參數(shù)資料
型號(hào): TC1267
廠商: Microchip Technology Inc.
英文描述: UF4006 800V 1A ULTRAFAST DIODE DO-41
中文描述: 400mA的LDO穩(wěn)壓器的PCI
文件頁數(shù): 4/14頁
文件大小: 490K
代理商: TC1267
TC1267
DS21378B-page 4
2002 Microchip Technology Inc.
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
3.0
DETAILED DESCRIPTION
FIGURE 3-1:
APPLICATION CIRCUIT
Pin No.
Symbol
Description
1
2
3
4
5
V
AUX
V
IN
GND
V
OUT
D
R
Auxiliary input supply, nominally 3.3V.
Main input supply for the TC1267, nominally 5V.
Logic and power ground.
LDO 3.3V output.
Driver output for external P-channel MOSFET pass element.
5V
3.3V
TAB IS GND
Q1
C3
0.1
μ
F
C1
4.7
μ
F
C2
0.1
μ
F
C4
4.7
μ
F
3.3V
TC1267
V
I
V
A
G
V
O
D
R
C5
0.1
μ
F
NOTE:
External switch (Q1): use Motorola MGSF1P02ELT1 or equivalent
(PMOS, typical Gate Threshold Voltage = 1V, typical R
DS(ON)
= 0.4
at VGS = 2.5V)
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