參數(shù)資料
型號(hào)： MAX1976
廠商： Maxim Integrated Products, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Low-Input-Voltage, 300mA LDO Regulators with RESETin SOT and TDFN
中文描述： 低輸入電壓，300mA的LDO與RESETin SOT和TDFN封裝穩(wěn)壓器
文件頁(yè)數(shù)： 3/12頁(yè)
文件大小： 354K
代理商： MAX1976
M
Low-Input-Voltage, 300mA LDO Regulators
with
RESET
in SOT and TDFN
_______________________________________________________________________________________
3
Note 1:
Limits are 100% production tested at T
A
= +25
°
C. Limits over the operating temperature range are guaranteed by design.
Note 2:
The dropout voltage is defined as V
IN
- V
OUT
, when V
OUT
is 4% lower than the value of V
OUT
when V
IN
= V
OUT
+ 0.5V.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RESET
OUTPUT
Reset Threshold Accuracy
V
OUT
falling, (1.7% typical hysteresis)
I
RESET
= 100μA
V
IN
= +1.0V, I
RESET
= 100μA
V
RESET
= 3.6V,
RESET
not asserted
80
82.5
1
30
0.001
0.01
3.2
100
85
100
400
1
%V
OUT
RESET
Output Low Voltage
V
OL
mV
T
A
= +25
°
C
T
A
= +85
°
C
MAX1963
MAX1976
RESET
Output High Leakage
I
OH
μA
2.2
70
5.5
160
Reset Delay
t
RP
From V
OUT
high to
RESET
rising
ms
THERMAL PROTECTION
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
T
SHDN
T
SHDN
+165
15
°
C
°
C
Typical Operating Characteristics
(V
IN
= (V
OUT
+ 0.5V) or 1.8V, whichever is greater;
SHDN
= IN, C
IN
= 1μF, C
OUT
= 4.7μF, T
A
= +25
°
C, unless otherwise noted.)
OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
250
200
150
100
50
-0.1
0
0.1
0.2
-0.2
0
300
V
OUT
= +3.0V
V
OUT
= +1.5V
V
OUT
= +0.75V
OUTPUT VOLTAGE ACCURACY
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
O
3.0
2.6
2.2
1.8
-0.25
0
0.25
0.50
-0.50
1.4
3.4
I
OUT
= 300mA
I
OUT
= 100mA
I
OUT
= 0mA
V
OUT
= 1.5V
OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
O
60
35
10
-15
-1.0
-0.5
0
0.5
1.0
1.5
-1.5
-40
85
V
OUT
= +1.5V
I
OUT
= 0mA, 100mA, 300mA
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= (V
OUT
+ 0.5V) or 1.8V, whichever is greater;
SHDN
= IN, C
IN
= 1μF, C
OUT
= 4.7μF, T
A
= -40
°
C to +85
°
C, unless otherwise
noted. Typical values are at T
A
= +25
°
C.) (Note 1)
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