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PQ1X501M2ZP
Sharp Microelectronics
IC REG LINEAR 5V 150MA SOT23-5
4129 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-5
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5.0 / 5.0
- (322 Ratings)
PQ1X501M2ZP
Product Overview
7930140
DiGi Electronics Part Number
PQ1X501M2ZP-DGManufacturer
Sharp Microelectronics
PQ1X501M2ZP
Description
IC REG LINEAR 5V 150MA SOT23-5Inventory
4129 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-5
Quantity
Minimum 1
Minimum 1
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PQ1X501M2ZP Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
-
Series
-
Product Status
Obsolete
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
9V
Voltage - Output (Min/Fixed)
5V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.4V @ 150mA
Current - Output
150mA
Current - Quiescent (Iq)
200 µA
PSRR
70dB (400Hz)
Control Features
Enable
Protection Features
Over Current, Over Temperature
Operating Temperature
-30°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
Base Product Number
PQ1X
Datasheet & Documents
HTML Datasheet
PQ1X501M2ZP-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
425-1720-2
425-1720-1
Standard Package
3,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Their team's professionalism and warmth are truly appreciated.
December 02, 2025
I appreciate their prompt shipping; it exceeded my expectations.
December 02, 2025
As a regular customer, I can confidently say their prices are unbeatable and environmentally responsible.
December 02, 2025
The checkout page loads swiftly, reducing wait time.
December 02, 2025
DiGi Electronics demonstrates a strong focus on customer care beyond the sale.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when designing in the PQ1X501M2ZP linear regulator for a battery-powered industrial sensor node, given its obsolete status and RoHS non-compliance?
The PQ1X501M2ZP is marked obsolete by Sharp Microelectronics, which introduces long-term supply chain and lifecycle risks—especially critical for industrial applications with extended product lifecycles. Its RoHS non-compliant status may prevent use in new EU-based designs or require special exemptions. Additionally, while the part offers low quiescent current (200 µA), newer alternatives like the LP2985-50DBVR provide better efficiency, lower Iq (~80 µA), and active supply chain support. For new designs, consider qualifying a drop-in replacement early to avoid last-time-buy dependency and ensure compliance with environmental regulations.
Can the PQ1X501M2ZP safely replace an LP2985-50DBVR in an existing 5V, 100mA load application, and what design trade-offs should I evaluate?
While the PQ1X501M2ZP and LP2985-50DBVR both offer fixed 5V output, 150mA capability, and SOT-23-5 packaging, direct replacement requires careful evaluation. The PQ1X501M2ZP has a higher dropout voltage (0.4V vs. 0.2V for the LP2985) and higher quiescent current (200 µA vs. ~80 µA), reducing efficiency in low-power modes. It also lacks the LP2985’s enable pin logic compatibility in some variants. If your system operates near the input voltage margin or prioritizes battery life, the PQ1X501M2ZP may degrade performance. Verify enable logic levels, thermal behavior under load, and confirm long-term availability before committing to the swap.
How does the thermal performance of the PQ1X501M2ZP limit its use in compact enclosures with elevated ambient temperatures, and what derating strategy is recommended?
The PQ1X501M2ZP in SOT-23-5 has limited thermal dissipation due to its small package and lack of exposed pad. At 85°C ambient and full 150mA load with a 4V input (9V in, 5V out), power dissipation reaches 0.6W, pushing the junction temperature close to or beyond its 125°C limit without adequate copper pour. In compact or sealed enclosures, this can trigger thermal shutdown or reduce lifespan. To mitigate risk, derate the output current above 70°C ambient, increase PCB copper area under the device, and avoid continuous full-load operation in high-temperature environments. Consider a switching regulator alternative if thermal headroom is insufficient.
What input voltage conditions could cause instability or premature failure in the PQ1X501M2ZP, and how should input filtering be designed to avoid these issues?
Although the PQ1X501M2ZP supports up to 9V input, operating near this maximum with transient spikes (e.g., from unregulated wall adapters or automotive environments) risks exceeding absolute maximum ratings and accelerating wear. The PSRR of 70dB at 400Hz is adequate for low-frequency noise but insufficient for high-frequency switching interference. To ensure stability, use a low-ESR ceramic capacitor (≥1µF) close to the input pin and consider adding a small ferrite bead or TVS diode if input transients are expected. Avoid long input traces that act as antennas for noise, which can couple into the feedback path and cause output ripple or oscillation.
Is the PQ1X501M2ZP suitable for always-on microcontroller power in a 24/7 IoT gateway, considering its quiescent current and long-term reliability?
The PQ1X501M2ZP’s 200 µA quiescent current is relatively high for always-on IoT applications where microamps matter for battery or energy-harvesting systems. Over a year, this alone can consume over 1.75Ah from a battery—significant in low-power designs. While it includes over-current and over-temperature protection, its obsolete status raises concerns about long-term reliability and support. For new designs, prefer modern ultra-low-Iq regulators like the TPS7A05 (25 µA) or MAX38902A (360 nA). If reusing PQ1X501M2ZP in legacy systems, monitor thermal cycling and consider periodic health checks, as aging in linear regulators can affect output accuracy and dropout performance over time.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
PQ1X501M2ZP CAD Models
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