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Siehe Technische Spezifikationen

UC2845AD8 +BOM

30V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 40°C to 85°C

Hersteller:

TEXAS INSTRUMENTS INC
Herstellerteil #:

UC2845AD8
Datenblatt:

UC2845AD8 Datenblatt (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Active
Pin Count:

8
Reach Compliance Code:

compliant
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an UC2845AD8

UC2845AD8 Allgemeine Beschreibung

The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for V_CC over 5 V.

Hauptmerkmale

PWM controller with soft-start function
Undervoltage lockout prevents damage from input voltage fluctuations
Overvoltage protection ensures safe operation at high input voltages
Suitable for automotive applications and industrial power supplies

Spezifikationen

Source Content uid	UC2845AD8	Pbfree Code	Yes
Part Life Cycle Code	Active	Pin Count	8
Reach Compliance Code	compliant	ECCN Code	EAR99
HTS Code	8542.39.00.01	Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	CURRENT-MODE	Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	25 V	Input Voltage-Min	8.2 V
Input Voltage-Nom	15 V	JESD-30 Code	R-PDSO-G8
JESD-609 Code	e4	Length	4.9 mm
Moisture Sensitivity Level	1	Number of Functions	1
Number of Terminals	8	Operating Temperature-Max	85 °C
Operating Temperature-Min	-40 °C	Output Current-Max	1 A
Output Voltage-Max	5.05 V	Output Voltage-Min	4.95 V
Output Voltage-Nom	5 V	Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified	Seated Height-Max	1.75 mm
Supply Current-Max (Isup)	25 mA	Supply Voltage-Max (Vsup)	28 V
Supply Voltage-Min (Vsup)	8.4 V	Supply Voltage-Nom (Vsup)	11 V
Surface Mount	YES	Switcher Configuration	BUCK-BOOST
Switching Frequency-Max	500 kHz	Technology	BIPOLAR
Temperature Grade	INDUSTRIAL	Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING	Terminal Pitch	1.27 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Width	3.9 mm

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AVAQ bestimmt und verpackt alle Geräte auf der Grundlage der Schutzanforderungen gegen elektrostatische Entladung (ESD) und Feuchtigkeitsempfindlichkeit (MSL)..