SI9181DQ-T1, SI9182, SI91821 Selling Leads, Datasheet
MFG:SILICONIX Package Cooled:TSSOP D/C:00+
SI9181DQ-T1, SI9182, SI91821 Datasheet download
Part Number: SI9181DQ-T1
MFG: SILICONIX
Package Cooled: TSSOP
D/C: 00+
SI9181DQ-T1, SI9182, SI91821
- Table of contents:
Info of SI9181DQ-T1
Info of SI9182
Info of SI91821
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About SI9100
PDF/DataSheet Download
Datasheet: SI9100
File Size: 92966 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
About SI9182
PDF/DataSheet Download
Datasheet: SI9182
File Size: 132456 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
About SI91821
PDF/DataSheet Download
Datasheet: SI91821
File Size: 139289 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
SI9182 General Description
The Si9182 is a 250-mA CMOS LDO (low dropout) voltage regulator. The device features ultra low ground current and dropout voltage to prolong battery life in portable electronics. The Si9182 offers line/load transient response and ripple rejection superior to that of bipolar or BiCMOS LDO regulators. The device is designed to maintain regulation while delivering 500-mA peak current. This is useful for systems that have high surge current upon turn-on. The Si9182 is designed to drive the lower cost ceramic, as well as tantalum, output capacitors.
The device is guaranteed stable from maximum load current down to 0-mA load. In addition, an external noise bypass capacitor connected to the device's CNOISE pin will lower the LDO's output noise for low noise applications.
The Si9182 also includes an out-of-regulation error flag. When the output voltage is 5% below its nominal output voltage, the error flag output goes low. If a capacitor is connected to the device's delay pin, the error flag output pin will generate a delayed power-on-reset signal.
The Si9182 is available in both standard and lead (Pb)-free MSOP-8 packages and is specified to operate over the industrial temperature range of −40 to 85.
SI9182 Maximum Ratings
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 V
SDInput Voltage, VSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VIN
Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . Short Circuit Protected
Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VO(nom) + 0.3 V
Maximum Junction Temperature, TJ(max) . . . . . . . . . . . . . . . . . . . . . . . 150
Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . . . . . . . . . −55to 150
ESD (Human Body Model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV
Power Dissipation (Package)a
8-Pin MSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666 mW
Thermal Impedance (JA)
8-Pin MSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6.6 mW/ above TA = 25
SDInput Voltage, VSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VIN
Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . Short Circuit Protected
Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VO(nom) + 0.3 V
Maximum Junction Temperature, TJ(max) . . . . . . . . . . . . . . . . . . . . . . . 150
Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . . . . . . . . . −55to 150
ESD (Human Body Model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV
Power Dissipation (Package)a
8-Pin MSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666 mW
Thermal Impedance (JA)
8-Pin MSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6.6 mW/ above TA = 25
SI9182 Features
` Low 105-mV Dropout at 250-mA Load
` Guaranteed 250-mA Output Current
` 500-mA Peak Output Current Capability
` Uses Low ESR Ceramic Output Capacitor
` Fast Load and Line Transient Response
` Only 100-V(rms) Noise With Noise Bypass
Capacitor
`1-A Maximum Shutdown Current
` Built-in Short Circuit and Thermal Protection
` Out-Of-Regulation Error Flag (Power Good or POR)
` Fixed 1.215-V, 1.5-V, 1.8-V, 2.0-V, 2.5-V, 2.8-V,
2.85-V, 2.9-V, 3.0-V, 3.3-V, 5.0-V, or Adjustable
Output Voltage Options
` Other Output Voltages Available by Special Order
` Guaranteed 250-mA Output Current
` 500-mA Peak Output Current Capability
` Uses Low ESR Ceramic Output Capacitor
` Fast Load and Line Transient Response
` Only 100-V(rms) Noise With Noise Bypass
Capacitor
`1-A Maximum Shutdown Current
` Built-in Short Circuit and Thermal Protection
` Out-Of-Regulation Error Flag (Power Good or POR)
` Fixed 1.215-V, 1.5-V, 1.8-V, 2.0-V, 2.5-V, 2.8-V,
2.85-V, 2.9-V, 3.0-V, 3.3-V, 5.0-V, or Adjustable
Output Voltage Options
` Other Output Voltages Available by Special Order
SI9182 Typical Application
· Cellular Phones
· Laptop and Palm Computers
· PDA, Digital Still Cameras
· Laptop and Palm Computers
· PDA, Digital Still Cameras
SI9182 Connection Diagram
SI91821 General Description
The Si91821 is a 300-mA CMOS LDO (low dropout) voltage regulator. The device features ultra low ground current and dropout voltage to prolong battery life in portable electronics.
