Mfr Part #:

TPS3705-33DR

The Texas Instruments TPS3705-33DR is a supervisor IC designed for processor systems. It features a 2.93V operating voltage and a 140ms minimum reset timeout.

✓ Total Stock: 151,870 pcs

$ Price Range: $0.95

TPS3705-33DR Available from 8 distributors

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Romaks Technologies ✓ Non-Authorised Inventory information	120,533 pcs On Request	120533 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	20,000 pcs On Request	20000 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
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Components Technology Group, Inc. ✓ Non-Authorised Inventory information	2,500 pcs On Request	2500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
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MW.FEP S.p.A. ✓ Non-Authorised Inventory information	45 pcs On Request	45 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
PROSOFT ELECTRONICS ✓ Non-Authorised Inventory information	3 pcs On Request	3 pcs	On Request	1	On Request	On Request	13+	On Request	On Request

TPS3705-33DR Description

Short technical summary and product information.

The Texas Instruments TPS3705-33DR is a supervisor IC from the TPS370x-xx family, providing circuit initialization and timing supervision for DSP and processor-based systems. It operates with a single voltage monitor and features an active-low reset output.

Key electrical specifications include an operating voltage of 2.93V and a minimum reset timeout of 140ms. The device also includes an integrated watchdog timer, a feature specific to the TPS3705-xx variants. It has a maximum supply current of 50 µA.

This supervisor IC is available in an 8-SOIC package with surface mount mounting type. The operating temperature range is specified as -40°C to 85°C (TA), with a broader range of -40°C to 125°C for TPS3705-33 variants. It is pin-for-pin compatible with the MAX705 through MAX708 series.

TPS3705-33DR Quick Information

Product Type: Supervisor IC

Series: TPS3705

Canonical Name: Texas Instruments TPS3705-33DR Supervisor IC

Subcategory: Reset & Watchdog ICs

TPS3705-33DR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

TPS3705-33DR Estimated Pricing

Qty	Low	High
1+	$0.95	$0.95

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS3705-33DR Features

Integrated watchdog timer for system supervision.
Fixed 200 ms power-on reset delay.
Precision 2.93V supply voltage monitor.
Active-low push-pull, totem pole output.
8-SOIC surface mount package.

TPS3705-33DR Applications

Ideal for microprocessor power supervision.
Used in embedded control systems.
Suitable for portable battery-powered devices.
Applicable in industrial automation equipment.
Designed for reliable power-on reset generation.

TPS3705-33DR FAQs

7 frequently asked questions generated from this part’s specifications.

What voltage threshold does the TPS3705-33DR monitor?

2.93V

What type of reset output does the TPS3705-33DR provide?

Active Low, Push-Pull/Totem Pole

What is the minimum reset timeout of the TPS3705-33DR?

140ms

What is the power-on reset delay of the TPS3705-33DR?

200ms, no external capacitor needed

Does the TPS3705-33DR include a watchdog timer?

Yes

What package is the TPS3705-33DR available in?

8-SOIC (0.154", 3.90mm Width) surface mount

What is the operating temperature range of the TPS3705-33DR?

-40°C to 125°C

Category	Supervisors
Manufacturer Name	Texas Instruments
Lead Spacing	1.27 mm
Lead Style	Gull Wing
Mounting Type	Surface Mount
Number of Voltages Monitored	1
Operating Temperature	-40°C ~ 85°C
Operating Temperature Range	-40°C to 125°C
Output	Push-Pull, Totem Pole
Reset	Active Low
Reset Timeout	140ms Minimum
Supplier Device Package	8-SOIC
Supply Current	50 µA
Tape & Reel	Yes
Type	Simple Reset/Power-On Reset
Voltage	2.93V