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MCP1700-1502E/TO
Microchip Technology
IC REG LINEAR 1.5V 200MA TO92-3
3355 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA TO-92-3
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5.0 / 5.0
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MCP1700-1502E/TO
Product Overview
1359743
DiGi Electronics Part Number
MCP1700-1502E/TO-DGManufacturer
Microchip Technology
MCP1700-1502E/TO
Description
IC REG LINEAR 1.5V 200MA TO92-3Inventory
3355 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA TO-92-3
Quantity
Minimum 1
Minimum 1
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MCP1700-1502E/TO Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
Bag
Series
-
Product Status
Active
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
6V
Voltage - Output (Min/Fixed)
1.5V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.35V @ 200mA
Current - Output
200mA
Current - Quiescent (Iq)
4 µA
PSRR
44dB (100Hz)
Control Features
-
Protection Features
Over Current, Over Temperature, Short Circuit
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package
TO-92-3
Base Product Number
MCP1700
Datasheet & Documents
Manuals
Development Tools Catalog
HTML Datasheet
MCP1700-1502E/TO-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
MCP1700-1502E/TO-NDR
Standard Package
1,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
신속한 배송과 친절한 고객센터 덕분에 자주 이용하게 되는 회사입니다. 믿고 구매할 수 있어요.
Dec 02, 2025
I appreciate the consistent quality that DiGi Electronics provides.
Dec 02, 2025
Always impressed by their prices and warm customer interactions.
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Frequently Asked Questions (FAQ)
Can the MCP1700-1502E/TO safely replace a low-quiescent-current LDO in a battery-powered IoT sensor node that operates down to 2.0V input, and what are the risks if the system occasionally draws near 200mA peaks?
The MCP1700-1502E/TO is not suitable for direct replacement in this scenario due to its minimum input voltage requirement of 1.85V (1.5V output + 0.35V dropout). If your system operates at 2.0V input with transient loads approaching 200mA, the regulator may enter dropout or trigger over-current protection during peaks, causing voltage sag or reset. Additionally, while its 4 µA quiescent current is excellent, competing parts like the TPS7991.5 (Texas Instruments) or ADP160 (Analog Devices) offer better transient response and lower dropout under load. For reliable operation, ensure headroom >0.4V above 1.5V during peak current, or consider a more robust LDO with dynamic load regulation.
What design considerations should I account for when using the MCP1700-1502E/TO in an industrial environment with ambient temperatures reaching 110°C, especially regarding thermal derating and long-term reliability?
Although the MCP1700-1502E/TO is rated for operation up to 125°C junction temperature, at 110°C ambient, the TO-92 package’s limited thermal dissipation (~130°C/W) severely restricts usable output current. At 200mA and 6V input (4.5V dropout), power dissipation reaches 0.9W, pushing the junction well above safe limits. You must derate the output current significantly—likely below 50mA—or add a small heatsink. Long-term reliability also degrades due to electromigration and bond wire stress at high temperatures. Consider switching to a thermally enhanced package like SOT-223 (e.g., MCP1700T-1502E/SN) or use a switching regulator for higher efficiency in hot environments.
Is the MCP1700-1502E/TO a drop-in replacement for the older LM2936-1.5 in a legacy through-hole design, and what hidden compatibility issues might arise despite similar pinouts?
While the MCP1700-1502E/TO shares a compatible TO-92-3 pinout with the LM2936-1.5, it is not a true drop-in replacement due to key differences. The LM2936 has a higher quiescent current (~15 µA) but better PSRR (~60dB at 1kHz) and faster transient response, making it more stable with marginal output capacitors. The MCP1700-1502E/TO requires a minimum 1µF ceramic output cap with low ESR (<1Ω); using the LM2936’s original tantalum capacitor could cause instability. Also, the MCP1700’s enable feature is absent—if your circuit relies on shutdown mode, you’ll need to add external logic. Always validate stability with your actual load and capacitance before full migration.
How does the MCP1700-1502E/TO perform in noise-sensitive analog front-end applications compared to ultra-low-noise LDOs like the LT3042, and can it be used without additional filtering?
The MCP1700-1502E/TO has a PSRR of only 44dB at 100Hz, which is insufficient for high-precision analog circuits (e.g., 24-bit ADCs or RF receivers) where power supply noise must be below 10µV RMS. In contrast, the LT3042 offers >70dB PSRR and noise as low as 0.8µV RMS. Using the MCP1700-1502E/TO without additional filtering risks coupling switching noise from upstream DC-DC converters into sensitive stages. If you must use it, add a π-filter (LC or RC) at the input and a low-ESR ceramic capacitor at the output, and keep traces short. For critical applications, upgrade to a dedicated low-noise LDO or implement post-regulation with a ferrite bead and bypass network.
What are the risks of paralleling two MCP1700-1502E/TO regulators to increase current capacity beyond 200mA in a cost-sensitive design, and why is this generally discouraged?
Paralleling MCP1700-1502E/TO devices to exceed 200mA is strongly discouraged due to lack of current-sharing mechanisms and tight manufacturing tolerances on output voltage (±2%). Even minor differences in Vout (e.g., 1.49V vs 1.51V) cause one regulator to carry most of the load, leading to localized overheating and premature failure. The TO-92 package’s thermal resistance exacerbates this imbalance under load. Additionally, the internal feedback loop isn’t designed for load sharing, increasing risk of oscillation. Instead of paralleling, select a single regulator rated for your required current—such as the MCP1825S-1502E/DB (500mA, SOT-223)—or use a small DC-DC converter for better efficiency and reliability in higher-current applications.
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MCP1700-1502E/TO CAD Models
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