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DC DC Switching Controllers

制造商 Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
UCC29422PW

UCC29422PW

0.00065A, 2000KHZ BICMOS, PDSO20

Unitrode

1,860 2.14
RFQ
UCC29422PW

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
UC2825QTR

UC2825QTR

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

23,000 2.27
RFQ
UC2825QTR

Datasheet

- 20-LCC (J-Lead) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive - 2 1 8.4V ~ 30V 340kHz ~ 460kHz 80% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-PLCC (9x9)
UCC3585D

UCC3585D

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

525 2.80
RFQ
UCC3585D

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 500kHz 100% Yes No - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UCC2541PWP-UN

UCC2541PWP-UN

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

140 2.63
RFQ
UCC2541PWP-UN

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 8.5V ~ 35V 300kHz - Yes Yes - Enable, Ramp, Reset, Soft Start, Tracking -40°C ~ 105°C (TA) - - Surface Mount 20-HTSSOP
UCC39421N

UCC39421N

0.00065A, 2000KHZ BICMOS, PDIP16

Unitrode

4,659 2.81
RFQ
UCC39421N

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
UC494ACN

UC494ACN

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

644 2.98
RFQ
UC494ACN

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 7V ~ 40V 1kHz ~ 300kHz 45% Yes No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
UC2823N

UC2823N

UC2823 HIGH SPEED PWM CONTROLLER

Unitrode

17,697 3.38
RFQ
UC2823N

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter 1 1 8.4V ~ 30V 340kHz ~ 460kHz 80% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -25°C ~ 85°C (TA) - - Through Hole 16-PDIP
UC3823AQTR

UC3823AQTR

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

1,000 3.27
RFQ
UC3823AQTR

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
UC3864N

UC3864N

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

3,510 3.41
RFQ
UC3864N

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 22V 50kHz ~ 500kHz 100% No No - Soft Start 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
UC3863N

UC3863N

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

512 3.41
RFQ
UC3863N

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up/Step-Down Positive - 2 1 7V ~ 22V 50kHz ~ 500kHz 100% No No - Soft Start 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
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