MAX730AESA 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
MAX730AESA Datasheet PDF : 16 Pages
| |||
5V, Step-Down,
Current-Mode PWM DC-DC Converters
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 3, V+ = 9V for the MAX730A, V+ = 12V for the MAX738A/MAX744A, ILOAD = 0mA, TA = TMIN to TMAX,
unless otherwise noted.)
PARAMETER
Load Regulation
Efficiency
CONDITIONS
ILOAD = 0mA to 300mA
ILOAD = 0mA to 750mA
V+ = 9.0V, ILOAD = 300mA
V+ = 12V, ILOAD = 750mA
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
V+ = 6.0V
to 9.0V
MAX744AC/AE
MAX744AM
V+ = 9.0V
to 12.0V
MAX744AC/AE
MAX744AM
V+ = 12.0V
to 16.0V
MAX744AC
MAX744AE
MAX744AM
SHDN = 0V (Note 1)
VIH
VIL
V+ rising
V+ falling
ILX = 500mA
V+ = 12V, LX = 0V
V+ = 12V, TA = +25°C
Oscillator Frequency
Compensation Pin
Impedance
V+ = 6.0V
to 16.0V
MAX744AC/AE
MAX744AM
MAX730A
MIN TYP MAX
0.0005
92
1.7 3.0
6.0 100.0
2.0
0.25
MAX738A
MIN TYP MAX
0.0005
90
87
1.7 3.0
6.0 100.0
2.0
0.25
MAX744A
MIN TYP MAX
UNITS
0.0005
90
87
1.7 3.0
1.2 2.5
3.0
3.0
3.5
4.0
4.3
4.5
6.0 100.0
2.0
0.25
%/mA
%
mA
µA
V
1.0
1.0
1.0 µA
1.5
4.7 5.2
0.5
1.0
1.15 1.23 1.30
50
130 170 210
1.5
5.7 6.0
0.5
1.0
1.15 1.23 1.30
50
130 160 190
1.5
A
5.7 6.0
V
5.0
5.7
0.5
Ω
1.0
µA
1.15 1.23 1.30 V
50
ppm/°C
159.0 185.0 212.5 kHz
159.0
216.5
7500
7500
7500
Ω
Note 1: The standby current typically settles to 25µA (over temperature) within 2 seconds; however, to decrease test time, the part
is guaranteed at a 100µA maximum value.
_______________________________________________________________________________________ 3
Share Link: 