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ZTP7193YH

ZILLTEK · DC-DC Converters · TSOT-23-6L

ZTP7193YH from ZILLTEK, in a TSOT-23-6L. 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 BOOT input High-side gate drive boost input; a 0.1µF or greater capacitor from SW to BOOT powers the high-side switch, with BOOT limited to VSW-0.3V to VSW+6V.
2 GND power_in Ground reference for the controller and power stage; connect GND to a large copper area to cool the chip.
3 FB input Feedback input that senses the output through a resistive divider and regulates to a 0.6V threshold (feedback over-voltage threshold 0.72V); keep feedback connections short and direct.
4 EN input Enable input that turns the regulator on when driven high (rising threshold 1.22V typ) and off when driven low (falling threshold 1.12V typ); pull up with a 100kΩ resistor for automatic startup.
5 IN power_in Power input supplying the IC and the step-down converter switches, specified for 4.5V to 18V with absolute maximum of -0.3V to +19V; bypass to GND with a suitably large capacitor.
6 SW power_out Power switching output node that feeds the output LC filter; absolute maximum is VIN+0.3V, and a capacitor is required from SW to BOOT.

Key specifications

Parameter Value
Manufacturer ZILLTEK
Package TSOT-23-6L
Category Power Management (PMIC)
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VIN 4.5 18 V 4
Output Voltage VOUT 0.6 14 V 4
Shutdown Supply Current 3 6 µA VEN = 0V 4
Feedback Voltage VFB 0.588 0.6 0.612 V 4.5V ≤ VIN ≤ 18V 4
Upper Switch Current Limit 3.7 4.3 A Minimum Duty Cycle 4
Oscillation Frequency FOSC1 0.8 1 1.2 MHz 4
Short Circuit Oscillation Frequency FOSC2 400 500 600 KHz VFB = 0V 4
Supply Voltage (absolute maximum) VIN -0.3 19 V 2
Enable Voltage VEN -0.3 19 V 2
All Other Pins -0.3 6 V 2
Power Dissipation 1.2 W @25℃ 2
Junction Temperature 150 °C 2
Lead Temperature 260 °C 2
Storage Temperature Range -65 150 °C 2
ESD, HBM 2 KV 2
ESD, MM 200 V 2
Supply Voltage (recommended) VIN 4.5 18 V 2
Output Voltage (recommended) VOUT 0.6 V upper limit printed as VIN-4V 2
Operating Temperature Range -40 125 °C 2
Supply Current 0.7 mA VEN = 2.0V, VFB = 0.66V 4
High-Side Switch Leakage Current 10 µA VEN = 0V, VSW = 0V, TA = +125°C 4
Feedback Over-voltage Threshold 0.72 V 4
Error Amplifier Voltage Gain AEA 1000 V/V 4
High-Side Switch On-Resistance RDS(ON)1 85 mΩ 4
Low-Side Switch On-Resistance RDS(ON)2 45 mΩ 4
Lower Switch Current Limit 0 A From Drain to Source 4
Maximum Duty Cycle DMAX 83 % VFB = 0.5V 4
Minimum On Time 80 ns 4
EN Falling Threshold Voltage VEN Falling 1.12 V 4
EN Rising Threshold Voltage VEN Rising 1.22 V 4
Input Under Voltage Lockout Threshold VIN Rising 3.5 V 4
Input Under Voltage Lockout Threshold Hysteresis 200 mV 4
Soft-Start Period 1 ms 4
Thermal Shutdown 150 °C 4
Thermal Resistance, junction-to-ambient θJA 100 °C/W 2
Thermal Resistance, junction-to-case θJC 55 °C/W 2

CAD (KiCad official)

  • Symbol: ZTP7193YH
  • Footprint: Package_TO_SOT_SMD:TSOT-23-6
  • 3D model: TSOT-23-6L (KiCad packages3D, STEP)
  • 3D model files: ztp7193yh-etched.step / ztp7193yh-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ztp7193yh.step / ztp7193yh.glb are the bare package body.

Provenance

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

  • Datasheet: ZILLTEK datasheet (9 pp, sha256 aba5f527cd511808, retrieved 2026-10-19, 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