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AV3842B

Features: *Trimmed Oscillator for Precise Frequency Control*Oscillator Frequency Guaranteed at 250kHz*Current Mode Operation to 500kHz*Automatic Feed Forward Compensation*Latching PWM for Cycle-By-Cycle Current Limiting*Internally Trimmed Reference with Undervoltage Lockout*High Current Totem Pole...

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SeekIC No. : 004291776 Detail

AV3842B: Features: *Trimmed Oscillator for Precise Frequency Control*Oscillator Frequency Guaranteed at 250kHz*Current Mode Operation to 500kHz*Automatic Feed Forward Compensation*Latching PWM for Cycle-By-C...

AV3842B Data Sheet

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Part Number:
AV3842B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/27

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Product Details

Description



Features:

*Trimmed Oscillator for Precise Frequency Control
*Oscillator Frequency Guaranteed at 250kHz
*Current Mode Operation to 500kHz
*Automatic Feed Forward Compensation
*Latching PWM for Cycle-By-Cycle Current Limiting
*Internally Trimmed Reference with Undervoltage Lockout
*High Current Totem Pole Output
*Undervoltage Lockout with Hysteresis
*Low Startup and Operating Current


Specifications

PARAMETER
SYMBOL
VALUE
UNIT
Total power supply and Zener current
(ICC + Iz)
30
mA
Output current, source or sink (note1)
Io
1.0
A
Output energy (capacitive load per cycle)
W
5.0
J
Current sense and voltage feedback
inputs
Vin
-0.3 ~ +5.5
V
Error Amp. Output sink current
Io
10
mA
Power dissipation and thermal
characteristics
PD
PJA
DIP:1250 SOP: 702
DIP: 100 SOP: 178
mW
°C/W
Operating junction temperature
Tj
+150
°C
Operating ambient temperature
TA
0 ~ +70
°C
Storage temperature range
Tstg
-65 ~ +150
°C



Description

The @vic AV3842B/3843B are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components.

The AV3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. The AV3843B is tailored for lower voltage applications having UVLO thresholds of 8.5V(on) and 7.6V(off).




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