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>UC3867DW UC3867DW NATIONAL SEMICONDUCTOR - Voltage Mode PWM Controller 500mA 550kHz 16-Pin SOIC Tube 9.459
>UC2844AD8 UC2844AD8 NATIONAL SEMICONDUCTOR - Current Mode PWM Controller -0.1V to 11V 1A 500kHz 8-Pin SOIC Tube 2.2753
>UCC2895DW UCC2895DW NATIONAL SEMICONDUCTOR - Resonant Controllers 100mA 1000kHz 20-Pin SOIC Tube 6.4244
>TC648BEOA713 TC648BEOA713 MICROCHIP TECHNOLOGY - 8 PWM Fan Speed Controller 2.516
>UCC3801N UCC3801N NATIONAL SEMICONDUCTOR - 50(%) Current Mode PWM Controller 5V 1000kHz Automotive 8-Pin PDIP Tube 4.676
>UCC2801N UCC2801N NATIONAL SEMICONDUCTOR - PDIP Current Mode PWM Controller 5V 1000kHz Automotive 8-Pin PDIP Tube 3.0561
>MCP19035-AAAAE/MF MCP19035-AAAAE/MF MICROCHIP TECHNOLOGY - Surface Mount Voltage Mode PWM Controller 20A 300kHz 10-Pin DFN EP Tube 4.199
>EMC2101-R-ACZL-TR EMC2101-R-ACZL-TR MICROCHIP TECHNOLOGY - MSOP PWM Fan Controller 2.562
>UCC3805DTR UCC3805DTR NATIONAL SEMICONDUCTOR - SOIC Low-Power BiCMOS Current-Mode PWM Controllers 3.096
>UC2856QDWRQ1 UC2856QDWRQ1 NATIONAL SEMICONDUCTOR - Current Mode PWM Controller 1.5A 220kHz Automotive 16-Pin SOIC T/R 12.559
>UCC2806D UCC2806D NATIONAL SEMICONDUCTOR - Current Mode PWM Controller 500mA 52kHz 16-Pin SOIC Tube 14.344
>UCC28C42P UCC28C42P NATIONAL SEMICONDUCTOR - Current Mode PWM Controller 18V 200mA 1000kHz 8-Pin PDIP Tube 2.7625
>UCC2809D-2 UCC2809D-2 NATIONAL SEMICONDUCTOR - Primary Side PWM Controller 0.8mA 1000kHz 8-Pin SOIC Tube 2.941
>L5991AD13TR L5991AD13TR STMICROELECTRONICS - No Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO T/R 3.1168
>MCP19125-E/MQ MCP19125-E/MQ MICROCHIP TECHNOLOGY - 28 Voltage Mode PWM Controller 20A 300kHz Automotive 28-Pin QFN EP Tube 2.2801
>TC642COA TC642COA MICROCHIP TECHNOLOGY - SOIC N PWM Fan Speed Controller 3.24
>TC652AEVUA TC652AEVUA MICROCHIP TECHNOLOGY - MSOP Brushless DC Fan Controller 4.164
>MCP1631T-E/ML MCP1631T-E/ML MICROCHIP TECHNOLOGY - 0.25(A) Current Mode PWM Controller 250mA 2000kHz Automotive 20-Pin QFN EP T/R 3.085
>MCP19215T-E/S8 MCP19215T-E/S8 MICROCHIP TECHNOLOGY - 32 Current Mode PWM Controller 25mA 2000kHz Automotive 32-Pin VQFN EP T/R 9.4035
>MCP1630VT-E/MS MCP1630VT-E/MS MICROCHIP TECHNOLOGY - MSOP Current Mode PWM Controller 1000kHz Automotive 8-Pin MSOP T/R 2.656
>MCP1630-E/MS MCP1630-E/MS MICROCHIP TECHNOLOGY - No Current Mode PWM Controller 1000kHz Automotive 8-Pin MSOP Tube 2.678
>LM5030SD/NOPB LM5030SD/NOPB NATIONAL SEMICONDUCTOR - Yes Current Mode PWM Controller 1.5A 200kHz/600kHz Automotive 10-Pin WSON EP T/R 3.2767
>LM5035BMHX/NOPB LM5035BMHX/NOPB NATIONAL SEMICONDUCTOR - Yes Voltage Mode PWM Controller 2A 50kHz to 1000kHz 20-Pin HTSSOP EP T/R 6.2358
