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參數(shù)資料
| 型號： | L4973V3 |
| 廠商： | 意法半導(dǎo)體 |
| 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)： | 5/16頁 |
| 文件大?。?/td> | 222K |
| 代理商： | L4973V3 |
Sink Output Current
200
300
μ
A
Supply Voltage Ripple
Rejection
V
COMP
= VFB
C
REF
=4.7
μ
F 1-5mA load
current
R
L
=
∞
I
comp
= -0.1 to 0.1mA;
V
comp
= 6V
60
80
dB
DC Open Loop Gain
Transconductance
50
60
2.5
dB
mS
OSCILLATORSECTION
Ramp valley
Ramp peak
0.78
1.9
9
95
0.85
2.1
9.6
97
0.92
2.3
10.2
V
V
V
%
V
CC
= 8V
V
CC
= 55V
Maximum Duty Cycle
Maximum Frequency
Duty Cycle = 0%; R
OSC
=
13K
; C
OSC
= 820pF;
500
KHz
SYNC FUNCTION
High Input Voltage
Low Input Voltage
Slave Sink Current
Master Output Amplitude
Output Pulse Width
V
CC
= 8V to 55V
V
CC
= 8V to 55V
3.5
V
V
0.9
0.45
0.15
4
0.20
0.25
4.5
0.35
mA
V
μ
s
I
source
= 3mA
no load, V
sync
= 4.5V
(*) Pulse testingwith a low duty cycle.
(**) The maximum power dissipation of thepackage must be observed.
ELECTRICAL CHARACTERISTICS
(continued)
L4973
V
CC
C1
C2
R2
C7
C3
C4
C5
C6
R1
D1
L1
3
x
C0
C12
R3
R4
V
O
C8
4,5,6
13,14,15
7,8
1
9
17
1611
2,3
12
D97IN515B
(DIP18)
10
C1=1000
μ
F/63V
C2=220nF/63V
C3=470nF
C4=1
μ
F/50V
C5=220pF
C6=22nF
C7=2.7nF
C8=220nF/63V
C0=100
μ
F/40V(C9,C10,C11)
C12=Optional (220nF)
L1=150
μ
H K
OOL
μ
77310 - 40 Turns - 0.9mm
R1=9.1K
R2=20K
D1=GI SB560
V
O
(V)
3.3
R3(K
)
R4(K
)
5.1
12
15
18
24
0
2.7
12
16
20
30
4.7
4.7
4.7
4.7
4.7
L4973 V3.3
V
O
(V)
5.1
R3(K
)
R4(K
)
12
15
18
24
0
6.2
9.1
12
18
4.7
4.7
4.7
4.7
L4973 V5.1
Figure 1. EvaluationBoard Circuit
L4973V3 - L4973V5 - L4973D3- L4973D5
5/16
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PDF描述 |
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| L4973V5 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| L4973 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| L4973V3.3 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| L4973V3.3-L4973V5.1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4973V3.3 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V 3.5A Step-Down 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 |
| L4973V3.3-L4973V5.1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.5A STEP DOWN SWITCHING REGULATOR |
| L4973V33 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.5A STEP DOWN SWITCHING REGULATOR |
| L4973V33-L4973V51 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.5A STEP DOWN SWITCHING REGULATOR |
| L4973V5 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.5A STEP DOWN SWITCHING REGULATOR |
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