MAX758ACPA Maxim Integrated Products, MAX758ACPA Datasheet - Page 3

• Manufacturer Part Number: MAX758ACPA
• Description: IC REG PWM STEP-DWN ADJ 8-DIP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of MAX758ACPA

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 16 V
• Current - Output: 750mA
• Frequency - Switching: 160kHz
• Voltage - Input: 4 ~ 16 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: *
• Package / Case: 8-DIP (0.300", 7.62mm)
• Voltage - Supply: 4 V ~ 16 V
• Frequency-max: 190kHz
• Duty Cycle: 87%
• Pwm Type: Current Mode
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MAX758CPA

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V
T
(Circuit of Figure 3, V
Note 1: Output voltage tolerance over temperature is ±4.5% plus the tolerances of R3 and R4 in Figure 3.
Note 2: The standby current typically settles to 25µA (over temperature) within 2 seconds; however, to decrease test time, the part
__________________________________________Typical Operating Characteristics
A
Undervoltage
Lockout
LX On Resistance
LX Leakage Current
Reference Voltage
Reference Drift
Oscillator Frequency
Compensation Pin
Impedance
= T
PARAMETER
MIN
is guaranteed at a 100µA maximum value.
to T
MAX
100
90
80
70
60
0
, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
_______________________________________________________________________________________
OUT
200
V+ rising
V+ falling
I
T
LX
= 5V, T
OUTPUT CURRENT (mA)
A
= +25°C
= 500mA
V+ = 11V
400
V+ = 9V
MAX750A
V+ = 7V
V+ = 5.5V
A
= +25°C, unless otherwise noted.)
600
CONDITIONS
(NOTES 3, 6)
800
Current-Mode PWM Regulators
1000
Adjustable, Step-Down,
1.15
MIN
130
OUT
MAX750A
7500
TYP
3.75
1.22
100
170
= 5V, R2 = 40.20kΩ, R3 = 13.0kΩ, I
3.5
0.5
1.0
50
90
80
70
60
0
EFFICIENCY vs. OUTPUT CURRENT
MAX
4.00
1.30
200
210
OUTPUT CURRENT (mA)
V+ = 16V
400
MAX758A
V+ = 12V
V+ = 8V
V+ = 6V
MIN
1.15
130
600
MAX758A
(NOTES 3, 6)
7500
TYP
3.75
1.22
160
3.5
0.5
1.0
800
50
1000
LOAD
MAX
4.00
1.30
190
= 0mA,
ppm/°C
UNITS
kHz
µA
Ω
Ω
V
V
3