IC REG PWM STEP-DWN ADJ 8-SOIC

 

MAX750ACSA

Manufacturer Part NumberMAX750ACSA
DescriptionIC REG PWM STEP-DWN ADJ 8-SOIC
ManufacturerMaxim Integrated Products
TypeStep-Down (Buck), PWM - Current Mode
MAX750ACSA datasheets

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Specifications of MAX750ACSA

Internal Switch(s)YesSynchronous RectifierNo
Number Of Outputs1Voltage - Output1.25 ~ 11 V
Current - Output450mAFrequency - Switching170kHz
Voltage - Input4 ~ 11 VOperating Temperature0°C ~ 70°C
Mounting TypeSurface MountPackage / Case8-SOIC (3.9mm Width)
Voltage - Supply4 V ~ 11 VFrequency-max210kHz
Duty Cycle92%Pwm TypeCurrent Mode
BuckYesBoostNo
FlybackNoInvertingNo
DoublerNoDividerNo
CukNoIsolatedNo
Lead Free Status / RoHS StatusContains lead / RoHS non-compliant  
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Adjustable, Step-Down,
Current-Mode PWM Regulators
ABSOLUTE MAXIMUM RATINGS
Pin Voltages
V+ (MAX750A).........................................................+12V, -0.3V
V+ (MAX758A).........................................................+18V, -0.3V
LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V)
LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V)
SS, CC, SHDN.............................................-0.3V to (V+ + 0.3V)
Peak Switch Current (I
).........................................................2A
LX
Reference Current (I
) ...................................................2.5mA
REF
Power Dissipation (T
= +70°C)
A
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .....727mW
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
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+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V
T
= T
to T
, unless otherwise noted.)
A
MIN
MAX
PARAMETER
CONDITIONS
V+ = 6.0V to 11.0V;
0mA < I
< 450mA for MAX750AC,
LOAD
0mA < I
< 450mA for MAX750AE,
LOAD
0mA < I
< 300mA for MAX750AM
LOAD
Output Voltage
V+ = 6.0V to 16.0V;
(Note 1)
0mA < I
< 450mA for MAX758AC/AE,
LOAD
0mA < I
< 350mA for MAX758AM
LOAD
V+ = 10.2V to 16.0V,
0mA < I
< 750mA
LOAD
Input Voltage Range
V+ = 4.0V to 11.0V
Line Regulation
V+ = 4.0V to 16.0V
I
= 0mA to 450mA
LOAD
Load Regulation
I
= 0mA to 750mA
LOAD
V+ = 9.0V, I
= 300mA
LOAD
Efficiency
V+ = 12V, I
= 750mA
LOAD
Supply Current
Shutdown Supply
SHDN = 0V
Current (Note 2)
V
Shutdown Input
IH
Threshold
V
IL
Shutdown Input
Leakage Current
Short-Circuit Current
2
_______________________________________________________________________________________
Operating Temperature Ranges:
MAX75_AC_ _ .......................................................0°C to +70°C
MAX75_AE_ _ ....................................................-40°C to +85°C
MAX75_AMJA ..................................................-55°C to +125°C
Junction Temperatures:
MAX75_AC_ _/AE_ _ ......................................................+150°C
MAX75_AMJA ................................................................+175°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
= 5V, R2 = 40.20kΩ, R3 = 13.0kΩ, I
OUT
MAX750A
MAX758A
MIN
TYP
MAX
MIN
TYP
4.75
5.00
5.25
4.75
5.00
4.75
5.00
4.0
11.0
4.0
0.15
0.15
0.0005
0.0005
92
90
87
1.7
3.0
1.7
6.0
100.0
6.0
2.0
2.0
0.25
1.0
1.5
1.5
= 0mA,
LOAD
UNITS
MAX
V
5.25
5.25
16.0
V
%/V
%/mA
%
3.0
mA
100.0
µA
V
0.25
1.0
µA
A

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