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TL2575-ADJIKTTRG3 Datenblatt(PDF) 6 Page - Texas Instruments

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Teilenummer TL2575-ADJIKTTRG3
Bauteilbeschribung  1-A Simple Step-Down Switching Voltage Regulators
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TL2575-ADJIKTTRG3 Datenblatt(HTML) 6 Page - Texas Instruments

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TL2575, TL2575HV
SLVS638C – JANUARY 2006 – REVISED NOVEMBER 2014
www.ti.com
Electrical Characteristics — TL2575 (continued)
ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version
(unless otherwise noted) (see Figure 11)
TL2575
PARAMETER
TEST CONDITIONS
TJ
UNIT
MIN
TYP
MAX
25°C
2.2
1.4
ON/OFF high-level logic
VIH
OFF (VOUT = 0 V)
V
input voltage
Full range
2.4
25°C
1.2
1
ON/OFF low-level logic
VIL
ON (VOUT = nominal voltage)
V
input voltage
Full range
0.8
IIH
ON/OFF high-level input current
OFF (ON/OFF = 5 V)
25°C
12
30
μA
IIL
ON/OFF low-level input current
ON (ON/OFF = 0 V)
25°C
0
10
μA
7.6
Electrical Characteristics — TL2575HV
ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version
(unless otherwise noted) (see Figure 11)
TL2575HV
PARAMETER
TEST CONDITIONS
TJ
UNIT
MIN
TYP
MAX
VIN = 12 V, ILOAD = 0.2 A
25°C
3.234
3.3
3.366
TL2575HV-33
25°C
3.168
3.3
3.450
4.75 V
≤ VIN ≤ 60 V,
0.2 A
≤ ILOAD ≤ 1 A
Full range
3.135
3.482
VIN = 12 V, ILOAD = 0.2 A
25°C
4.9
5
5.1
TL2575HV-05
25°C
4.8
5
5.225
8 V
≤ VIN ≤ 60 V,
0.2 A
≤ ILOAD ≤ 1 A
Full range
4.75
5.275
VOUT
Output voltage
V
VIN = 25 V, ILOAD = 0.2 A
25°C
11.76
12
12.24
TL2575HV-12
25°C
11.52
12
12.54
15 V
≤ VIN ≤ 60 V,
0.2 A
≤ ILOAD ≤ 1 A
Full range
11.4
12.66
VIN = 30 V, ILOAD = 0.2 A
25°C
14.7
15
15.3
TL2575HV-15
25°C
14.4
15
15.68
18 V
≤ VIN ≤ 60 V,
0.2 A
≤ ILOAD ≤ 1 A
Full range
14.25
15
15.83
VIN = 12 V, VOUT = 5 V,
25°C
1.217
1.23
1.243
ILOAD = 0.2 A
Feedback voltage
TL2575HV-ADJ
V
25°C
1.193
1.23
1.273
8 V
≤ VIN ≤ 60 V, VOUT = 5 V,
0.2 A
≤ ILOAD ≤ 1 A
Full range
1.180
1.286
TL2575HV-33
VIN = 12 V, ILOAD = 1 A
75%
TL2575HV-05
VIN = 12 V, ILOAD = 1 A
77%
TL2575HV-12
VIN = 15 V, ILOAD = 1 A
88%
η
Efficiency
25°C
TL2575HV-15
VIN = 18 V, ILOAD = 1 A
88%
VIN = 12 V, VOUT = 5 V,
TL2575HV-ADJ
77%
ILOAD = 1 A
25°C
50
100
IIB
Feedback bias current
VOUT = 5 V (ADJ version only)
nA
Full range
500
25°C
47
52
58
fo
Oscillator frequency(1)
kHz
Full range
42
63
25°C
0.9
1.2
VSAT
Saturation voltage
IOUT = 1 A
(2)
V
Full range
1.4
Maximum duty cycle(3)
25°C
93%
98%
(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.
(2)
Output is not connected to diode, inductor, or capacitor. Output is sourcing current.
(3)
FEEDBACK is disconnected from output and connected to 0 V.
6
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Copyright © 2006–2014, Texas Instruments Incorporated
Product Folder Links: TL2575 TL2575HV


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