參數(shù)資料
型號: TL2575-15IN
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 4 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP16
封裝: ROHS COMPLIANT, PLASTIC, DIP-16
文件頁數(shù): 29/29頁
文件大?。?/td> 1019K
代理商: TL2575-15IN
www.ti.com
TEST CIRCUITS
TL2575-xx
Fixed Output
CIN
100
F
+
+VIN
1
3
GND
5
D1
2
L1
330
H
COUT
330
F
+
4
L
O
A
D
VOUT
VIN
Unregulated
DC Input
CIN = 100 F, Aluminum Electrolytic
COUT = 330 F, Aluminum Electrolytic
D1 = Schottky
L1 = 330
H (for 5-V VIN with 3.3-V VOUT, use 100 mH)
Fixed-Output Voltage
TL2575
(ADJ)
CIN
100
F
+
+VIN
1
3
GND
5
ON/OFF
D1
11DQ06
OUTPUT
2
L1
330
H
COUT
330
F
+
FEEDBACK
4
L
O
A
D
VOUT
7-V to 40-V
Unregulated
DC Input
Adjustable-Output Voltage
VOUT = VREF(1 + R2/R1) = 5 V
VREF = 1.23 V
R1 = 2 kW
R2 = 6.12 kW
R2
R1
ON/OFF
OUTPUT
FEEDBACK
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
SLVS638B – MAY 2006 – REVISED JANUARY 2007
A.
Pin numbers are for the KTT (TO-263) package.
Figure 2. Test Circuits and Layout Guidelines
9
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