
- ΠΠ°Π»ΠΈΡΠΈΠ΅: ΠΠΎΠ΄ Π·Π°ΠΊΠ°Π· 3-4 Π½Π΅Π΄Π΅Π»ΠΈ
DC/DC CONV, SYNC BUCK, 500KHZ, 2A, SOT-6.
The TPS54202DDCT is a 4.5V to 28V input, 2A output, EMI friendly synchronous step down converter in 6 pin SOT package. This device includes two integrated switching FETs, internal loop compensation and 5ms internal soft start to reduce component count. It achieves the high power density and offers small footprint on PCB. Advanced Eco-mode implementation maximizes the light load efficiency and reduces the power loss. The frequency spread spectrum operation is introduced for EMI reduction. Cycle by cycle current limit in both high side MOSFET protects the converter in over load condition and is enhanced by a low side MOSFET freewheeling current limit which prevents current runaway. Hiccup mode protection will be triggered if over current condition has persisted for longer than the present time. It is used in 12V, 24V distributed power-bus supply, white goods, STB, DTV and printer.
Π₯Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ | |
ΠΡΡ ΠΎΠ΄Π½ΠΎΠΉ Π’ΠΎΠΊ | 2Π |
ΠΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ ΠΡΠ²ΠΎΠ΄ΠΎΠ² | 6Π²ΡΠ²ΠΎΠ΄(-ΠΎΠ²) |
ΠΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ ΠΡΡ ΠΎΠ΄ΠΎΠ² | 1Π²ΡΡ ΠΎΠ΄(-ΠΎΠ²) |
ΠΠΎΡΠΏΡΡ ΠΠ‘ DC / DC ΠΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Ρ | SOT |
ΠΠΈΠ½ΠΈΡ ΠΡΠΎΠ΄ΡΠΊΡΠΈΠΈ | TPS54202 Series |
ΠΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½Π°Ρ Π Π°Π±ΠΎΡΠ°Ρ Π’Π΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ° | 125Β°C |
ΠΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ΅ ΠΡ ΠΎΠ΄Π½ΠΎΠ΅ ΠΠ°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ | 28Π |
ΠΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ΅ ΠΡΡ ΠΎΠ΄Π½ΠΎΠ΅ ΠΠ°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ | 26Π |
ΠΠΈΠ½ΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ΅ ΠΡ ΠΎΠ΄Π½ΠΎΠ΅ ΠΠ°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ | 4.5Π |
ΠΠΈΠ½ΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ΅ ΠΡΡ ΠΎΠ΄Π½ΠΎΠ΅ ΠΠ°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ | 600ΠΌΠ |
Π’ΠΎΠΏΠΎΠ»ΠΎΠ³ΠΈΡ (ΠΠ±ΡΠ°Ρ Π‘Ρ Π΅ΠΌΠ° Π‘ΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠΉ) | Π‘ΠΈΠ½Ρ ΡΠΎΠ½Π½ΡΠΉ ΠΠΎΠ½ΠΈΠΆΠ°ΡΡΠΈΠΉ (Step Down) |
Π£ΠΏΠ°ΠΊΠΎΠ²ΠΊΠ° | Π Π°Π·ΡΠ΅Π·Π½Π°Ρ ΠΠ΅Π½ΡΠ° |
Π£ΡΠΎΠ²Π΅Π½Ρ Π§ΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΊ ΠΠ»Π°ΠΆΠ½ΠΎΡΡΠΈ (MSL) | MSL 1 - ΠΠ΅Π·Π»ΠΈΠΌΠΈΡΠ½ΡΠΉ |
Π§Π°ΡΡΠΎΡΠ° ΠΠΎΠΌΠΌΡΡΠ°ΡΠΈΠΈ | 500ΠΊΠΡ |