參數(shù)資料
型號(hào)： MAX882
廠商： Maxim Integrated Products, Inc.
英文描述： 3.3V or Adjustable, Low-Dropout, Low IQ, 200mA Linear Regulators(3.3V/可調(diào),250mA,具有維持方式,P溝道低壓差線性穩(wěn)壓器)
中文描述： 5V/3.3V或可調(diào)、低壓差、低IQ、200mA線性穩(wěn)壓器，具有待機(jī)模式
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 176K
代理商： MAX882
M
5V /3.3V or Adjustable, Low-Dropout,
Low I
Q
, 200mA Linear Regulators
4
_______________________________________________________________________________________
V
STBY
= V
IN
or 0V
STBY signal falling
V
OFF
= V
IN
or 0V
10Hz to 10kHz, SET = OUT, R
L
= 1k
,
C
OUT
= 2.2μF
In on mode, SET = OUT,
6V < V
IN
< 11.5V
In off mode
In on mode,
SET = OUT, V
IN
< 6V
CONDITIONS
μV
RMS
250
e
n
Output Noise (Note 7)
nA
±0.01
±50
I
STBY
STBY Input Leakage Current
mV
7
V
STBY
V
1.15
1.20
1.25
V
STBY
STBY Threshold Voltage
STBY Hysteresis
nA
±0.01
±50
I
OFF
OFF Input Leakage Current
V
3.0
OFF Threshold Voltage
0.4
V
IL OFF
2.0
V
IH OFF
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Note 1:
Electrical specifications are measured by pulse testing and are guaranteed for a junction temperature (T
J
) within the
operating temperature range, unless otherwise noted. When operating C and E grade parts up to a T
J
of +125°C, expect
performance similar to M grade specifications. For T
J
between +125°C and +150°C, the output voltage may drift more.
(V
IN
- V
OUT
) is limited to keep the product (I
OUT
x (V
IN
- V
OUT
)) from exceeding the package power dissipation limits. See
Figure 5. Therefore, the combination of high output current and high supply voltage is not tested. Output current at
T
J
= +125°C is guaranteed by guard banding tests at T
J
= +85°C and +70°C.
Dropout Voltage is (V
IN
- V
OUT
) when V
OUT
falls to 100mV below its nominal value at V
IN
= (V
OUT
+ 2V). For example, the
MAX883 is tested by measuring the V
OUT
at V
IN
= 7V, then V
IN
is lowered until V
OUT
falls 100mV below the measured
value. The difference (V
IN
- V
OUT
) is then measured and defined as
V
DO
.
Since standby mode inhibits the output but keeps all biasing circuitry alive, the Standby Quiescent Current is similar to the
normal operating quiescent current.
Foldback Current Limit was characterized by pulse testing to remain below the maximum junction temperature (not
production tested).
The Reverse-Current Protection Threshold is the output/input differential voltage (V
OUT
- V
IN
) at which reverse-current
protection switchover occurs and the pass transistor is turned off. See the section Reverse Current Protectionin the
Detailed Description.
Noise is tested using a bandpass amplifier with two poles at 10Hz and two poles at 10kHz.
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
MAX882_A
MAX882_A
MAX882_A
MAX883_A,
MAX884_A
MAX883_A,
MAX884_A
MAX883_A,
MAX884_A
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 6V (MAX883) or V
IN
= 4.3V (MAX882/MAX884), C
OUT
= 2.2μF, STBY or OFF = V
IN
, SET = GND, LBI = V
IN
, T
J
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
J
= +25°C.) (Note 1)
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