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LT3028IDHC#PBF

Analog Devices · Linear Voltage Regulators (LDO) · DFN-16-EP(3x5)

LT3028IDHC#PBF from Analog Devices, in a DFN-16-EP(3x5). 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 BYP1 passive Bypass pin for Output 1 (noise-reduction capacitor, 0.01µF used in the typical application); pin voltage limited to ±0.6V.
2 NC unconnected No connect pin.
3 OUT1 power_out Output 1 regulated output supplying up to 500mA; pin voltage limited to ±20V.
4 OUT1 power_out Output 1 regulated output supplying up to 500mA (second OUT1 pin, same net); pin voltage limited to ±20V.
5 GND power_in Ground pin shared by both regulators.
6 OUT2 power_out Output 2 regulated output supplying up to 100mA; pin voltage limited to ±20V.
7 OUT2 power_out Output 2 regulated output supplying up to 100mA (second OUT2 pin, same net); pin voltage limited to ±20V.
8 BYP2 passive Bypass pin for Output 2 (noise-reduction capacitor, 0.01µF used in the typical application); pin voltage limited to ±0.6V.
9 ADJ2 input Adjust pin for Output 2 with 1.22V reference (typ.); pin voltage limited to ±7V.
10 SHDN2 input Shutdown control for Output 2; pin voltage limited to ±20V.
11 IN2 power_in Input supply for Output 2, operating 1.8V to 20V; pin voltage limited to ±20V.
12 IN2 power_in Input supply for Output 2 (second IN2 pin, same net), operating 1.8V to 20V; pin voltage limited to ±20V.
13 IN1 power_in Input supply for Output 1, operating 1.8V to 20V; pin voltage limited to ±20V.
14 IN1 power_in Input supply for Output 1 (second IN1 pin, same net), operating 1.8V to 20V; pin voltage limited to ±20V.
15 SHDN1 input Shutdown control for Output 1; pin voltage limited to ±20V.
16 ADJ1 input Adjust pin for Output 1 with 1.22V reference (typ.); pin voltage limited to ±7V.
17 GND power_in Exposed pad is GND and must be soldered to the PCB.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package DFN-16-EP(3x5)
Category Power Management ICs
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 Output 2 VIN 1.8 2.3 V Output 2, ILOAD = 100mA, full temp range 2
Minimum Input Voltage Output 1 VIN 1.8 2.3 V Output 1, ILOAD = 500mA, full temp range 2
ADJ Pin Voltage VADJ 1.205 1.22 1.235 V VIN = 2V, ILOAD = 1mA 2
ADJ Pin Voltage Output 2 VADJ 1.19 1.22 1.25 V Output 2, 2.3V < VIN2 < 20V, 1mA < ILOAD < 100mA 2
ADJ Pin Voltage Output 1 VADJ 1.19 1.22 1.25 V Output 1, 2.3V < VIN1 < 20V, 1mA < ILOAD < 500mA 2
Line Regulation 1 10 mV ΔVIN = 2V to 20V, ILOAD = 1mA 2
Load Regulation Output 2 1 12 mV VIN2 = 2.3V, ΔILOAD = 1mA to 100mA 2
Load Regulation Output 2 (full temp) 25 mV VIN2 = 2.3V, ΔILOAD = 1mA to 100mA 2
Load Regulation Output 1 1 12 mV VIN1 = 2.3V, ΔILOAD = 1mA to 500mA 2
Load Regulation Output 1 (full temp) 25 mV VIN1 = 2.3V, ΔILOAD = 1mA to 500mA 2
Dropout Voltage Output 2 0.3 0.35 V ILOAD = 100mA 3
Dropout Voltage Output 2 (full temp) 0.45 V ILOAD = 100mA 3
Dropout Voltage Output 1 0.32 0.37 V ILOAD = 500mA 3
Dropout Voltage Output 1 (full temp) 0.47 V ILOAD = 500mA 3
GND Pin Current Output 2 25 50 µA ILOAD = 0mA 3
GND Pin Current Output 2 2.2 4 mA ILOAD = 100mA 3
GND Pin Current Output 1 30 75 µA ILOAD = 0mA 3
GND Pin Current Output 1 10 16 mA ILOAD = 500mA 3
Output Voltage Noise 20 µVRMS COUT = 10µF, CBYP = 0.01µF, ILOAD = Full Current, BW = 10Hz to 100kHz 3
ADJ Pin Bias Current 30 100 nA ADJ1, ADJ2 3
Shutdown Threshold (Off to On) 0.8 1.4 V VOUT = Off to On 3
Shutdown Threshold (On to Off) 0.25 0.65 V VOUT = On to Off 3
SHDN Pin Current 0 0.5 µA VSHDN1, VSHDN2 = 0V 3
SHDN Pin Current 1 3 µA VSHDN1, VSHDN2 = 20V 3
Quiescent Current in Shutdown 0.01 0.1 µA VIN = 6V, VSHDN1 = 0V, VSHDN2 = 0V 3
Ripple Rejection 55 65 dB VIN = 2.72V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = Full Current 3
Current Limit Output 2 500 mA VIN2 = 7V, VOUT2 = 0V 3
Current Limit Output 2 110 mA VIN2 = 2.3V, ΔVOUT2 = -0.1V 3
Current Limit Output 1 1.3 A VIN1 = 7V, VOUT1 = 0V 3
Current Limit Output 1 520 mA VIN1 = 2.3V, ΔVOUT1 = -0.1V 3
Input Reverse Leakage Current 1 mA VIN = -20V, VOUT = 0V 3
IN1, IN2 Pin Voltage -20 20 V 2
OUT1, OUT2 Pin Voltage -20 20 V 2
Input-to-Output Differential Voltage -20 20 V 2
ADJ1, ADJ2 Pin Voltage -7 7 V 2
BYP1, BYP2 Pin Voltage -0.6 0.6 V 2
SHDN1, SHDN2 Pin Voltage -20 20 V 2
Operating Junction Temperature Range TJ -40 125 °C LT3028I 2
Storage Temperature Range (DHC) -65 125 °C DHC Package 2
Lead Temperature (Soldering, 10 sec) 300 °C 2
Thermal Resistance Junction-to-Ambient θJA 40 °C/W DHC package, TJMAX = 125°C 2
Thermal Resistance Junction-to-Case θJC 10 °C/W DHC package, at Exposed Pad 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts COPPER Table 1. FE Package, 16-Lead TSSOP COPPER AREA THERMAL RESISTANCE 13

CAD (KiCad official)

  • Symbol: LT3028IDHC#PBF
  • Footprint: Package_DFN_QFN:DFN-16-1EP_3x5mm_P0.5mm_EP1.66x4.4mm
  • 3D model: DFN-16-EP(3x5) (KiCad packages3D, STEP)
  • 3D model files: lt3028idhc-pbf-etched.step / lt3028idhc-pbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt3028idhc-pbf.step / lt3028idhc-pbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (16 pp, sha256 cd20ff65314e917e, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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