Frequency (VFB = 0V or VO = 0V) fOSC 500 kHz VFB = 0V or VO = 0V 4
High Efficiency η 96 % 4
EN Threshold High VEH 1.5 V 4
EN Threshold Low VEL 0.3 V 4
EN Leakage Current IEN 0.01 µA 4
Over Temperature Protection OTP 150 °C 4
OTP Hysteresis OTH 30 °C 4

CAD (KiCad official)

  • Symbol: PAM2305AABADJ
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: TSOT-25 (KiCad packages3D, STEP)
  • 3D model files: pam2305aabadj-etched.step / pam2305aabadj-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pam2305aabadj.step / pam2305aabadj.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
pam2305aabadj.step 85 KB You want the bare part, or you mark your own boards.
pam2305aabadj-etched.step 2.3 MB You want the part with PAM2305AABADJ already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 574 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (17 pp, sha256 4916f455ea4c71db, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF