TL7705A
Supply Voltage Supervisor Reset ControllerThe TL7705A is a supply voltage supervisor reset controller from STMicroelectronics. View the full TL7705A datasheet below including key specifications, electrical characteristics.
TL7705A shares its datasheet with TL7700A, whose page lists every part number it covers.
Official TL7705A datasheet (PDF) — the source this page was extracted from.
Manufacturer
STMicroelectronicsCategory
Power ManagementTL7705A Key Specifications
| Parameter | Value |
|---|---|
| Reset Outputs | RESET (active high) and RESET complement (active low) |
| Supply Current | 1.8mA typ, 3.3mA max |
| Reference Voltage | 2.48V to 2.58V (typ 2.53V) |
| Output Pulse Width | 1.3ms typ with CT=0.1uF (tpo = 1.3x10^4 x CT) |
| Reset Output Current | 16mA recommended (30mA absolute max) |
| Supply Voltage Range | 3.6V to 18V (recommended); 3V to 18V (feature list) |
| Output Low Voltage (RESET) | 0.4V typ at 16mA |
| SENSE Hysteresis (TL7705A) | 15mV typ |
| Absolute Max Supply Voltage | 20V |
| Operating Temperature Range | -25C to 85C (TL7705AI); 0C to 70C (TL7705AC) |
| Propagation Delay RESIN To RESET | 1us max |
| Max SENSE Input Voltage (TL7705A) | 10V |
| SENSE Threshold Voltage (TL7705A) | 4.5V to 4.6V (typ 4.55V at 25C) |
| Junction-Ambient Thermal Resistance | 120 C/W max |
TL7705A Overview
Part: TL7700A Series — STMicroelectronics
Type: Supply Voltage Supervisor
Description: Monolithic supply voltage supervisor ICs designed as reset controllers for microcomputer and microprocessor systems, featuring a wide 3V to 18V supply voltage range, precision voltage sensing, and externally adjustable reset pulse width.
Operating Conditions:
- Supply voltage: 3.6–18 V
- Operating temperature: -25 to 85 °C (TL77XXAI), 0 to 70 °C (TL77XXAC)
- High-level Input Voltage at RESIN: 2 V
- Low-level Input Voltage at RESIN: 0.6 V
Absolute Maximum Ratings:
- Max supply voltage: 20 V
- Max continuous current: 30 mA (output)
- Max storage temperature: -65 to 150 °C
Key Specs:
- Reference Voltage (Vref): 2.48 V (min), 2.53 V (typ), 2.58 V (max) at Tamb = 25 °C
- Threshold Voltage at SENSE Input (TL7702A): 2.45 V (min), 2.53 V (typ), 2.58 V (max) for Vs = 3.6V to 18V
- Threshold Voltage at SENSE Input (TL7705A): 4.45 V (min), 4.55 V (typ), 4.6 V (max) for Vs = 3.6V to 18V
- Hysteresis at SENSE Input (TL7702A): 10 mV (typ)
- Supply Current (IS): 1.8 mA (typ), 3.3 mA (max)
- High-level Output Voltage (VOH): Vs - 1.5 V (min) at IOH = -16mA
- Low-Level Output Voltage (VOL): 0.4 V (typ) at IOL = 16mA
- Pulse Width at Output (tpo): 0.65 ms (min), 1.3 ms (typ), 2.6 ms (max) for CT = 0.1 μF
Features:
- Power-on reset generator
- Wide supply voltage range
- Precision voltage sensor
- Temperature-compensated voltage reference
- True and complement reset outputs
- Externally adjustable pulse width
- Automatic reset generation after voltage drop
Applications:
- Reset controllers in microcomputer and microprocessor systems
Package:
- Minidip
- S08
TL7705A Electrical Characteristics
Tamb = -25 to 85 o C (TLXXAI), Tamb = 0 to 70 o C (TL77XXAC)
| Symbol | Parameter | Parameter | Test Conditions (1) | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|---|
| V OH | High-level Output Voltage at RESET | High-level Output Voltage at RESET | I OH = -16mA | V s - 1.5 | V | ||
| V OL | Low-Level Output Voltage at RESET | Low-Level Output Voltage at RESET | I OL = 16mA | 0.4 | V | ||
| V ref | Reference Voltage | Reference Voltage | T amb = 25 o C | 2.48 | 2.53 | 2.58 | V |
