TL7700A
Supply Voltage SupervisorThe TL7700A is a supply voltage supervisor from STMicroelectronics. View the full TL7700A datasheet below including key specifications, electrical characteristics.
Official TL7700A datasheet (PDF) — the source this page was extracted from.
Manufacturer
STMicroelectronicsCategory
Power ManagementTL7700A Key Specifications
| Parameter | Value |
|---|---|
| Supply Current | 1.8 mA typ., 3.3 mA max |
| Packages Offered | Minidip (P), SO-8 (D) |
| Reference Voltage | 2.48V to 2.58V (typ. 2.53V) |
| Output Pulse Width | tpo = 1.3 x 10^4 x CT (1.3 ms typ. at CT = 0.1 uF) |
| Hysteresis At SENSE | 10 mV (TL7702A), 15 mV (TL7705A) typ. |
| RESET Output Current | +/-16 mA (recommended) |
| Supply Voltage Range | 3.6V to 18V (recommended); 3V to 18V (features) |
| Low-Level Output Voltage | 0.4 V typ. at 16 mA |
| Storage Temperature Range | -65C to 150C |
| Absolute Max Supply Voltage | 20V |
| Operating Temperature Range | 0C to 70C (TL7700AC); -25C to 85C (TL7700AI) |
| SENSE Threshold Voltage (TL7702A) | 2.48V to 2.58V (typ. 2.53V at 25C) |
| SENSE Threshold Voltage (TL7705A) | 4.5V to 4.6V (typ. 4.55V at 25C) |
| Thermal Resistance Junction-Ambient | 120 C/W |
TL7700A 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
TL7700A 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.) |
TL7700A 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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