參數(shù)資料
型號(hào): MAX748ACWE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Synchronous 4-Bit Up/Down Binary Counters 16-CDIP -55 to 125
中文描述: 2 A SWITCHING REGULATOR, 212.5 kHz SWITCHING FREQ-MAX, PDSO16
封裝: SOP-16
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 135K
代理商: MAX748ACWE
M
3.3V, S tep-Down,
Current-Mode PWM DC-DC Converters
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.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 3, V+ = 5V, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
CONDITIONS
MAX748A
TYP
MAX763A
TYP
UNITS
MIN
3.3
MAX
16.0
MIN
3.3
MAX
11.0
Input Voltage Range
V
C/E temp. ranges,
V+ = 4.0V to 16V,
0mA < I
LOAD
< 300mA
M temp. range,
V+ = 4.0V to 16V,
0mA < I
LOAD
< 250mA
C/E temp. ranges,
V+ = 4.75V to 16V,
0mA < I
LOAD
< 500mA
M temp. range,
V+ = 4.75V to 16V,
0mA < I
LOAD
< 400mA
C/E temp. ranges,
V+ = 4.0V to 11V,
0mA < I
LOAD
< 300mA
M temp. range,
V+ = 4.0V to 11V,
0mA < I
LOAD
< 250mA
C/E temp. ranges,
V+ = 4.75V to 11V,
0mA < I
LOAD
< 500mA
M temp. range,
V+ = 4.75V to 11V,
0mA < I
LOAD
< 400mA
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
Output Voltage
V
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
3.135
3.3
3.465
Line Regulation
Load Regulation
0.13
0.001
0.13
0.001
%/V
%/mA
I
LOAD
= 0mA to 500mA
ABSOLUTE MAXIMUM RATINGS
Pin Voltages:
V+ (MAX748A)......................................................+17V, -0.3V
V+ (MAX763A)......................................................+12V, -0.3V
LX (MAX748A) .................................(V+ - 21V) to (V+ + 0.3V)
LX (MAX763A) .................................(V+ - 12V) to (V+ + 0.3V)
OUT.................................................................................±25V
SS, CC,
SHDN
..........................................-0.3V to (V+ + 0.3V)
Peak Switch Current (I
LX
) .....................................................2.0A
Reference Current (I
) ...................................................2.5mA
Continuous Power Dissipation (T
= +70°C)
8-Pin Plastic DIP (derate 6.90mW/°C above +70°C)...552mW
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C)....762mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C).......640mW
Operating Temperature Ranges:
MAX7__AC__ ....................................................0°C to +70°C
MAX7__AE__ .................................................-40°C to +85°C
MAX7__AMJ A__ ..........................................-55°C to +125°C
J unction Temperatures:
MAX7__AC/E ..............................................................+150°C
MAX7__AM.................................................................+175°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10sec) ............................+300°C
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