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Vedi Specifiche Tecniche

TLV803ZDBZR +BOM

Small outline transistor package (SOT23-3)

Produttore:

TI
ProduttorePart #:

TLV803ZDBZR
Scheda dati:

TLV803ZDBZR Scheda dati (PDF)
Number Of Supplies Monitored:

1
Threshold Voltage 1 (typ) (V):

2.25, 2.64, 2.93, 4.38
Features:

Reset time delay, Undervoltage monitor only
Reset Threshold Accuracy (%):

2, 2.2, 2.3
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TLV803ZDBZR Descrizione generale

The TLV8x3 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems.

The TLV803, TLV853, and TLV863 are functionally equivalent. The TLV853 and TLV863 provide an alternate pinout of the TLV803. The newer TLV803E device is a pin-to-pin alternative to all of these 3.

During power on, RESET asserts when the supply voltage (V_DD) exceeds 1.1 V. Thereafter, the supervisory circuit monitors V_DD and keeps RESET active as long as V_DD remains below the threshold voltage V_IT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time (t_d(typ) = 200 ms) starts after V_DD exceeds the threshold voltage, V_IT. When the supply voltage drops below the V_IT threshold voltage, the output is active (low) again. All the devices in this family have a fixed sense-threshold voltage (V_IT) set by an internal voltage divider.

The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. These devices are available in a 3-pin SOT-23 package. The TLV803 devices are characterized for operation over a temperature range of –40°C to +125°C.

Caratteristiche principali

Compact 3-Pin SOT23 Package
Fast Power-On Reset Generation
Suitable for Industrial Applications
Pin-for-Pin Compatible with MAX803

Specifiche

Number of supplies monitored	1	Threshold voltage 1 (typ) (V)	2.25, 2.64, 2.93, 4.38
Features	Reset time delay, Undervoltage monitor only	Reset threshold accuracy (%)	2, 2.2, 2.3
Iq (typ) (mA)	0.009	Output driver type/reset output	Active-low, Open-drain
Time delay (ms)	200	Supply voltage (min) (V)	1.1
Supply voltage (max) (V)	6	Rating	Catalog
Watchdog timer WDI (s)	None	Operating temperature range (°C)	-40 to 125

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