A5974DTR STMicroelectronics, A5974DTR Datasheet - Page 37
![no-image](/images/manufacturer_photos/0/6/637/stmicroelectronics_sml.jpg)
A5974DTR
Manufacturer Part Number
A5974DTR
Description
IC BUCK ADJ 2.5A 8SOIC
Manufacturer
STMicroelectronics
Series
-r
Type
Step-Down (Buck)r
Datasheet
1.A5974DTR.pdf
(60 pages)
Specifications of A5974DTR
Internal Switch(s)
-
Synchronous Rectifier
-
Number Of Outputs
-
Voltage - Output
1.235 V ~ 35 V
Current - Output
2.5A
Frequency - Switching
250kHz
Voltage - Input
4 V ~ 36 V
Operating Temperature
-
Mounting Type
*
Package / Case
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-11424-2
- Current page: 37 of 60
- Download datasheet (5Mb)
Application example
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Application example: buck-boost SMPS offline LED driver
0
1
LEDs
AC
2
Controller
3
Current regulation
VIPerxx
Rsense
4
5
6
Application example: buck SMPS offline LED driver
7
LED current
8
Controller
9
VIPerxx
AC
Controller
90
80
70
60
50
40
30
20
10
0
Application example: flyback SMPS for offline LED driver
VIPerxx
0
1
Pout (W)
2
Bipolar current
control
3
Efficiency variation
4
Vin = 110 Vac
5
6
current control
TSMxx/SEA05
Voltage and
7
8
Vin = 220 Vac
9
10
37
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