參數(shù)資料
型號： MAX8531
廠商： Maxim Integrated Products, Inc.
英文描述： Dual Low-Dropout Linear Regulators with RESETor Low-Noise Output in UCSP or QFN
中文描述： 雙路、低壓差線性穩(wěn)壓器，提供復(fù)位輸出或低噪聲輸出，UCSP或QFN封裝
文件頁數(shù)： 2/12頁
文件大小： 280K
代理商： MAX8531
M
Dual Low-Dropout Linear Regulators
with
RESET
or Low-Noise Output in UCSP or QFN
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
,
RESET
, BP to GND .................................-0.3V to +7V
OUT1, OUT2 to GND...................................-0.3V to (VIN+ 0.3V)
Output Short-Circuit Duration........................................Indefinite
Continuous Power Dissipation (TA = +70
°
C)
6-Bump UCSP (derate 3.9mW/
°
C above +70
°
C) ........308mW
6-Lead QFN (derate 24.4mW/
°
C above +70
°
C)........1951mW
ELECTRICAL CHARACTERISTICS
(IN = 3.8V,
SHDN
= IN, C
BP
= 10nF (MAX8531), T
A
=
-40°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
(Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
6-Bump+ UCSP Solder Profile ....................................(Note 1)
6-Lead QFN Lead Temperature (10s) .........................+300
°
C
PARAMETER
SYMBOL
V
IN
V
UVLO
CONDITIONS
MIN
2.5
2.15
-1
-2
TYP
MAX
6.5
2.42
+1
+2
UNITS
V
V
Input Voltage
Undervoltage Lockout Threshold
IN rising, hysteresis is 40mV (typ)
T
A
= +25
°
C, I
OUT1
= I
OUT2
= 1mA
T
A
= -40
°
C to +85
°
C, I
OUT1
= I
OUT2
= 1mA
T
A
= - 40
°
C to + 85
°
C I
OU T 1
= 0.1m A to 200m A,
I
OU T 2
= 0.1m A to 150m A
OUT1
OUT2
OUT1
OUT2
No load
I
OUT1
= I
OUT2
= 100mA
V
OUT_
- V
IN
I
OUT_
= 100mA (Note 3)
V
LNR
IN = (OUT_ + 0.1V) to 3.8V
10Hz to 100kHz, C
OUT
= 10μF,
I
OUT
= 10mA
2.25
Output Voltage Accuracy
-3
+3
%
200
150
210
165
Maximum Output Current
I
OUT_
mA
330
280
130
150
100
550
500
220
Current Limit
I
LIM
mA
Ground Current
I
Q
μA
Dropout Voltage
Line Regulation
200
+0.2
mV
%/V
-0.2
MAX8530
MAX8531
MAX8530
MAX8531
320
40
60
62
Output Voltage Noise
μV
RMS
Ripple Rejection
PSRR
100Hz, I
OUT
= 30mA
dB
SHUTDOWN
SHDN
= 0, T
A
= +25
°
C
SHDN
= 0, T
A
= +85
°
C
Input high voltage
Input low voltage
0.01
0.1
1
SHDN
Supply Current
I
OFF
μA
V
IH
V
IL
1.6
SHDN
Input Threshold
0.4
100
V
T
A
= +25
°
C
T
A
= +85
°
C
0.7
0.8
SHDN
Input Bias Current
I
SHDN
SHDN
= IN or GND
nA
THERMAL PROTECTION
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
T
SHDN
T
SHDN
T
J
rising
160
10
°
C
°
C
Note 1:
For UCSP solder profile information, visit www.maxim-ic.com/1st_pages/UCSP.html.
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