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Details for UC2844AD by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
UC2844AD
Buy Directly from Texas Instruments (6482 in stock) $0.4900
IC CURRENT MODE PWM CTRL SOIC-14
UC2844AD image

UC2844AD by Texas Instruments

IC CURRENT MODE PWM CTRL SOIC-14
Features
Automatic Feedforward Compensation
Double Pulse Suppression
Enhanced Load Response Characteristics
High-Current Totem Pole Output
Internally-Trimmed Bandgap Reference
Low Start-Up Current (< 0.5 mA)
Optimized for Off-Line and DC-DC Converters
Pulse-by-Pulse Current Limiting
Trimmed Oscillator Discharge Current
Undervoltage Lockout With Hysteresis
Up to 500-kHz Operation
Part Information
UC2844AD image
RoHS Compliant
Description
The UCx84xA family of control ICs is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control currentmode 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 VCC over 5 V.
Specifications
Input Voltage:
25V
Output Voltage:
15V
Output Current:
1A
Supply Voltage Min:
12V
Supply Voltage Max:
25V
Controller IC Case Style:
SOIC
No. of Pins:
14Pins
Frequency:
500kHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Base Number:
2844
Controller Type:
PWM
Input Current:
11mA
Operating Temperature Range:
-40°C to +85°C
Output Energy per Cycle:
5µJ
Output Type:
Totem Pole
Power Dissipation Pd:
1W
Supply Voltage Range:
12V to 25V
Termination Type:
Surface Mount Device
Alternate Descriptions
Current mode PWM controller,UC2844AD 5V RS Components
CURRENT MODE PWM CONTROLLER, SOIC-14; Input Voltage:25V; Output Voltage:15V; Output Current:1A; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:SOIC; No. of Pins:14Pins; Frequency:450kHz; Product Range:- RoHS Compliant: Yes Newark Electronics
Current Mode PWM Controller 1A 14-Pin SOIC Tube Avnet America
PMIC; PWM controller; 1A; 47÷500kHz; Channels:1; SO14; Usup:16÷30V Transfer Multisort Elektronik
Current Mode PWM Controller 1A 14-Pin SOIC Tube Avnet Europe
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 40°C to 85°C Texas Instruments