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参数资料
型号： MAX1515
厂商： Maxim Integrated Products, Inc.
英文描述： Low-Voltage, Internal Switch, Step-Down/DDR Regulator
中文描述： 低电压、内置开关、降压型/DDR稳压器
文件页数： 4/24页
文件大小： 504K
代理商： MAX1515
M
Low-Voltage, Internal Switch,
Step-Down/DDR Regulator
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= +3.3V, V
CC
= V
DD
=
SHDN
= MODE = +3.3V, V
REFIN
= V
REF
,
SKIP
= GND,
T
A
= 0°C to +85°C
, unless oth-
erwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
T
A
= +25°C to
+85°C
1.0923
1.100
1.1077
Reference Voltage
V
REF
V
CC
= +3.0V to +3.6V
T
A
= 0°C to
+85°C
1.0907
1.100
1.1094
V
Reference Load Regulation
REFIN Input Voltage Range
I
REF
= -1μA to +50μA
V
CC
= +3.0V to +3.6V
10
1.5
mV
V
V
REFIN
0.5
V
REFIN
= +0.5V to +1.5V
I
REFOUT
= -1mA
to +1mA
-10
+10
REFOUT Output Accuracy
V
REFIN
-
V
REFOUT
V
REFIN
= +0.5V to +1.5V
I
REFOUT
= -5mA
to +5mA
-20
+20
mV
REFIN Input Bias Current
FAULT DETECTION
Thermal Shutdown
Undervoltage-Lockout Threshold
PGOOD Trip Threshold (Lower)
PGOOD Trip Threshold (Upper)
I
REFIN
V
REFIN
= 1.1V
-50
+50
nA
T
SHDN
V
CC(UVLO)
Rising, hysteresis = 15°C
V
CC
rising, 2% falling-edge hysteresis
No load, falling edge, hysteresis = 1%
No load, rising edge, hysteresis = 1%
+165
2.7
-10
+10
°C
V
%
%
2.5
-13
+7
2.9
-7
+13
PGOOD Propagation Delay
t
PGOOD
FB forced 2% beyond PGOOD trip
threshold
10
μs
PGOOD Output Low Voltage
I
SINK
= 1mA
0.1
V
PGOOD Leakage Current
Condition
H g h state, for ced to 3.6V V
C C
= V
D D
= 3.6V
1
μA
INPUTS AND OUTPUTS
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
SKIP
,
SHDN
, MODE, FBSEL0, FBSEL1
SKIP
,
SHDN
, MODE, FBSEL0, FBSEL1
SKIP
,
SHDN
, MODE, FBSEL0, FBSEL1
2.0
V
V
0.8
+0.5
-0.5
μA
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