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Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 6-27 V |
| Schaltfrequenz | 350 kHz |
| Ausgang 1 | 38 V / 1.2 A |
Beschreibung
Demonstration circuit 2257A features the LT M®8005– a 38VIN, 38VOUT boost μModule® LED driver that can dis-connect the output to protect against faults and provides spread spectrum switching to simplify emissions compli-ance. DC2257A is an LED driver with an input range for normal operation from 6V to 27V. OVLO becomes active for inputs above 29V and the maximum input voltage is 38V. The LED current is 1.2A and the base switching frequency is 350kHz. The efficiency is 92% when the input is 12V with a 35V LED load. 35V is the maximum LED voltage.
Eigenschaften
The demo circuit requires application of an external voltage to the PWM terminal for operation. The external voltage can be a DC level or an appropriate PWM dimming signal. Commonfrequencies for PWM dimming are 100Hz or higher. Analog dimming is achieved using the CTRL inputs
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | Pins (Value) (pcs) | Reihen | Gender | Typ | IR (A) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 60800213421 | SPEC | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.00 mm Jumper with Test Point | 2 | – | Jumper | – | 3 | Beutel | |
 | 62000311121 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.00 mm THT Pin Header | 3 | Single | Pin Header | Gerade | 2 | Beutel |
| Artikel Nr. | Datenblatt | |
|---|---|---|
| 60800213421 | SPEC |
| 62000311121 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | Pins (Value) (pcs) | Reihen | Gender | Typ | IR (A) | Verpackung | Muster |
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