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| 型號(hào)： | TL2575ADJI |
| 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(jiǎn)單的步驟式開關(guān)穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 5/28頁(yè) |
| 文件大?。?/td> | 916K |
| 代理商： | TL2575ADJI |
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TL2575 Electrical Characteristics
I
LOAD
= 200 mA, V
IN
= 12 V for 3.3-V, 5-V, and adjustable versions, V
IN
= 25 V for 12-V version, V
IN
= 30 V for 15-V version
(unless otherwise noted) (see
Figure 2
)
TL2575, TL2575HV
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
SLVS638B–MAY 2006–REVISED JANUARY 2007
TL2575
PARAMETER
TEST CONDITIONS
T
J
UNIT
MIN
3.234
3.168
3.135
4.9
4.8
4.75
11.76
11.52
11.4
14.7
14.4
TYP
3.3
3.3
MAX
3.366
3.432
3.465
5.1
5.2
5.25
12.24
12.48
12.6
15.3
15.6
15.75
V
IN
= 12 V, I
LOAD
= 0.2 A
25
°
C
25
°
C
TL2575-33
4.75 V
≤
V
IN
≤
40 V,
0.2 A
≤
I
LOAD
≤
1 A
Full range
25
°
C
25
°
C
Full range
25
°
C
25
°
C
Full range
25
°
C
25
°
C
Full range
V
IN
= 12 V, I
LOAD
= 0.2 A
5
5
TL2575-05
8 V
≤
V
IN
≤
40 V,
0.2 A
≤
I
LOAD
≤
1 A
V
OUT
Output voltage
V
V
IN
= 25 V, I
LOAD
= 0.2 A
12
12
TL2575-12
15 V
≤
V
IN
≤
40 V,
0.2 A
≤
I
LOAD
≤
1 A
V
IN
= 30 V, I
LOAD
= 0.2 A
15
15
15
TL2575-15
18 V
≤
V
IN
≤
40 V,
0.2 A
≤
I
LOAD
≤
1 A
V
IN
= 12 V, V
OUT
= 5 V,
I
LOAD
= 0.2 A
25
°
C
1.217
1.23
1.243
Feedback voltage
TL2575-ADJ
V
25
°
C
1.193
1.18
1.23
1.267
1.28
8 V
≤
V
IN
≤
40 V, V
OUT
= 5 V,
0.2 A
≤
I
LOAD
≤
1 A
Full range
TL2575-33
TL2575-05
TL2575-12
TL2575-15
V
IN
= 12 V, I
LOAD
= 1 A
V
IN
= 12 V, I
LOAD
= 1 A
V
IN
= 15 V, I
LOAD
= 1 A
V
IN
= 18 V, I
LOAD
= 1 A
V
IN
= 12 V, V
OUT
= 5 V,
I
LOAD
= 1 A
75
77
88
88
η
Efficiency
25
°
C
%
TL2575-ADJ
77
25
°
C
50
100
500
58
63
1.2
1.4
I
IB
Feedback bias current
V
OUT
= 5 V (ADJ version only)
nA
Full range
25
°
C
Full range
25
°
C
Full range
25
°
C
25
°
C
Full range
47
42
52
f
o
Oscillator frequency
(1)
kHz
0.9
V
SAT
Saturation voltage
I
OUT
= 1 A
(2)
V
Maximum duty cycle
(3)
93
1.7
1.3
98
2.8
%
3.6
I
CL
Switch peak current
(1)(2)
A
4
2
V
IN
= 40
(4)
, Output = 0 V
V
IN
= 40
(4)
, Output = –1 V
I
L
Output leakage current
25
°
C
mA
7.5
30
10
I
Q
I
STBY
Quiescent current
(4)
Standby quiescent current
25
°
C
25
°
C
5
mA
μ
A
OFF (ON/OFF = 5 V)
50
200
(1)
In the event of an output short or an overload condition, self-protection features lower the oscillator frequency to
～
18 kHz and the
minimum duty cycle from 5% to
～
2%. The resulting output voltage drops to
～
40% of its nominal value, causing the average power
dissipated by the IC to lower.
Output is not connected to diode, inductor, or capacitor. Output is sourcing current.
FEEDBACK is disconnected from output and connected to 0 V.
To force the output transistor off, FEEDBACK is disconnected from output and connected to 12 V for the adjustable, 3.3-V, and 5-V
versions and to 25 V for the 12-V and 15-V versions.
(2)
(3)
(4)
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL2575-ADJIKTTR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1-A Step-Down Vltge RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TL2575-ADJIKTTRG3 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 SWITCHING Vltg REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TL2575-ADJIKV | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1-A Simple Step-Down Switching RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TL2575-ADJIKV | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| TL2575-ADJIN | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1A Simple Step-Down Voltage Regulators RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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