PMIC - AC DC Converters, Offline Switchers

Category Introduction

Products in this family are component-level control devices used to construct equipment that converts AC utility power to a DC form, typically at a much reduced voltage. Devices which incorporate the primary switching element for the system and those which do not are both included. Due to the high ratio of input to output voltages and need for isolation commonly encountered in such systems, they are often used in conjunction with an external transformer. While use of custom transformers for this purpose is common practice, a variety of stock products intended for such use are available, under the heading of Switching Converter, SMPS Transformers.

Product List

4148 Items
PDF Mfr Part # Quantity
Available
UnitPrice RFQ Series Packaging Product StatusOutput IsolationInternal Switch(s)Voltage - BreakdownTopologyVoltage - Start UpVoltage - Supply (Vcc/Vdd)Duty CycleFrequency - SwitchingPower (Watts)Fault ProtectionControl FeaturesOperating TemperaturePackage / CaseSupplier Device PackageMounting Type
UCC25701PWTR
UCC25701PWTR
IC OFFLINE SW MULT TOP 14TSSOP
Unitrode
214 $3.52
Bulk ActiveIsolatedNo-Boost, Flyback, Forward13 V9V ~ 15V99%700kHz-Current LimitingSoft Start, Sync-55°C ~ 150°C (TJ)14-TSSOP (0.173", 4.40mm Width)14-TSSOPSurface Mount
UC2875DWP/81261
UC2875DWP/81261
IC OFFLINE SWITCH
Texas Instruments
98 $3.51
Bulk Active---------------
UC2865N
UC2865N
IC OFFLINE SWITCH MULT TOP 16DIP
Unitrode
188 $3.77
Bulk ActiveNon-IsolatedYes-Full-Bridge, Half-Bridge, Push-Pull16.5 V10.5V ~ 22V-10kHz ~ 1MHz--Soft Start-25°C ~ 85°C (TA)16-DIP (0.300", 7.62mm)16-PDIPThrough Hole
UCC2580N-4G4
UCC2580N-4G4
IC OFFLINE SWITCH MULT TOP 16DIP
Unitrode
84 $3.90
Tube ObsoleteIsolatedNo-Flyback, Forward15 V8.5V ~ 15V66%---Soft Start-55°C ~ 150°C (TJ)16-DIP (0.300", 7.62mm)16-PDIPThrough Hole
UCC25701DTR/81385
UCC25701DTR/81385
IC OFFLINE SWITCH
Texas Instruments
185 $4.10
Bulk Active---------------
MAX17691BATC+
MAX17691BATC+
IC OFFLINE SWITCH FLYBACK 12TDFN
Analog Devices Inc./Maxim Integrated
127 $4.22
Tray ActiveIsolatedYes-Flyback-4.2V ~ 60V68%100kHz ~ 350kHz7.5 WCurrent Limiting, Over Temperature, Over VoltageEN, Soft Start-40°C ~ 125°C (TA)12-WFDFN Exposed Pad12-TDFN (3x3)Surface Mount
UCC3570D
UCC3570D
IC OFFLINE SWITCH 14SOIC
Unitrode
89 $5.02
Bulk Active-------500kHz----14-SOIC (0.154", 3.90mm Width)14-SOICSurface Mount
UCC3570N
UCC3570N
IC OFFLINE SWITCH 14DIP
Unitrode
97 $5.76
Tube Obsolete-------500kHz----14-DIP (0.300", 7.62mm)14-PDIPThrough Hole
LT1244CN8#PBF
LT1244CN8#PBF
IC OFFLINE SWITCH BUCK 8DIP
Analog Devices Inc.
112 $6.35
Tube ActiveIsolatedNo-Buck16 V10V ~ 25V48%Up to 500kHz--Frequency Control0°C ~ 100°C (TJ)8-DIP (0.300", 7.62mm)8-PDIPThrough Hole
LT1244IN8#PBF
