SI9114, SI9114A, SI9114ADJ-E3 Selling Leads, Datasheet
MFG:890 Package Cooled:SOP D/C:N/A
SI9114, SI9114A, SI9114ADJ-E3 Datasheet download
Part Number: SI9114
MFG: 890
Package Cooled: SOP
D/C: N/A
SI9114, SI9114A, SI9114ADJ-E3
- Table of contents:
Info of SI9114
Info of SI9114A
Info of SI9114ADJ-E3
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About SI9114A
PDF/DataSheet Download
Datasheet: SI9114A
File Size: 82191 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
About SI9114A
PDF/DataSheet Download
Datasheet: SI9114A
File Size: 82191 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
About Si9114ADJ-E3
PDF/DataSheet Download
Datasheet: Si9114ADJ-E3
File Size: 82191 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
SI9114A General Description
The Si9114A is a BiC/DMOS current-mode pulse width modulation (PWM) controller IC for high-frequency dc/dc converters. Single-ended topologies (forward and flyback) can be implemented at frequencies up to 1 MHz. The oscillator has an internal divide-by-two that limits the duty ratio to 50%. An oscillator sync output allows converters to be synchronized in phase as well as in frequency, in a master/slave configuration.
The output inverter can typically source 500 mA and sink 700 mA. Shoot-through current is all but eliminated to minimize supply current requirements.
The high-voltage DMOS transistor allows the IC to interface directly to bus voltages up to 200 V. Other features include a 1.5% accurate voltage reference, 1.8-MHz (min) bandwidth error amplifier, shutdown logic control, soft-start and undervoltage lockout circuits.
The Si9114A is available in both standard and lead (Pb)-free 14-pin plastic DIP and SOIC packages, and is specified over the industrial, D suffix (−40 to 85 temperature range.
SI9114A Maximum Ratings
Voltages Referenced to −VIN
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V
+VIN (Note: VCC < +VIN + 0.3 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 V
Logic Input (SHUTDOWN, SYNC) . . . . . . . . . . . . . . . . −0.3 V to VCC + 0.3 V
Linear Inputs (FEEDBACK, SENSE,
SOFT-START) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VCC + 0.3 V
HV Pre-Regulator Input Current (continuous) . . . . . . . . . . . . . . . . . . . . . 5 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to 150
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to 85
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Power Dissipation (Package)a
14-Pin Plastic Dip (J Suffix)b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 mW
14-Pin SOIC (Y Suffix)c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mW
Thermal Impedance(JA)
14-Pin Plastic Dip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167/W
14-Pin SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6 mW/ above 25.
c. Derate 7.2 mW/ above 25.
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V
+VIN (Note: VCC < +VIN + 0.3 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 V
Logic Input (SHUTDOWN, SYNC) . . . . . . . . . . . . . . . . −0.3 V to VCC + 0.3 V
Linear Inputs (FEEDBACK, SENSE,
SOFT-START) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VCC + 0.3 V
HV Pre-Regulator Input Current (continuous) . . . . . . . . . . . . . . . . . . . . . 5 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to 150
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to 85
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Power Dissipation (Package)a
14-Pin Plastic Dip (J Suffix)b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 mW
14-Pin SOIC (Y Suffix)c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mW
Thermal Impedance(JA)
14-Pin Plastic Dip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167/W
14-Pin SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6 mW/ above 25.
c. Derate 7.2 mW/ above 25.
SI9114A Features
·15- to 200-V Input Range
· Current-Mode Control
· Internal Start-Up Circuit
· Latched SHUTDOWN
· Soft-Start
· 1.8-MHz Error Amp
· Current-Mode Control
· Internal Start-Up Circuit
· Latched SHUTDOWN
· Soft-Start
· 1.8-MHz Error Amp
SI9114A Connection Diagram
SI9114ADJ-E3 General Description
Si9114A datasheet
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