| V T | Threshold Voltage at SENSE Input | TL7702A TL7705A | V s = 3.6V to 18V T amb = 25 o C | 2.48 4.5 | 2.53 4.55 | 2.58 4.6 | V |
| V T | Threshold Voltage at SENSE Inpu | TL7702A TL7705A | V s = 3.6V to 18V | 2.45 4.45 | 2.53 4.55 | 2.58 4.6 | V |
| V T+ , V T- | Hysteresis (2) at SENSE Input | TL7702A TL7705A | V s = 3.6V to 18V T amb = 25 o C | Product(s) | 10 15 | mV | |
| I I | Input Current at RESIN Input | Input Current at RESIN Input | V i = 2.4V to V S V i = 0.4V | 20 -100 | m A | ||
| I I | Input Current at SENSE Input | TL7702A | V ref < V i < V s - 1.5V | 0.5 | 2 | m A | |
| I OH | High-level Output Current at RESET | High-level Output Current at RESET | V O = 18V | 50 | m A | ||
| I OL | Low-level Output Current at RESET | Low-level Output Current at RESET | V O = 0V | -50 | m A | ||
| I S | Supply Current | Supply Current | All Inputs and out. open | 1.8 | 3.3 | mA |
| Symbol | Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| t pi | Pulse Width at SENSE Input | - - - V ih = V ityp +0.04 x V i V iL = V ityp -0.04 x V i | 0.9 | m s | ||
| t pi | Pulse Width at RESIN Input | 0.4 | m s | |||
| t po | Pulse Width at Output | C T = 0.1 m F | 0.65 | 1.3 | 2.6 | ms |
| t pdHL | Propagation Delay Time from RESIN to RESET | C L = 100pF, V s = 5V, R L = 4.7k W | 1 | m s | ||
| t r/f | Rise/Falltime at RESET and RESET | C L = 10pF, V s = 5V, R L = 4.7k W | 1 | m s |
Obsolete Product(s) - Obsolete Product(s) Notes : 1. All characteristics are measured with C = 0.1 m F from Pin 1 to GND, and with C = 0.1 m F from Pin 3 to GND. 2. Hysteresis is the difference between the positive going input threshold voltage. VT+, and the negative going input threshold voltage, VT-. SWITCHING CHARACTERISTICS Obsolete Product(s) - Obsolete Product(s)
Figure 1 : Reset Controller for m P
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
| DIM. | mm | mm | mm | inch | inch | inch |
|---|---|---|---|---|---|---|
| DIM. | MIN. | TYP. | MAX. | MIN. | TYP. | MAX. |
| A | 1.75 | 0.069 | ||||
| a1 | 0.1 | 0.25 | 0.004 | 0.010 | ||
| a2 | 1.65 | 0.065 | ||||
| a3 | 0.65 | 0.85 | 0.026 | 0.033 | ||
| b | 0.35 | 0.48 | 0.014 | 0.019 | ||
| b1 | 0.19 | 0.25 | 0.007 | 0.010 | ||
| C | 0.25 | 0.5 | 0.010 | 0.020 | ||
| c1 | 45 (typ.) | 45 (typ.) | 45 (typ.) | 45 (typ.) | 45 (typ.) | 45 (typ.) |
| D (1) | 4.8 | 5.0 | 0.189 | 0.197 | ||
| E | 5.8 | 6.2 | 0.228 | 0.244 | ||
| e | 1.27 | 0.050 | ||||
| e3 | 3.81 | 0.150 | ||||
| F (1) | 3.8 | 4.0 | 0.15 | 0.157 | ||
| L | 0.4 | 1.27 | 0.016 | 0.050 | ||
| M | 0.6 | 0.024 | ||||
| S | 8 (max.) | 8 (max.) | 8 (max.) | 8 (max.) | 8 (max.) | 8 (max.) |
TL7705A Package Information
Obsolete Product(s) - Obsolete Product(s) (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). Obsolete Product(s) - Obsolete Product(s)
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
Other Power Management
- MX74610T – MaxLinear, Ideal Diode Controller
- MAX17048 – Analog Devices, Micropower Current Fuel Gauge
- ADE7953ACPZ-RL – Analog Devices, Single-Phase Energy Metering IC
- EFP0101 – Silicon Labs, Multi-Output Energy Friendly PMIC
- EFP0102 – Silicon Labs, Energy Friendly Multi-Output PMIC
- EFP0103 – Silicon Labs, Multi-Output Energy Friendly PMIC
- EFP0104 – Silicon Labs, Energy Friendly PMIC
- EFP0106 – Silicon Labs, Multi-Output Buck/Boost PMIC
All Power Management datasheetsAll STMicroelectronics datasheets (808)
Ask your AI agent about the TL7705A
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the TL7705A run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.