LT1244IN8#PBF
IC OFFLINE SWITCH BUCK 8DIP
Analog Devices Inc.
88 $6.39
Tube ActiveIsolatedNo-Buck16 V10V ~ 25V48%Up to 500kHz--Frequency Control-40°C ~ 100°C (TJ)8-DIP (0.300", 7.62mm)8-PDIPThrough Hole
LT1244IS8#PBF
LT1244IS8#PBF
IC OFFLINE SWITCH BUCK 8SOIC
Analog Devices Inc.
54 $7.39
Tube ActiveIsolatedNo-Buck16 V10V ~ 25V48%Up to 500kHz--Frequency Control-40°C ~ 100°C (TJ)8-SOIC (0.154", 3.90mm Width)8-SOSurface Mount
UC3823BN
UC3823BN
IC OFFLINE SWITCH MULT TOP 16DIP
Unitrode
19 $11.92
Bulk ActiveNon-IsolatedNo-Boost, Buck, Flyback, Forward16 V10V ~ 22V100%1MHz-Current LimitingFrequency Control, Soft Start-55°C ~ 150°C (TJ)16-DIP (0.300", 7.62mm)16-PDIPThrough Hole
NCP1251ASN100T1G
NCP1251ASN100T1G
IC OFFLINE SWITCH FLYBACK 6TSOP
onsemi
2,677 $0.20
Tape & Reel (TR) ActiveIsolatedNo-Flyback18 V8.8V ~ 28V80%100kHz-Over Power, Over Voltage, Short Circuit--40°C ~ 125°C (TJ)SOT-23-6 Thin, TSOT-23-66-TSOPSurface Mount
AP3783AK6TR-G1
AP3783AK6TR-G1
IC OFFLINE SWITCH FLYBACK SOT26
Diodes Incorporated
887 $0.59
Tape & Reel (TR) ObsoleteIsolatedNo-Flyback15.5 V6.8V ~ 35V-60kHz-Over Temperature, Over Voltage, Short Circuit--40°C ~ 150°C (TJ)SOT-23-6SOT-26Surface Mount
FT838D2-BL-RT
FT838D2-BL-RT
IC OFFLINE SW FLYBACK SOT23-5
Fremont Micro Devices Ltd
386 $0.39
Tape & Reel (TR) ActiveIsolatedNo-Flyback17.6 V6.6V ~ 30V--18 WCurrent Limiting, Open Circuit, Over Temperature, Over Voltage--40°C ~ 125°C (TA)SC-74A, SOT-753SOT-23-5Surface Mount
TEA1832TS/1X
TEA1832TS/1X
IC OFFLINE SWITCH FLYBACK SC74
NXP USA Inc.
166 $0.38
GreenChip™ II Tape & Reel (TR) ObsoleteIsolatedNo-Flyback22 V10.5V ~ 36V90%36kHz ~ 130kHz-Over Power, Over Temperature, Over Voltage, Short Circuit--40°C ~ 150°C (TJ)SC-74, SOT-457SC-74Surface Mount
FT838D1-BL-RT
FT838D1-BL-RT
IC OFFLINE SW FLYBACK SOT23-5
Fremont Micro Devices Ltd
2,233 $0.39
Tape & Reel (TR) ActiveIsolatedNo-Flyback17.6 V6.6V ~ 30V--18 WCurrent Limiting, Open Circuit, Over Temperature, Over Voltage--40°C ~ 125°C (TA)SC-74A, SOT-753SOT-23-5Surface Mount
AP3304W6-7
AP3304W6-7
ACDC PWM SWITCHER SOT26 T&R 3K
Diodes Incorporated
1,543 $0.61
Tape & Reel (TR) ActiveIsolatedNo-Flyback15.8 V10V ~ 50V-23kHz ~ 100kHz-Current Limiting, Over Load, Over Temperature, Over VoltageSoft Start-40°C ~ 85°C (TA)SOT-23-6SOT-26 (Type A1)Surface Mount
AP3301K6TR-G1
AP3301K6TR-G1
IC OFFLINE SWITCH FLYBACK SOT26
Diodes Incorporated
529 $0.62
Tape & Reel (TR) ActiveIsolatedNo-Flyback15.8 V10V ~ 25V-120kHz-Current Limiting, Over Temperature, Over Voltage--40°C ~ 85°C (TA)SOT-23-6SOT-26Surface Mount
AP3783RAK6TR-G1
AP3783RAK6TR-G1
IC OFFLINE SWITCH FLYBACK SOT26
Diodes Incorporated
1,122 $0.62
Tape & Reel (TR) ActiveIsolatedNo-Flyback15.5 V6.8V ~ 35V-80kHz-Over Temperature, Over Voltage, Short Circuit--40°C ~ 150°C (TJ)SOT-23-6SOT-26Surface Mount