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Si9108

Features: · CCITT Compatible· Current-Mode Control· Low Power Consumption (less than 5 mW)· 10- to 120-V Input Range· 200-V, 250-mA MOSFET· Internal Start-Up Circuit· SHUTDOWN and RESET• Maximum Duty Cycle of 99.9%PinoutSpecificationsVoltages Referenced to -VIN (VCC < +VIN + 0.3 V)VCC . ....

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SeekIC No. : 004490882 Detail

Si9108: Features: · CCITT Compatible· Current-Mode Control· Low Power Consumption (less than 5 mW)· 10- to 120-V Input Range· 200-V, 250-mA MOSFET· Internal Start-Up Circuit· SHUTDOWN and RESET• Maxim...

Si9108 Data Sheet

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Part Number:
Si9108
Supply Ability:
5000

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

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Product Details

Description



Features:

· CCITT Compatible
· Current-Mode Control
· Low Power Consumption
    (less than 5 mW)
· 10- to 120-V Input Range
· 200-V, 250-mA MOSFET
· Internal Start-Up Circuit
· SHUTDOWN and RESET
• Maximum Duty Cycle of 99.9%


Pinout

Connection Diagram


Specifications

Voltages Referenced to -VIN (VCC < +VIN + 0.3 V)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V
+VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 V
VDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 V
ID (Peak) (300 s pulse, 2% duty cycle). . . . . . . . . . . . . . . . . . . . . 2 A
ID (rms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 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) . . . . . . . . . . . . . . .5 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 125°C
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to 85°C
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Power Dissipation (Package)a
14-Pin Plastic DIP (J Suffix)b. . . . . . . . . . . . . . . . . . . . . . . . . 750 mW
16-Pin Plastic Wide-Body SOIC (W Suffix)c . . . . . . . . . . . . . 900 mW
20-Pin PLCC (N Suffix)d . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 mW
Thermal Impedance (QJA)
14-Pin Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167°C/W
16-Pin Plastic Wide-Body SOIC . . . . . . . . . . . . . . . . . . . . . . 140°C/W
20-Pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90°C/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6 mW/°C above 25°C
c. Derate 7.2 mW/°C above 25°C
d. Derate 11.2 mW/°C above 25°C


Description

The Si9108 high-voltage switchmode regulator is a monolithic BiC/DMOS integrated circuit which contains most of the components necessary to implement a high-efficiency dc/dc converter in ISDN terminals up to 3 watts. A 0.5-mA max supply current makes possible the design of a dc/dc converter with 60% efficiency at 25 mW, therefore meeting the recommended performance under the CCITT I.430 specifications.

This Si9108 may be used with an appropriate transformer to implement isolated flyback power converter topologies to provide single or multiple regulated dc outputs (i.e., ±5 V).

The Si9108 is available in 16-pin wide-body SOIC, 14-pin plastic DIP, and 20-pin PLCC packages, and is specified over the industrial, D suffix (-40 to 85°C) temperature range.




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