TL3845P

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Details for Texas Instruments
TL3845P
Current-Mode PWM Controller
Buy Directly from Texas Instruments (4100 in Stock)
$0.3600 per unit
Series Information for TL3845P - Texas Instruments

Features

  • feature
    500-kHz Operation
  • feature
    Automatic Feed-forward compensation
  • feature
    Designed to be Interchangeable with UC2842 and
  • feature
    Double-Pulse Suppression
  • feature
    Enhanced Load-Response Characteristics
  • feature
    Error Amplifier With Low Output Resistance
  • feature
    High-Current Totem-Pole Output
  • feature
    Internally Trimmed Bandgap Reference
  • feature
    Low Start-Up Current (< 1 mA)
  • feature
    Optimized for Off-Line and DC-to-DC Converters
  • feature
    Pulse-by-Pulse Current Limiting
  • feature
    Undervoltage Lockout With Hysteresis
TL3845P image
RoHS Compliant

Description

IC PWM CONTROLLER CURR MODE DIL8

The TL284x and TL384x series of control integrated circuits provide the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components. Some of the internally implemented circuits are an undervoltage lockout (UVLO), featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator (that also provides current-limit control), and a totem-pole output stage designed to source or sink high-peak current. The output stage, suitable for driving Nchannel MOSFETs, is low when it is in the off state.

Specifications

Input Voltage:
5.5V
Output Voltage:
30V
Output Current:
200mA
Supply Voltage Min:
12V
Supply Voltage Max:
25V
Controller IC Case Style:
DIP
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:
-
SVHC:
No SVHC (27-Jun-2018)
Base Number:
3845
Controller Type:
PWM
IC Temperature Range:
Commercial
Operating Temperature Range:
0°C to +70°C
Output Energy per Cycle:
5µJ
Output Type:
Totem Pole
Supply Voltage Range:
12V to 25V
Termination Type:
Through Hole

Alternate Descriptions

RS Components
Current Mode PWM Cntrlr 0-30V 8P PDIP
Avnet America
Current Mode PWM Controller 0V to 30V 200mA 8-Pin PDIP Tube
Avnet Europe
Current Mode PWM Controller 0V to 30V 200mA 8-Pin PDIP Tube
Texas Instruments
Current-Mode PWM Controller
RS Components UK
Current Mode PWM Cntrlr 0-30V 8P PDIP
RS Components DE
PWM Current Mode Controller TL3845P, 1-Kanal Boost, Flyback, Forward 500 kHz PDIP 8-Pin 200 mA Steuerart : Strom Anstiegszeit : 50ns Tastverhältnis max. : 48% Montage-Typ : Durchsteckmontage Ausgangsspannung : 30 V Abmessungen : 9.81 x 6.35 x 4.57mm Länge : 9.81mm, Texas Instruments
RS Components HK
Current Mode PWM Cntrlr 0-30V 8P PDIP
RS Components JP
半導体,PWMコントローラ
RS Components FR
Contrôleur PWM mode courant 0-30V PDIP8
RS Components CN
Current Mode PWM Cntrlr 0-30V 8P PDIP
RS Components ES
Current Mode PWM Cntrlr 0-30V 8P PDIP
RS Components NL
Current Mode PWM Cntrlr 0-30V 8P PDIP
RS Components NO
Current Mode PWM Cntrlr 0-30V 8P PDIP