參數(shù)資料
型號(hào)： MAX879EPA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 5V/3.3V/3V/Adjustable-Output, Step-Up/Step-Down DC-DC Converters
中文描述： SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDIP8
封裝： 0.300 INCH, PLASTIC, DIP-8
文件頁(yè)數(shù)： 5/12頁(yè)
文件大?。?/td> 128K
代理商： MAX879EPA
M
5V /3.3V /3V /Adjustable-Output,
S tep-Up/S tep-Down DC-DC Converters
_______________________________________________________________________________________
5
A: SWITCH VOLTAGE (LX PIN), 2V/div
B: INDUCTOR CURRENT, 0.5A/div
C: OUTPUT VOLTAGE RIPPLE, 50mV/div
MAX877, V
IN
= 1.5V, I
OUT
= 100mA
SWITCHING WAVEFORMS—
CONTINUOUS CONDUCTION
A
B
C
0mA
5
μ
s/div
A: SWITCH VOLTAGE (LX PIN),
B: INDUCTOR CURRENT, 0.5A/div
C: OUTPUT VOLTAGE RIPPLE, 50mV/div
MAX877, V
IN
= 3V, I
OUT
= 70mA
SWITCHING WAVEFORMS—
DISCONTINUOUS CONDUCTION
A
B
0mA
C
2
μ
s/div
A: SWITCH VOLTAGE (LX PIN),
B: INDUCTOR CURRENT, 0.5A/div
C: OUTPUT VOLTAGE RIPPLE, 50mV/div
MAX878, V
IN
= 6.0V, V
OUT
= 5.0V, I
OUT
= 210mA
STEP-DOWN CONVERSION
A
B
0mA
C
5
μ
s/div
A: SHDN, 2V/div
B: V
OUT
, 1V/div
V
OUT
= 3V
MAX878
START-UP TIME
GND
GND
10ms/div
A
B
A: INPUT VOLTAGE, 2V/div, 2V to 6V
B: OUTPUT VOLTAGE, 50mV/div
MAX878, I
OUT
= 100mA, V
OUT
= 3.3V
STEP-UP/STEP-DOWN
OPERATION
A
B
20ms/div
GND
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 4, T
A
= +25°C, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
MAX878MJA 5V/3.3V/3V/Adjustable-Output, Step-Up/Step-Down DC-DC Converters
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MAX879MJA 5V/3.3V/3V/Adjustable-Output, Step-Up/Step-Down DC-DC Converters
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