參數(shù)資料
型號: MAX6473UT33BD3
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit
中文描述: FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6
封裝: MO-178AB, SOT-23, 6 PIN
文件頁數(shù): 5/20頁
文件大小: 556K
代理商: MAX6473UT33BD3
M
300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
_______________________________________________________________________________________
5
DROPOUT VOLTAGE vs. LOAD CURRENT
M
LOAD CURRENT (mA)
D
250
200
150
100
50
25
50
75
100
125
0
0
300
V
OUT
= 3.3V
C
OUT
= 3.3
μ
F
PSRR vs. FREQUENCY
M
FREQUENCY (kHz)
P
100
10
1
0.1
-50
-40
-30
-20
-10
0
-60
0.01
1000
V
OUT
= 3.3V
C
OUT
= 3.3
μ
F
I
LOAD
= 30mA
REGION OF STABLE C
OUT
ESR
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
C
O
)
250
200
150
100
50
1
2
3
4
5
0
0
300
C
OUT
= 4.7
μ
F
C
OUT
= 3.3
μ
F
STABLE REGION
OUTPUT NOISE
MAX6469 toc07
500
μ
s/div
100
μ
V/div
V
IN
= 4.5V
V
OUT
= 3.3V
I
LOAD
= 100mA
100
0
10
100
10k
100k
OUTPUT NOISE vs. FREQUENCY
20
40
80
60
M
FREQUENCY (Hz)
V
R
μ
V
1k
V
IN
= 2.5V
V
OUT
= 1.5V
I
OUT
= 100mA
SHUTDOWN RESPONSE
MAX6469 toc09
20ms/div
V
OUT
2V/div
V
SHDN
5V/div
I
LOAD
= 50mA
STARTUP RESPONSE
MAX6469 toc10
10
μ
s/div
V
2V/div
V
2V/div
MAX6469 toc11
100
μ
s/div
V
20mV/div
LOAD-TRANSIENT RESPONSE
MAX6469 toc12
10
μ
s/div
V
IN
= 5V
V
OUT
= 3.3V
I
LOAD
= 100mA
V
5mV/div
LOAD-TRANSIENT RESPONSE
NEAR DROPOUT
Typical Operating Characteristics (continued)
(V
IN
= 5V, V
OUT
= 3.3V, C
OUT
= 3.3μF, T
A
= +25
°
C, unless otherwise noted.)
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