The Si91821 offers line and load transient response and ripple rejection superior to that of bipolar or BiCMOS LDO regulators.
The device is designed to maintain regulation while delivering 500-mA peak current. This is useful for systems that have high surge current upon turn-on. The Si91821 is designed to drive the lower cost ceramic, as well as tantalum, output capacitors.
The device is guaranteed stable from maximum load current down to 0-mA load. In addition, an external noise bypass capacitor connected to the device's CNOISE pin will lower the LDO's output noise for low noise applications.
The Si91821 also includes an out-of-regulation error flag. When the output voltage is 5% below its nominal output voltage, the error flag output goes low.
The Si91821 is available in both standard and lead (Pb)-free MSOP-8 packages and is specified to operate over the industrial temperature range of −40 to 85 .
SI91821 Maximum Ratings
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 V
SDInput Voltage, VSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VIN
Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . Short Circuit Protected
Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VO(nom) + 0.3 V
Maximum Junction Temperature, TJ(max) . . . . . . . . . . . . . . . . . . . . . . . 150
Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . . . . . . . . . −55C to 150
ESD (Human Body Model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV
Power Dissipation (Package)a
8-Pin MSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666 mW
Thermal Impedance (JA)a
8-Pin MSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 10 mW/ above TA = 25
SDInput Voltage, VSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VIN
Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . Short Circuit Protected
Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VO(nom) + 0.3 V
Maximum Junction Temperature, TJ(max) . . . . . . . . . . . . . . . . . . . . . . . 150
Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . . . . . . . . . −55C to 150
ESD (Human Body Model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV
Power Dissipation (Package)a
8-Pin MSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666 mW
Thermal Impedance (JA)a
8-Pin MSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 10 mW/ above TA = 25
SI91821 Features
` Input Voltage: 2.35−6.0 V
` Fixed 1.8-V, 2.5-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V, or
Adjustable Output Voltage Options
` Low 120-mV Dropout at 300-mA Load
` Guaranteed 300-mA Output Current
` 500-mA Peak Output Current Capability
` Uses Low ESR Ceramic Output Capacitor
` Fast Load and Line Transient Response
` Only 100-V(rms) Noise With Noise Bypass
Capacitor
` 1-A Maximum Shutdown Current
` Built-in Short Circuit and Thermal Protection
` Out-Of-Regulation Error Flag (Power_Good)
` Fixed 1.8-V, 2.5-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V, or
Adjustable Output Voltage Options
` Low 120-mV Dropout at 300-mA Load
` Guaranteed 300-mA Output Current
` 500-mA Peak Output Current Capability
` Uses Low ESR Ceramic Output Capacitor
` Fast Load and Line Transient Response
` Only 100-V(rms) Noise With Noise Bypass
Capacitor
` 1-A Maximum Shutdown Current
` Built-in Short Circuit and Thermal Protection
` Out-Of-Regulation Error Flag (Power_Good)
SI91821 Typical Application
· Cellular Phones
· Laptop and Palm Computers
· PDA, Digital Still Cameras
· Laptop and Palm Computers
· PDA, Digital Still Cameras
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