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參數(shù)資料
| 型號： | 7404 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | TRIPLE VOLTAGE REGULATOR |
| 中文描述： | 三電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 287K |
| 代理商： | 7404 |
ST3M01
3/11
CONNECTION DIAGRAM
(top view)
PIN DESCRIPTION
Pin N°
Symbol
Name and Function
1
2
3
GND SW
GND SW
Virtual GND
Switching Ground. Must be low impedance; solder directly to GND plane
Switching Ground. Must be low impedance; solder directly to GND plane
Virtual GND. Open Drain N-Cnannel MOSFET: must be high impedance when the
Low Battery condition is detected.
Low Battery Output. Open Drain N-Cnannel MOSFET: sinks current when the
input voltage drops below 2V typically.
Reference Voltage Output. Bypass with 0.1
μ
F to improve the linears V
REF
thermal noise performance
.
Linear Input. Must be connected togheter with IN SW to the input supply.
Linear B Output port. 1.9V typically.
Shutdown Input. Disables the SMPS and
L
A
output, but the
L
B
, the
referencevoltage and the low batery comparator remain active.
Signal GND. Must be connected togheter with the Switching Ground.
Linear A Output port. 3V typically.
DC/DC Output Port: 3.3V typically.
SMPS Input. Must be connected togheter with IN_Linear to the input supply.
1.5A N-Channel Power MOSFET Drain.
1.5A N-Channel Power MOSFET Drain.
4
LBO
5
V
REF
6
7
8
IN Linear
OUT L
B
SHDN
9
GND Signal
OUT L
A
OUT DC/DC
IN SW
LX
LX
10
11
12
13
14
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 7404 | Package contains six inverters |
| 7405 | 3/4 DIAMETER WIRE-WOUND, MULTI-TURN |
| 7409 | Quad 2-Input AND Gates with Open-Collector Outputs |
| 74107 | DUAL J-K FLIP FLOP WITH CLEAR |
| 7410 | Triple 3-Input NAND Gates |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 7404 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
| 74040 | 制造商:MYRRA 功能描述:TRANSFORMER ETD29 45W 制造商:Myrra 功能描述:TRANSFORMER, ETD29, 45W 制造商:MYRRA 功能描述:TRANSFORMER, ETD29, 45W; Primary Voltages:60V to 125V; Secondary Voltages:2 x 5V, 2 x 12V; Current Rating:4A; Power Rating:60W; Plug Type:-; SVHC:No SVHC (19-Dec-2012); AC Power:60W; External Depth:37mm; External Length / ;RoHS Compliant: Yes |
| 74040 | 制造商:MYRRA 功能描述:TRANSFORMER ETD39 45W |
| 74040-0034 | 制造商:MOLEX 功能描述: |
| 74040-0035 | 制造商:MOLEX 功能描述: |
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