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Details for UC3845AD8 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
UC3845AD8
Buy Directly from Texas Instruments (11811 in stock) $0.4250
PWM CONTROLLER SMD 3845 SOIC8
UC3845AD8 image

UC3845AD8 by Texas Instruments

PWM CONTROLLER SMD 3845 SOIC8
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
UC3845AD8 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:
15V
Output Voltage:
5V
Output Current:
200mA
Supply Voltage Min:
12V
Supply Voltage Max:
25V
Controller IC Case Style:
SOIC
No. of Pins:
8Pins
Frequency:
500kHz
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Base Number:
3845
Controller Type:
PWM
Device Marking:
UC3845AD8
IC Generic Number:
3845
IC Temperature Range:
Commercial
Input Current:
11mA
Logic Function Number:
3845
Operating Temperature Range:
0°C to +70°C
Output Current Max:
1A
Output Energy per Cycle:
5µJ
Output Type:
Totem Pole
Power Dissipation Pd:
1W
Power Supply IC Type:
PWM controller
Supply Voltage Range:
12V to 25V
Termination Type:
Surface Mount Device
Alternate Descriptions
Curr Mode PWM Controller UC3845AD8G4 RS Components
CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC; Input Voltage:25V; Output Voltage:15V; Output Current:200mA; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:SOIC; No. of Pins:8Pins; Frequency:500kHz RoHS Compliant: Yes Newark Electronics
Current Mode PWM Controller 1A 8-Pin SOIC Tube Avnet America
PMIC; PWM controller; 1A; 47÷500kHz; Channels:1; SO8; Usup:8.4÷30V Transfer Multisort Elektronik
30V,1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0°C to 70°C Texas Instruments
In a Tube of 75, Texas Instruments UC3845AD8 PWM Akım Modu Kontrolcü Entegresi, 1 A, 500 kHz, 8-Pinli SOIC RS Components TR
Controllore PWM UC3845AD8G4 RS Components IT