TL7702A
Supply Voltage Supervisor / Reset GeneratorThe TL7702A is a supply voltage supervisor / reset generator from STMicroelectronics. View the full TL7702A datasheet below including key specifications, electrical characteristics.
TL7702A shares its datasheet with TL7700A, whose page lists every part number it covers.
Official TL7702A datasheet (PDF) — the source this page was extracted from.
Manufacturer
STMicroelectronicsCategory
Power ManagementTL7702A Key Specifications
| Parameter | Value |
|---|---|
| Outputs | RESET and complementary RESET |
| Supply Current | 1.8mA typ., 3.3mA max. |
| Reference Voltage | 2.48V to 2.58V (typ. 2.53V) |
| Output Pulse Width | 1.3ms typ. (CT = 0.1uF), tpo = 1.3 x 10^4 x CT |
| Reset Output Current | 16mA (recommended), 30mA (abs max) |
| Supply Voltage Range | 3.6V to 18V |
| Absolute Max Supply Voltage | 20V |
| Operating Temperature Range (AC) | 0°C to 70°C |
| Operating Temperature Range (AI) | -25°C to 85°C |
| SENSE Input Hysteresis (TL7702A) | 10mV typ. |
| SENSE Threshold Voltage (TL7702A) | 2.48V to 2.58V (typ. 2.53V) |
| Thermal Resistance Junction-Ambient | 120°C/W |
TL7702A 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
TL7702A 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.) |
TL7702A 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)
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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.
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All Power Management datasheetsAll STMicroelectronics datasheets (808)
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