參數(shù)資料
型號(hào): TC2574-VOETR
元件分類: 穩(wěn)壓器
英文描述: 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO16
封裝: WIDE, SOIC-16
文件頁(yè)數(shù): 11/25頁(yè)
文件大?。?/td> 212K
代理商: TC2574-VOETR
19
TC2574
0.5A Step-Down Switching Regulator
TC2574-1 1/6/00
Figure 17. Schematic Diagram of the TC2574 (5V) Step-Down Converter
The TC2574–5 Step-Down Voltage Regulator with 5.0V @ 0.5A Output Power Capability.
Typical Application with Through-Hole PC Board Layout
D1
1N5819
L1
330
H
Output
7
1
Feedback
Unregulated
DC Input
+VIN = 7.0 to 40 V
C2
220
F
C1
220
F
TC2574
(5V)
5
4
3
Pwr
GND
+VIN
Regulated Output
+VOUT = 5.0V @ 0.5 A
GND
C1 – 22
F, 63V, Aluminum Electrolytic
C2 – 220
F, 16V, Aluminum Electrolytic
D1 – 1.0A, 40V, Schotty Rectifier, 1N5819
L1 – 330
H, RL-1284-330, Renco Electronics
GND
2Sig
GND
ON/OFF
Figure 18. PC Board Layout Component Side
Figure 19. PC Board Layout Copper Side
TC2574–5.0
C1
C2
+
U1
L1
D1
VOUT
GND
+VIN
NOTE: Not to scale.
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