L4978 STMicroelectronics, L4978 Datasheet - Page 12
L4978
Manufacturer Part Number
L4978
Description
IC REG SW 2A STEP DOWN 8-DIP
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet
1.L4978.pdf
(13 pages)
Specifications of L4978
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3 ~ 50 V
Current - Output
2A
Frequency - Switching
100kHz ~ 300kHz
Voltage - Input
8 ~ 55 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Power - Output
1W
Output Voltage
50 V
Output Current
2 A
Input Voltage
8 V to 55 V
Switching Frequency
90 KHz to 110 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
Through Hole
Duty Cycle (max)
97 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6701-5
E-L4978
E-L4978
L4978
E-L4978
E-L4978
L4978
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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Manufacturer:
STMicroelectronics
Quantity:
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L4978
Manufacturer:
ST
Quantity:
20 000
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Manufacturer:
ST-MICROE
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Part Number:
L4978D013TR
Manufacturer:
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101
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L4978
Table 7. Revision History
12/13
October 2001
May 2005
Date
Revision
8
9
First Issue
Modified D1 on the Fig. 4.
Description of Changes