
- ΠΠ°Π»ΠΈΡΠΈΠ΅: ΠΠΎΠ΄ Π·Π°ΠΊΠ°Π· 3-4 Π½Π΅Π΄Π΅Π»ΠΈ
DC/DC CONV, SYNC BUCK, 2.2MHZ, TSSOP-20.
The LM26420XMH/NOPB is a high frequency synchronous Step-down DC-DC Regulator has the ability to drive two 2A loads with an internal 75mR PMOS top switch and an internal 50mR NMOS bottom switch using state-of-the-art BICMOS technology results in the best power density available. The world-class control circuitry allow on times as low as 30ns, thus supporting exceptionally high-frequency conversion over the entire 3 to 5.5V input operating range down to the minimum output voltage of 0.8V. Although the operating frequency is high, efficiencies up to 93% are easy to achieve. External shutdown is included, featuring an ultra-low standby current. It utilizes current-mode control and internal compensation to provide high performance regulation over a wide range of operating conditions. It features independent precision enables that allow the converter to be controlled by an external signal.
Π₯Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ | |
SVHC (ΠΡΠΎΠ±ΠΎ ΠΠΏΠ°ΡΠ½ΡΠ΅ ΠΠ΅ΡΠ΅ΡΡΠ²Π°) | No SVHC (15-Jun-2015) |
ΠΡΡ ΠΎΠ΄Π½ΠΎΠ΅ ΠΠ°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ - ΠΡΡ ΠΎΠ΄ 1 | 4.5Π |
ΠΡΡ ΠΎΠ΄Π½ΠΎΠΉ Π’ΠΎΠΊ - ΠΡΡ ΠΎΠ΄ 1 | 2Π |
ΠΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ ΠΡΠ²ΠΎΠ΄ΠΎΠ² | 20Π²ΡΠ²ΠΎΠ΄(-ΠΎΠ²) |
ΠΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ ΠΡΡ ΠΎΠ΄ΠΎΠ² | 2 ΠΡΡ ΠΎΠ΄Π° |
ΠΠΎΡΠΏΡΡ ΠΠ‘ DC / DC ΠΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Ρ | TSSOP |
ΠΠΈΠ½ΠΈΡ ΠΡΠΎΠ΄ΡΠΊΡΠΈΠΈ | - |
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΅ | 5.5Π |
ΠΠΈΠ½ΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ΅ ΠΡ ΠΎΠ΄Π½ΠΎΠ΅ ΠΠ°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ | 3Π |
Π’ΠΈΠΏ ΠΡΡ ΠΎΠ΄Ρ Π Π΅Π³ΡΠ»ΡΡΠΎΡΠ° | Π Π΅Π³ΡΠ»ΠΈΡΡΠ΅ΠΌΡΠΉ |
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° | ΠΠΎΡΡΡΡΠ½ΠΎ |
Π£ΡΠΎΠ²Π΅Π½Ρ Π§ΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΊ ΠΠ»Π°ΠΆΠ½ΠΎΡΡΠΈ (MSL) | MSL 1 - ΠΠ΅Π·Π»ΠΈΠΌΠΈΡΠ½ΡΠΉ |
Π§Π°ΡΡΠΎΡΠ° ΠΠΎΠΌΠΌΡΡΠ°ΡΠΈΠΈ | 2.2ΠΠΡ |