>MCP19214-E/MQ MCP19214-E/MQ MICROCHIP TECHNOLOGY - 15(ns) Current Mode PWM Controller 25mA 2000kHz Automotive 28-Pin QFN EP Tube 1.8005
>ADM1041ARQZ ADM1041ARQZ ANALOG DEVICES - Secondary Side PWM Controller 5.1V 0.1mA 400kHz 24-Pin QSOP Tube 23.1767
Someone has searched this part IC Chips and others have searched some relevant parts as the following:
NATIONAL SEMICONDUCTOR
-
NO
Voltage Mode PWM Controller 500mA 550kHz 16-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Current Mode PWM Controller -0.1V to 11V 1A 500kHz 8-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Resonant Controllers 100mA 1000kHz 20-Pin SOIC Tube
MICROCHIP TECHNOLOGY
8
NO
PWM Fan Speed Controller
NATIONAL SEMICONDUCTOR
50(%)
NO
Current Mode PWM Controller 5V 1000kHz Automotive 8-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
PDIP
NO
Current Mode PWM Controller 5V 1000kHz Automotive 8-Pin PDIP Tube
MICROCHIP TECHNOLOGY
Surface Mount
NO
Voltage Mode PWM Controller 20A 300kHz 10-Pin DFN EP Tube
MICROCHIP TECHNOLOGY
MSOP
NO
PWM Fan Controller
NATIONAL SEMICONDUCTOR
SOIC
NO
Low-Power BiCMOS Current-Mode PWM Controllers
NATIONAL SEMICONDUCTOR
-
NO
Current Mode PWM Controller 1.5A 220kHz Automotive 16-Pin SOIC T/R
NATIONAL SEMICONDUCTOR
-
NO
Current Mode PWM Controller 500mA 52kHz 16-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Current Mode PWM Controller 18V 200mA 1000kHz 8-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Primary Side PWM Controller 0.8mA 1000kHz 8-Pin SOIC Tube
STMICROELECTRONICS
No
NO
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO T/R
MICROCHIP TECHNOLOGY
28
NO
Voltage Mode PWM Controller 20A 300kHz Automotive 28-Pin QFN EP Tube
MICROCHIP TECHNOLOGY
SOIC N
NO
PWM Fan Speed Controller
MICROCHIP TECHNOLOGY
MSOP
NO
Brushless DC Fan Controller
MICROCHIP TECHNOLOGY
0.25(A)
NO
Current Mode PWM Controller 250mA 2000kHz Automotive 20-Pin QFN EP T/R
MICROCHIP TECHNOLOGY
32
NO
Current Mode PWM Controller 25mA 2000kHz Automotive 32-Pin VQFN EP T/R
MICROCHIP TECHNOLOGY
MSOP
NO
Current Mode PWM Controller 1000kHz Automotive 8-Pin MSOP T/R
MICROCHIP TECHNOLOGY
No
NO
Current Mode PWM Controller 1000kHz Automotive 8-Pin MSOP Tube
NATIONAL SEMICONDUCTOR
Yes
NO
Current Mode PWM Controller 1.5A 200kHz/600kHz Automotive 10-Pin WSON EP T/R
NATIONAL SEMICONDUCTOR
Yes
NO
Voltage Mode PWM Controller 2A 50kHz to 1000kHz 20-Pin HTSSOP EP T/R
MICROCHIP TECHNOLOGY
15(ns)
NO
Current Mode PWM Controller 25mA 2000kHz Automotive 28-Pin QFN EP Tube
ANALOG DEVICES
-
NO
Secondary Side PWM Controller 5.1V 0.1mA 400kHz 24-Pin QSOP Tube

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