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參數資料
| 型號： | LR645 |
| 廠商： | Supertex, Inc. |
| 英文描述： | High Input Voltage SMPS Start-up / Linear Regulator |
| 中文描述： | 高輸入電壓開關電源啟動/線性穩(wěn)壓器 |
| 文件頁數： | 2/4頁 |
| 文件大小： | 322K |
| 代理商： | LR645 |
2
+
–
V
OUT
GND
Gate
V
IN
Trim
Thermal Characteristics
Package
Power Dissipation
@ T
A
= 25
°
C
0.31W
θ
jc
θ
ja
°
C/W
°
C/W
SO-8
156
400
TO-92
0.74W
125
170
TO-220
1.8W
8.3
70
TO-243AA
1.6W
15
78
Mounted on FR5 board, 25mm x 25mm x 1.57mm.
Significant P
D
increase possible on ceramic substrate.
Block Diagram
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
V
OUT
V
OUT
V
OUT
V
OUT
V
IN
I
INQ
I
OFF
I
AUX
V
OUT
/
V
IN
e
n
I
PEAK
V
AUX
Output Voltage
9.3
10
10.7
V
No load
Output Voltage over Temperature
1
9.0
10
11.5
V
T
J
= -40
°
C
≤
to + 125
°
C, No load
V
IN
=15V to 400V, No load
V
IN
=50V, I
OUT
=0 to 3.0mA
Line Regulation
40
200
mV
Load Regulation
150
400
mV
Operating Input Voltage Range
15
450
V
Input Quiescent Current
50
150
μ
A
μ
A
μ
A
No Load
V
IN
Off-State Leakage Current
Input Current to V
OUT
Ripple Rejection Ratio
1
0.1
10
V
AUX
≥
V
OUT
+1V applied to V
OUT
pin
V
AUX
≥
V
OUT
+1V applied to V
OUT
pin
120Hz, No Load
200
50
60
dB
Noise voltage
1
25
μ
V
0.01 to 100KHz
Output Peak Current
2
30
mA
C
OUT
= 10
μ
F, V
IN
= 400V
External Voltage Applied to V
OUT
13.2
V
Electrical Characteristics
Test conditions unless otherwise specified: T
A
= 25
°
C; V
IN
= 15 to 450V, C
OUT
= 0.01
μ
F
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
V
OUT
V
OUT
V
OUT
Output Voltage Trim Range
1
8
12
V
No load
Load Regulation at 8V trim
1
200
400
mV
V
IN
=15V, I
OUT
=0 to 1.0mA
V
IN
=50V, I
OUT
=0 to 3.0mA
Load Regulation at 12V trim
1
100
400
mV
Notes:
1. Guaranteed by design, not tested in production.
2. Pulse test duration < 1msec, Duty cycle < 2%
8-pin, adjustable output voltage version only.
Test conditions unless otherwise specified: T
A
= 25
°
C; V
IN
= 15 to 450V, C
OUT
= 0.01
μ
F
LR645
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PDF描述 |
|---|---|
| LR645LG | High Input Voltage SMPS Start-up / Linear Regulator |
| LR645N3 | High Input Voltage SMPS Start-up / Linear Regulator |
| LR645N5 | High Input Voltage SMPS Start-up / Linear Regulator |
| LR645N8 | High Input Voltage SMPS Start-up / Linear Regulator |
| LR645ND | High Input Voltage SMPS Start-up / Linear Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LR645_07 | 制造商:SUPERTEX 制造商全稱:SUPERTEX 功能描述:High Input Voltage SMPS Start-up / Linear Regulator |
| LR645LG | 功能描述:線性穩(wěn)壓器 - 標準 Fixed/Adj Hi In V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LR645LG-G | 功能描述:線性穩(wěn)壓器 - 標準 Fixed/Adj Hi In V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LR645LG-P031 | 制造商:Supertex Inc 功能描述:Standard Regulator Pos 8V to 12V 0.03A 8-Pin SOIC N T/R |
| LR645N3 | 功能描述:線性穩(wěn)壓器 - 標準 Fixed/Adj Hi In V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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