參數(shù)資料
型號: LT1933
廠商: Linear Technology Corporation
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 3/16頁
文件大?。?/td> 629K
代理商: LT1933
3
LT1933
1933f
TYPICAL PERFOR AU
Efficiency, V
OUT
= 5V
Efficiency, V
OUT
= 3.3V
Switch Current Limit
Maximum Load Current
Maximum Load Current
Switch Voltage Drop
Feedback Voltage
Undervoltage Lockout
Switching Frequency
TEMPERATURE (
°
C)
–50
F
1.260
1.255
1.250
1.240
1.230
1.245
1.235
–25
0
25
1933 G07
50
75
100
125
TEMPERATURE (
°
C)
–50
U
3.8
3.6
3.4
3.2
3.0
–25
0
25
1933 G08
50
75
100
125
TEMPERATURE (
°
C)
–50
S
600
550
500
450
400
–25
0
25
1933 G09
50
75
100
125
INPUT VOLTAGE (V)
0
L
600
700
20
1933 G04
500
400
5
10
15
30
25
800
L = 22
μ
H
L = 33
μ
H
T
A
= 25
C
V
OUT
= 5V
INPUT VOLTAGE (V)
0
L
600
700
20
1933 G05
500
400
5
10
15
30
25
800
L = 22
μ
H
L = 15
μ
H
T
A
= 25
C
V
OUT
= 3.3V
LOAD CURRENT (mA)
0
80
90
100
300
400
1933 G01
70
100
200
600
500
60
E
V
IN
= 24V
V
IN
= 12V
T
A
= 25
°
C
V
OUT
= 5V
D1 = MBRM140
L1 = Toko D53LCB 33
μ
H
LOAD CURRENT (mA)
0
80
90
100
300
400
1933 G02
70
100
200
600
500
60
E
V
IN
= 24V
V
IN
= 12V
V
IN
= 5V
T
A
= 25
°
C
V
OUT
= 3.3V
D1 = MBRM140
L1 = Toko D53LCB 22
μ
H
DUTY CYCLE (%)
0
S
600
800
1200
1000
80
1933 G03
400
200
0
20
40
60
100
MINIMUM
TYPICAL
T
A
= 25
°
C
SWITCH CURRENT (A)
0
0
S
100
200
300
400
600
500
0.2
0.4
1933 G06
0.6
0.1
0.3
0.5
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
相關(guān)PDF資料
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LT1934ES6-1 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
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