MAX750ACSA Maxim Integrated Products, MAX750ACSA Datasheet - Page 5

• Manufacturer Part Number: MAX750ACSA
• Description: IC REG PWM STEP-DWN ADJ 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of MAX750ACSA

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 11 V
• Current - Output: 450mA
• Frequency - Switching: 170kHz
• Voltage - Input: 4 ~ 11 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Voltage - Supply: 4 V ~ 11 V
• Frequency-max: 210kHz
• Duty Cycle: 92%
• 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

A: SWITCH VOLTAGE (LX PIN), 5V/div, 0V TO +12V
B: INDUCTOR CURRENT, 200mA/div
C: OUTPUT VOLTAGE RIPPLE, 50mV/div
C OUT = 390 F, V+ = 12V, I OUT = 150mA
(Circuit of Figure 3, V
_____________________________Typical Operating Characteristics (continued)
CONTINUOUS CONDUCTION
SWITCHING WAVEFORMS
MAX758A
1400
1200
1000
800
2 s/div
_______________________________________________________________________________________
OUT
4
(NOTES 3, 6)
= 5V, T
MAXIMUM OUTPUT CURRENT
6
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
8
A
= +25°C, unless otherwise noted.)
MAX750A
10
12
12V
0V
200mA
0mA
5V
MAX758A
Current-Mode PWM Regulators
14
A
B
C
16
Adjustable, Step-Down,
A: SWITCH VOLTAGE (LX PIN), 5V/div, 0V TO +12V
B: INDUCTOR CURRENT, 100mA/div
C: OUTPUT VOLTAGE RIPPLE, 50mV/div
C OUT = 390 F, V+ = 12V, I OUT = 20mA
1400
1200
1000
800
600
400
200
4
vs. SUPPLY VOLTAGE, R1 OMITTED
(NOTES 3, 6)
DISCONTINUOUS CONDUCTION
SWITCHING WAVEFORMS
MAXIMUM OUTPUT CURRENT
6
SUPPLY VOLTAGE (V)
MAX758A
8
2 s/div
10
MAX750A
12
MAX758A
14
16
12V
0V
100mA
0mA
5V
A
B
C
5