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Si9100

Features: ` 10- to 70-V Input Range` Current-Mode Control` On-Chip 150-V, 5- MOSFET Switch` Reference SelectionSi9100 − ±1%` High Efficiency Operation (> 80%)` Internal Start-Up Circuit` Internal Oscillator (1 MHz)` SHUTDOWN and RESETPinoutSpecificationsVoltages Referenced to −VIN (...

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SeekIC No. : 004490878 Detail

Si9100: Features: ` 10- to 70-V Input Range` Current-Mode Control` On-Chip 150-V, 5- MOSFET Switch` Reference SelectionSi9100 − ±1%` High Efficiency Operation (> 80%)` Internal Start-Up Circuit` In...

Si9100 Data Sheet

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Part Number:
Si9100
Supply Ability:
5000

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

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Product Details

Description



Features:

` 10- to 70-V Input Range
` Current-Mode Control
` On-Chip 150-V, 5- MOSFET Switch
` Reference Selection
    Si9100 − ±1%
` High Efficiency Operation (> 80%)
` Internal Start-Up Circuit
` Internal Oscillator (1 MHz)
` SHUTDOWN and RESET


Pinout

Connection Diagram


Specifications

Voltages Referenced to −VIN (VCC < +VIN + 0.3 V)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V
+VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 V
VDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 V
ID (Peak) (Note: 300 s pulse, 2% duty cycle) . . . . . . . . . . . . . . . . . . . . 2.5 A
ID (rms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 mA
Logic Inputs (RESET,
SHUTDOWN, OSC IN) . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VCC + 0.3 V
Linear Inputs (FEEDBACK, SOURCE) . . . . . . . . . . . . . . . . . . . −0.3 V to 7 V
HV Pre-Regulator Input Current (continuous) . . . . . . . . . . . . . . . . . . . . . 3 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to 125
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to 85
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Power Dissipation (Package)a
14-Pin Plastic DIP (J Suffix)b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 mW
20-Pin PLCC (N Suffix)c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 mW
Thermal Impedance (JA)
14-Pin Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167/W
20-Pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6 mW/ above 25
c. Derate 11.2 mW/above 25


Description

The Si9100 high-voltage switchmode regulators are monolithic BiC/DMOS integrated circuits which contain most of the components necessary to implement high-efficiency dc-to-dc converters up to 3 watts. They can either be operated from a low-voltage dc supply, or directly from a 10- to 70-V unregulated dc power source. The Si9100 may be used with an appropriate transformer to implement most single-ended isolated power converter topologies (i.e., flyback and forward), or by using a level shift circuit can generate a +5-V or a −5-V non-isolated output from a −48-V source.

The Si9100 is available in both standard and lead (Pb)-free 14-pin plastic DIP and 20-pin PLCC packages which are specified to operate over the industrial temperature range of−40  to 85 .




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