LF33ABDT-TR in Reel by STMicroelectronics | Linear Regulators | Future Electronics
text.skipToContent text.skipToNavigation

warning.svgOrders shipping outside of United States will be on hold while the company evaluates tariff impacts.
Please contact your salesperson for assistance.

  1. home
  2. Semiconductors
  3. Analog
  4. Regulators & References
  5. Linear Regulators
  6. LF33ABDT-TR

STMicroelectronics | LF33ABDT-TR

Manufacturer Part #

LF33ABDT-TR

LFXX Series 500 mA 3.3 V Fixed VLDO Voltage Regulator with Inhibit - TO-252

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
Date Code: 2514
Product Specification Section
STMicroelectronics LF33ABDT-TR - Technical Attributes
Attributes Table
Input Voltage-Min: 2.5V
Input Voltage-Max: 16V
Output Voltage Fixed: 3.3V
Dropout Voltage-Max: 0.7V
Output Current-Max: 500mA
Tolerance (%): ±1%
Operating Temp Range: -40°C to +125°C
Regulator Topology: Fixed
Quiescent Current: 100µA
No. of Outputs: Single
Output Noise: 50µV
Load Regulation: 16mV
Line Regulation: 16mV
Package Style:  TO-252-3 (DPAK)
Mounting Method: Surface Mount
Features & Applications
The LF33ABDT-TR is a very low drop regulators available in PENTAWATT, TO-220, TO-220FP, DPAK and PPAK package and in a wide range of output voltages. The very low drop voltage (0.45 V) and the very low quiescent current make them particularly suitable for low noise, low power applications and specially in battery powered systems.

In the 5 pins configuration (PENTAWATT and PPAK) a shutdown logic control function is available (pin 2, TTL compatible). This means that when the device is used as a local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. In the three terminal configuration the device has the same electrical performance, but is fixed in the ON state. It requires only a 2.2 μF capacitor for stability allowing space and cost saving.

Features:

  • Very low dropout voltage (0.45 V)
  • Very low quiescent current (typ. 50 μA in OFF mode, 500 μA in ON mode)
  • Output current up to 500 mA
  • Logic-controlled electronic shutdown
  • Output voltages of 1.5; 1.8; 2.5; 3.3; 4.7; 5; 6; 8; 8.5; 9; 12 V
  • Automotive Grade product: 1.8 V, 2.5 V, 3.3 V, 5.0 V, 8.0 V, 8.5 V VOUT in DPAK and PPAK packages
  • Internal current and thermal limit
  • Only 2.2 μF for stability
  • Available in ± 1% (AB) or ± 2% (C) selection at 25 °C
  • Supply voltage rejection: 80 db (typ.)
  • Temperature range: -40 to 125 °C
Read More...
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
-1
Factory Lead Time:
12 Weeks
Minimum Order:
5000
Multiple Of:
2500
Total
$2,975.00
USD
Quantity
Unit Price
2,500
$0.61
5,000+
$0.595
Product Variant Information section
Related Products
LF33CDT-TR
LF33CDT-TR
STMicroelectronics
LFXX Series 500 mA 3.3 V Fixed VLDO Voltage Regulator with Inhibit - TO-252
As low as: $0.265 (USD)
LF33CDT-TR
LF33CDT-TR
STMicroelectronics
LFXX Series 500 mA 3.3 V Fixed VLDO Voltage Regulator with Inhibit - TO-252
As low as: $0.265 (USD)