A5974ADTR STMicroelectronics, A5974ADTR Datasheet - Page 34

• Manufacturer Part Number: A5974ADTR
• Description: IC REG SW STEP-DOWN 2A 8SOIC
• Manufacturer: STMicroelectronics
• Series: -r
• Type: Step-Down (Buck), PWMr

Specifications of A5974ADTR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.235 V ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 500kHz
• Voltage - Input: 4 V ~ 36 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11423-2

Application information
8.5
Figure 21. Demonstration board application circuit
34/49
Application circuit
Figure 21
V
due to the voltage rating of the output capacitor.
Table 9.
CC
, can range from 4 V to 36 V and the output voltage is adjustable from 1.235 V to 6.3 V
Reference
C10
C1
C2
C3
C4
R1
R2
R3
D1
L1
shows the demonstration board application circuit, where the input supply voltage,
Component list
POSCAP 6TVB330ML
UMK325BJ106MM-T
MSS1246T-123ML
Part number
STPS3L40U
Doc ID 018762 Rev 1
5.6 kΩ, 1%, 0.1 W 0603
3.3 kΩ, 1%, 0.1 W 0603
4.7 kΩ, 1%, 0.1 W 0603
12 µH, I
150 pF, 5%, 0603
68 nF, 5%, 0603
22 nF, 5%, 0603
330 µF, 25 mΩ
Description
10 µF, 50 V
3 A, 40 V
RMS
20°C 3 A
STMicroelectronics
Manufacturer
Taiyo Yuden
Coilcraft
Sanyo
A5974AD