參數(shù)資料
型號: MAX4834ETT33C-T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 基準電壓源/電流源
英文描述: 250mA LDO Linear Regulators with Current-Limiting Switch
中文描述: 3.3 V FIXED POSITIVE LDO REGULATOR, 0.165 V DROPOUT, DSO6
封裝: 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEA, TDFN-6
文件頁數(shù): 3/12頁
文件大?。?/td> 350K
代理商: MAX4834ETT33C-T
M
250mA LDO Linear Regulators with
Current-Limiting Switch
_______________________________________________________________________________________
3
Note 1:
Parts are 100% tested at +25°C. Limits across the full temperature range are guaranteed by design and correlation over the
specified temperature range.
Note 2:
The dropout voltage is measured from V
IN
to V
OUT
when V
OUT
is 2% below its nominal value. The nominal output voltage is
measured from V
OUT
to GND when V
IN
is 1V greater than V
OUT
. Defined only for V
OUT
2.5V.
Note 3:
Soft-start time is defined as the time required for the output to rise from 10% of its nominal value to 90% of its nominal value.
Note 4:
For V
OUT
< 2V, V
IN
must be above 2.5V.
Note 5:
This is the maximum time OUT can be out of tolerance before a reset is issued. It is implemented to ensure that momentary
output glitches do not trigger a reset condition.
Note 6:
In startup mode, the blanking time counter is not started until the soft-start time has elapsed. The total time from startup to
FLAG
issued is t
SS
+ t
BLANK
.
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
OUT
+ 1V,
SHDN
= IN, C
OUT
= 3.3μF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RESET
OUTPUT (MAX4835)
RESET
Threshold
V
RESET
0.85 x
V
OUT
0.875 x
V
OUT
0.90 x
V
OUT
V
OUT Drop to RESET Delay
(Note 5)
t
OR
35
μs
D1 timing option
D2 timing option
D3 timing option
D4 timing option
V
OUT
1.0V, I
SINK
= 50μA,
RESET
asserted
V
OUT
1.5V, I
SINK
= 3.2mA,
RESET
asserted
V
OUT
2.0V, I
SOURCE
500μA,
RESET
deasserted
2.5
20
150
1200
3.75
30
225
1800
5.0
40
300
2400
0.3
RESET
Timeout Period
t
RESET
ms
RESET
Output-Voltage Low
0.4
V
RESET
Output-Voltage High
0.8 x
V
OUT
V
FLAG
OUTPUT (MAX4834)
Blanking Time (Note 6)
t
BLANK
V
OUT
+ 1V
V
IN
5.5V, OUT = GND
5
10
17
ms
Open-Drain
FLAG
Output-
Voltage Low
I
SINK
= 3.2mA,
FLAG
asserted, V
OUT
1.5V
0.4
V
Open-Drain
FLAG
Leakage
Current
V
FLAG
= 5.5V
0.01
1
μA
THERMAL PROTECTION
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
Junction temperature rising
+165
15
°C
°C
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