參數(shù)資料
型號(hào)： LM2575-ADJ
廠商： Motorola, Inc.
英文描述： EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR
中文描述： 易SWITCHERE⑩1.0降壓穩(wěn)壓器
文件頁數(shù)： 3/28頁
文件大?。?/td> 400K
代理商： LM2575-ADJ
LM2575
3
MOTOROLA ANALOG IC DEVICE DATA
OPERATING RATINGS
(Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed
specifications and test conditions, see the Electrical Characteristics.)
Rating
Symbol
Value
Unit
Operating Junction Temperature Range
TJ
Vin
–40 to +125
°
C
Supply Voltage
40
V
SYSTEM PARAMETERS
([Note 1] Test Circuit Figure 14)
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Vin = 12 V for the 3.3 V, 5.0 V, and Adjustable version, Vin = 25 V for
the 12 V version, and Vin = 30 V for the 15 V version. ILoad = 200 mA. For typical values TJ = 25
°
C, for min/max values TJ is the operating
junction temperature range that applies [Note 2], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
LM2575–3.3
([Note 1] Test Circuit Figure 14)
Output Voltage (Vin = 12 V, ILoad = 0.2 A, TJ = 25
°
C)
Output Voltage (4.75 V
≤
Vin
≤
40 V, 0.2 A
≤
ILoad
≤
1.0 A)
TJ = 25
°
C
TJ = –40 to +125
°
C
Efficiency (Vin = 12 V, ILoad = 1.0 A)
LM2575–5
([Note 1] Test Circuit Figure 14)
Vout
Vout
3.234
3.3
3.366
V
V
3.168
3.135
3.3
–
3.432
3.465
η
–
75
–
%
Output Voltage (Vin = 12 V, ILoad = 0.2 A, TJ = 25
°
C)
Output Voltage (8.0 V
≤
Vin
≤
40 V, 0.2 A
≤
ILoad
≤
1.0 A)
TJ = 25
°
C
TJ = –40 to +125
°
C
Efficiency (Vin = 12 V, ILoad = 1.0 A)
LM2575–12
([Note 1] Test Circuit Figure 14)
Vout
Vout
4.9
5.0
5.1
V
V
4.8
4.75
5.0
–
5.2
5.25
η
–
77
–
%
Output Voltage (Vin = 25 V, ILoad = 0.2 A, TJ = 25
°
C)
Output Voltage (15 V
≤
Vin
≤
40 V, 0.2 A
≤
ILoad
≤
1.0 A)
TJ = 25
°
C
TJ = –40 to +125
°
C
Efficiency (Vin = 15V, ILoad = 1.0 A)
LM2575–15
([Note 1] Test Circuit Figure 14)
Vout
Vout
11.76
12
12.24
V
V
11.52
11.4
12
–
12.48
12.6
η
–
88
–
%
Output Voltage (Vin = 30 V, ILoad = 0.2 A, TJ = 25
°
C)
Output Voltage (18 V
≤
Vin
≤
40 V, 0.2 A
≤
ILoad
≤
1.0 A)
TJ = 25
°
C
TJ = –40 to +125
°
C
Efficiency (Vin = 18 V, ILoad = 1.0 A)
LM2575 ADJUSTABLE VERSION
([Note 1] Test Circuit Figure 14)
Vout
Vout
14.7
15
15.3
V
V
14.4
14.25
15
–
15.6
15.75
η
–
88
–
%
Feedback Voltage (Vin = 12 V, ILoad = 0.2 A, Vout = 5.0 V, TJ = 25
°
C)
Feedback Voltage (8.0 V
≤
Vin
≤
40 V, 0.2 A
≤
ILoad
≤
1.0 A, Vout = 5.0 V)
TJ = 25
°
C
TJ = –40 to +125
°
C
Efficiency (Vin = 12 V, ILoad = 1.0 A, Vout = 5.0 V)
VFB
VFB
1.217
1.23
1.243
V
V
1.193
1.18
1.23
–
1.267
1.28
η
–
77
–
%
NOTES:
1.External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the
LM2575 is used as shown in the Figure 14 est circuit, system performance will be as shown in system parameters section.
2.Tested junction temperature range for the LM2575: Tlow
= –40
°
C
Thigh = +125
°
C
相關(guān)PDF資料
PDF描述
LM2575D2T-12 EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM2576-12 Easy Switcher 3.0A Step-Down Voltage Regulator
LM2576-15 Easy Switcher 3.0A Step-Down Voltage Regulator
LM2576-3.3 Easy Switcher 3.0A Step-Down Voltage Regulator
LM2576-5 Easy Switcher 3.0A Step-Down Voltage Regulator
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