參數(shù)資料
型號: TL2575
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
中文描述: 1,一個(gè)簡單的步驟式開關(guān)穩(wěn)壓器
文件頁數(shù): 9/23頁
文件大小: 2155K
代理商: TL2575
www.ti.com
TEST CIRCUITS
TL2575-xx
Fixed Output
C
IN
100
μ
F
+
+V
IN
1
3
GND
5
D1
2
L1
330
μ
H
C
OUT
330
μ
F
+
4
L
O
A
D
V
OUT
V
IN
Unregulated
DC Input
C
IN
= 100
μ
F, Aluminum Electrolytic
C
OUT
= 330
μ
F, Aluminum Electrolytic
D1 = Schottky
L1 = 330
μ
H (for 5-V V
IN
with 3.3-V V
OUT
, use 100 H)
Fixed-Output Voltage
TL2575
(ADJ)
C
IN
100
μ
F
+
+V
IN
1
3
GND
5
ON/OFF
D1
11DQ06
OUTPUT
2
L1
330
μ
H
C
OUT
330
μ
F
+
FEEDBACK
4
L
O
A
D
V
OUT
7-V to 40-V
Unregulated
DC Input
Adjustable-Output Voltage
V
OUT
= V
REF
(1 + R2/R1) = 5 V
V
REF
= 1.23 V
R1 = 2 k
R2 = 6.12 k
R2
R1
ON/OFF
OUTPUT
FEEDBACK
TL2575, TL2575HV
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
SLVS638–MAY 2006
A.
Pin numbers are for the KTT (TO-263) package.
Figure 2. Test Circuits and Layout Guidelines
9
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