MAX750A-MAX758A MAXIM [Maxim Integrated Products], MAX750A-MAX758A Datasheet - Page 5

• Manufacturer Part Number: MAX750A-MAX758A
• Description: Adjustable, Step-Down, Current-Mode PWM Regulators
• Manufacturer: MAXIM [Maxim Integrated Products]

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