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Siehe Technische Spezifikationen

UC3842BD1 +BOM

Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC

Hersteller:

ST
Herstellerteil #:

UC3842BD1
Datenblatt:

UC3842BD1 Datenblatt (PDF)
Part Life Cycle Code:

Active
Pin Count:

8
Reach Compliance Code:

compliant
ECCN Code:

EAR99
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an UC3842BD1

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

UC3842BD1 Allgemeine Beschreibung

The UC284xB family consists of various members with differences in under-voltage lockout thresholds and maximum duty cycle ranges. For instance, the UC2842B and UC2844B have UVLO thresholds of 16V (on) and 10V (off), making them ideal for off-line applications. On the other hand, the UC2843B and UC2845B have different UVLO thresholds of 8.5V and 7.9V. Depending on the specific model, duty cycles can approach 100% or range from zero to less than 50% by incorporating an internal toggle flip flop

Hauptmerkmale

LOW START-UP AND OPERATING CURRENT
UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT
CURRENT LIMITING
TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL
CURRENT MODE OPERATION TO 500kHz
OSCILLATOR FREQUENCY GUARANTEED AT 250kHz
LATCHING PWM FOR CYCLE-BY-CYCLE
HIGH CURRENT TOTEM POLE OUTPUT
AUTOMATIC FEED FORWARD COMPENSATION

Spezifikationen

Source Content uid	UC3842BD1	Part Life Cycle Code	Active
Pin Count	8	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code	8542.39.00.01
Factory Lead Time	14 Weeks, 2 Days	Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	CURRENT-MODE	Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	30 V	Input Voltage-Min	11.5 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	70 °C
Operating Temperature-Min		Output Current-Max	1 A
Qualification Status	Not Qualified	Seated Height-Max	1.75 mm
Surface Mount	YES	Switcher Configuration	SINGLE
Switching Frequency-Max	500 kHz	Technology	BIPOLAR
Temperature Grade	COMMERCIAL	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form	GULL WING	Terminal Pitch	1.27 mm
Terminal Position	DUAL	Width	3.9 mm

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