LM317DCYR vs LM317QDCYRQ1 Comparison

Detailed side-by-side comparison of LM317DCYR by Texas Instruments and LM317QDCYRQ1 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
LM317QDCYRQ1 LM317QDCYRQ1 - 500mA 40V Adjustable LDO | TI | Automotive

LM317QDCYRQ1 - 500mA 40V Adjustable LDO | TI | Automotive

LM317QDCYRQ1 ✓ Active

Specification Comparison

Parameter LM317DCYR LM317QDCYRQ1
Brand Texas Instruments Texas Instruments
Category Voltage Regulators Voltage Regulators
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.21 $0.31
Output Type Adjustable positive Positive Adjustable
Output Voltage Range 1.25 V to 37 V —
Maximum Output Current > 1.5 A 500 mA
Maximum Input Voltage 40 V 40 V
Line Regulation 0.01% (typical) [DATA_NEEDED: line regulation]
Load Regulation 0.1% (typical) [DATA_NEEDED: load regulation]
Reference Voltage 1.25 V (VOUT to ADJ) 1.25 V (typical, LM317 family)
Dropout Voltage Approximately 2.5 V at 1.5 A load —
Protection Features Current limiting, thermal overload, safe-area compensation Thermal shutdown, current limit (LM317 family)
Operating Junction Temperature 0C to +125C —
Package SOT-223-4 (DCY) SOT-223-4 (DCY)
Mounting Type Surface Mount Surface Mount
Number of Terminals 4 (3-terminal regulator + tab) —
External Components 2 resistors set output voltage —
RoHS Status Compliant [DATA_NEEDED: RoHS status]
Quiescent Current [DATA_NEEDED: quiescent/adjustment pin current] —
Number of Outputs — 1
Regulation Type — Linear (series pass)
Qualification — Automotive (AEC-Q100, Q1)
Operating Temperature — [DATA_NEEDED: operating temperature range]
Quiescent / ADJ Pin Current — [DATA_NEEDED: ADJ pin current]
Thermal Resistance (theta_JA) — [DATA_NEEDED: theta_JA]

Datasheets & Resources

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