參數(shù)資料
型號： TL2575-15I
廠商： Texas Instruments, Inc.
元件分類： 基準電壓源/電流源
英文描述： 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
中文描述： 1，一個簡單的步驟式開關穩(wěn)壓器
文件頁數(shù)： 7/31頁
文件大?。?/td> 923K
代理商： TL2575-15I
www.ti.com
TL2575HV 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
TL2575HV
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
14.25
TYP
3.3
3.3
MAX
3.366
3.450
3.482
5.1
5.225
5.275
12.24
12.54
12.66
15.3
15.68
15.83
V
IN
= 12 V, I
LOAD
= 0.2 A
25
°
C
25
°
C
TL2575HV-33
4.75 V
≤
V
IN
≤
60 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
TL2575HV-05
8 V
≤
V
IN
≤
60 V,
0.2 A
≤
I
LOAD
≤
1 A
V
OUT
Output voltage
V
V
IN
= 25 V, I
LOAD
= 0.2 A
12
12
TL2575HV-12
15 V
≤
V
IN
≤
60 V,
0.2 A
≤
I
LOAD
≤
1 A
V
IN
= 30 V, I
LOAD
= 0.2 A
15
15
15
TL2575HV-15
18 V
≤
V
IN
≤
60 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
TL2575HV-ADJ
V
25
°
C
1.193
1.180
1.23
1.273
1.286
8 V
≤
V
IN
≤
60 V, V
OUT
= 5 V,
0.2 A
≤
I
LOAD
≤
1 A
Full range
TL2575HV-33
TL2575HV-05
TL2575HV-12
TL2575HV-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
%
TL2575HV-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
= 60
(4)
, Output = 0 V
V
IN
= 60
(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)
7
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相關代理商/技術參數(shù)
參數(shù)描述
TL2575-15IKTTR 功能描述:直流/直流開關調(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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL2575-15IKTTRG3 功能描述:直流/直流開關調(diào)節(jié)器 1A Simple Step-Down Switching Vltg Regs RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL2575-15IKV 功能描述:直流/直流開關調(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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL2575-15IN 功能描述:直流/直流開關調(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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TL2575-15INE4 功能描述:直流/直流開關調(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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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