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KA3843 |
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| Part Number | KA3843 |
| Manufacturer | ETC |
| Description | KA3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF−Line and DC to DC converter applications with a minimal external components. Internally implemente... |
| Features |
• Low Start-Up and Operating Current • High Current Totem Pole Output • Undervoltage Lockout With Hysteresis • Operating Frequency Up To 300KHz (384XA) 500KHz (384XAM) BLOCK DIAGRAM (toggle flip flop used only in UC3844, UC3845) PIN CONNECTION (TOP VIEW) Absolute Maximum Ratings Characteristic Supply Voltage (low impedance source) Output Current Input Voltage (Analog Inputs pins 2,3) Error Amp Output Sink Current Power Dissipation (TA=250C) Storage Temperature Range Lead Temperature (soldering 5 sec.) Symbol VCC IO VI ISINK (E.A) PO Tstg TL Value 30 ±1 −0.3 to 5.5 10 1 -65 to150 260 Uni... |
| Document |
 KA3843 Data Sheet
PDF 554.13KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | KA3842 |
ETC |
CurrentMode PWM Controller |
|
| 2 | KA3842A |
Wing Shing Computer Components |
PWM CONTROLLER |
|
| 3 | KA3842AC |
Fairchild Semiconductor |
SMPS Controller |
|
| 4 | KA3842AE |
Fairchild Semiconductor |
SMPS Controller |
|
| 5 | KA3842AM |
Wing Shing Computer Components |
PWM CONTROLLER |
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