參數(shù)資料
型號(hào)： MAX640MJA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Oscillator; Frequency:12.288MHz; Frequency Tolerance:+/-100ppm; Load Capacitance:50pF; Supply Voltage:5V; Crystal Terminals:Surface Mount (SMD, SMT); Leaded Process Compatible:Yes; Mounting Type:Surface Mount RoHS Compliant: Yes
中文描述： 1 A SWITCHING REGULATOR, CDIP8
封裝： CERAMIC, DIP-8
文件頁(yè)數(shù)： 5/12頁(yè)
文件大?。?/td> 166K
代理商： MAX640MJA
M
5V /3.3V /3V /Adjustable, High-Effic ienc y,
Low I
Q
, S tep-Down DC-DC Converters
_______________________________________________________________________________________
5
0
70
MAX639
START-UP TIME vs.
OUTPUT CURRENT
2
8
M
OUTPUT CURRENT (mA)
S
20
6
12
0
10
40
60
80
100
V+ = 5.5V
10
4
30
50
90
V+ = 9.0V
V+ = 11.5V
MEASURED FROM THE RISING EDGE
OF V+ OR SHDN TO(V
OUT
= 5V).
0
70
MAX640/MAX653
START-UP TIME vs.
OUTPUT CURRENT
2
8
M
OUTPUT CURRENT (mA)
S
20
6
0
10
40
60
80
100
10
4
30
50
90
V+ = 9.0V
V+ = 11.5V
V+ = 5.0V
MEASURED FROM THE RISING EDGE OF V+
OR SHDN TO(V
= 3.3V)(MAX640) OR
(V
= 3.0V)(MAX653). THE START-UP
TIME DIFFERENCE BETWEEN THE
MAX640 AND THE MAX653
IS NEGLIGIBLE.
L = 100
μ
H
0
30
MAX639
START-UP TIME vs.
OUTPUT CURRENT
10
30
M
OUTPUT CURRENT (mA)
S
0
5
15
25
40
20
10
20
V+ = 9.0V
V+ = 11.5V
V+ = 5.5V
MEASURED FROM THE RISING EDGE
OF V+ OR SHDN TO(V
OUT
= 5.0V)
L = 470
μ
H.
0
30
MAX640/MAX653
START-UP TIME vs.
OUTPUT CURRENT
10
30
M
OUTPUT CURRENT (mA)
S
0
5
15
25
40
20
10
20
V+ = 9.0V
V+ = 11.5V
V+ = 5.0V
MEASURED FROM THE RISING EDGE OF
V+ OR SHDN TO(V
= 3.3V)(MAX640)
OR (V
= 3.0V)(MAX653). THE
START-UP TIME DIFFERENCE BETWEEN
THE MAX640 AND THE MAX653 IS
NEGLIGIBLE.
L = 470
μ
H
_____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 3, internal feedback, L = 100μH, T
A
= +25°C, unless otherwise noted.)
0
7
NO-LOAD SUPPLY CURRENT vs.
INPUT VOLTAGE
40
60
M
INPUT VOLTAGE (V)
N
μ
A
4
50
70
0 1
2
3
5
6
11 12
MAX639, V
OUT
= 5V
10
30
20
9
8
10
MAX653, V
OUT
= 3V
相關(guān)PDF資料
PDF描述
MAX640 5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters
MAX653 5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters
MAX639CPA 5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters
MAX640ESA CABLE ASSEMBLY; SMA MALE TO SMC PLUG; 50 OHM, RG188-DS COAX, DOUBLE SHIELDED; 6" CABLE LENGTH
MAX639CSA 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown and Depop 8-SOIC -40 to 85
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