MAX738ACWE+ Maxim Integrated Products, MAX738ACWE+ Datasheet - Page 3

IC DCDC CONV PWM STPDN 5V 16SOIC

MAX738ACWE+

Manufacturer Part Number
MAX738ACWE+
Description
IC DCDC CONV PWM STPDN 5V 16SOIC
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet

Specifications of MAX738ACWE+

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
750mA
Frequency - Switching
190kHz
Voltage - Input
6 ~ 16 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Power - Output
762mW
Output Voltage
5 V
Input Voltage
6 V to 16 V
Supply Current
1.7 mA
Switching Frequency
160 KHz
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 3, V+ = 9V for the MAX730A, V+ = 12V for the MAX738A/MAX744A, I
unless otherwise noted.)
Note 1: The standby current typically settles to 25µA (over temperature) within 2 seconds; however, to decrease test time, the part
Load Regulation
Efficiency
Supply Current
(includes switch
current)
Standby Current
Shutdown Input
Threshold
Shutdown Input
Leakage Current
Short-Circuit Current
Undervoltage
Lockout
LX On Resistance
LX Leakage Current
Reference Voltage
Reference Drift
Oscillator Frequency
Compensation Pin
Impedance
PARAMETER
is guaranteed at a 100µA maximum value.
_______________________________________________________________________________________
I
I
V+ = 9.0V, I
V+ = 12V, I
V+ = 6.0V
to 9.0V
V+ = 9.0V
to 12.0V
V+ = 12.0V
to 16.0V
SHDN = 0V (Note 1)
V
V
V+ rising
V+ falling
I
V+ = 12V, LX = 0V
V+ = 12V, T
V+ = 6.0V
to 16.0V
LOAD
LOAD
LX
IH
IL
Current-Mode PWM DC-DC Converters
= 500mA
= 0mA to 300mA
= 0mA to 750mA
CONDITIONS
LOAD
LOAD
A
= +25°C
MAX744AC/AE
MAX744AM
MAX744AC/AE
MAX744AM
MAX744AC
MAX744AE
MAX744AM
MAX744AC/AE
MAX744AM
= 750mA
= 300mA
MIN
1.15 1.23
130
2.0
MAX730A
0.0005
7500
TYP
170
1.7
6.0
1.5
4.7
0.5
1.0
92
50
100.0
MAX
0.25
1.30
210
3.0
1.0
5.2
MIN
1.15 1.23
130
2.0
LOAD
MAX738A
0.0005
7500
TYP
160
1.7
6.0
1.5
5.7
0.5
1.0
90
87
50
5V, Step-Down,
= 0mA, T
100.0
MAX
0.25
1.30
190
3.0
1.0
6.0
A
= T
159.0 185.0 212.5
159.0
MIN
1.15 1.23
2.0
5.0
MIN
MAX744A
0.0005
to T
7500
TYP
1.7
1.2
6.0
1.5
5.7
0.5
1.0
90
87
50
MAX
100.0
216.5
,
MAX
0.25
1.30
3.0
2.5
3.0
3.0
3.5
4.0
4.3
4.5
1.0
6.0
5.7
ppm/°C
UNITS
%/mA
kHz
mA
µA
µA
µA
%
A
V
V
V
3

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