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LF33ABDT-TR
Linear Voltage Regulator IC, Fixed, 1 Output, 500mA, DPAK-2
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ManufacturerSTMICROELECTRONICS
Manufacturer Part NoLF33ABDT-TR
Newark Part No.26M0226
Product Range3.3V 0.5A LDO Voltage Regulators
Technical Datasheet
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Product Information
ManufacturerSTMICROELECTRONICS
Manufacturer Part NoLF33ABDT-TR
Newark Part No.26M0226
Product Range3.3V 0.5A LDO Voltage Regulators
Technical Datasheet
Output TypeFixed
Input Voltage Min3V
Input Voltage Max16V
No. of Outputs1Outputs
Fixed Output Voltage Nom3.3V
Adjustable Output Voltage Min-
Output Voltage - Nom3.3V
Output Voltage Nom3.3V
Adjustable Output Voltage Max-
Output Voltage Min-
Output Current500mA
Output Voltage Max-
Dropout Voltage Vdo400mV
PolarityPositive Output
Output Current Max500mA
Output Current Max500mA
LDO Regulator Case StyleTO-252 (DPAK)
Max Output Current500mA
Dropout Voltage Typ @ Current400mV
Dropout Voltage - Typ @ Current400mV
Dropout Voltage Typ @ Current400mV
IC MountingSurface Mount
IC Case / PackageTO-252 (DPAK)
No. of Pins3Pins
Operating Temperature Min-40°C
Operating Temperature Max125°C
Product Range3.3V 0.5A LDO Voltage Regulators
MSL-
SVHCNo SVHC (21-Jan-2025)
Product Overview
LF33ABDT-TR is a very low drop regulator in a DPAK package. The low drop voltage (0.45 V) and low quiescent current make it particularly suitable for low-noise, low-power applications and especially in battery powered systems. In the three terminal configuration, the device has the same electrical performance, but it is fixed in ON state. It requires a capacitor of only 2.2 µF for stability, saving board space and costs.
- Very low quiescent current (typical 50µA in OFF mode, 500µA in ON mode)
- Output current up to 500mA
- Logic-controlled electronic shutdown
- Output voltage of 3.3V
- Internal current and thermal limit
- Supply voltage rejection: 80db (typical)
- Temperature range from -40 to 125°C
Technical Specifications
Output Type
Fixed
Input Voltage Max
16V
Fixed Output Voltage Nom
3.3V
Output Voltage - Nom
3.3V
Adjustable Output Voltage Max
-
Output Current
500mA
Dropout Voltage Vdo
400mV
Output Current Max
500mA
LDO Regulator Case Style
TO-252 (DPAK)
Dropout Voltage Typ @ Current
400mV
Dropout Voltage Typ @ Current
400mV
IC Case / Package
TO-252 (DPAK)
Operating Temperature Min
-40°C
Product Range
3.3V 0.5A LDO Voltage Regulators
SVHC
No SVHC (21-Jan-2025)
Input Voltage Min
3V
No. of Outputs
1Outputs
Adjustable Output Voltage Min
-
Output Voltage Nom
3.3V
Output Voltage Min
-
Output Voltage Max
-
Polarity
Positive Output
Output Current Max
500mA
Max Output Current
500mA
Dropout Voltage - Typ @ Current
400mV
IC Mounting
Surface Mount
No. of Pins
3Pins
Operating Temperature Max
125°C
MSL
-
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Legislation and Environmental
US ECCN:EAR99
EU ECCN:Unknown
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (21-Jan-2025)
Download Product Compliance Certificate
Product Compliance Certificate