MAX5027 MAXIM [Maxim Integrated Products], MAX5027 Datasheet - Page 5

• Manufacturer Part Number: MAX5027
• Description: 500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
CC
= 5V, V
AC-COUPLED
AC-COUPLED
SHUTDOWN
INDUCTOR
OUT
100mA/div
200mA/div
CURRENT
VOLTAGE
VOLTAGE
50mA/div
OUTPUT
2mV/div
5mV/div
20V/div
20V/div
20V/div
LX PIN
LX PIN
5V/div
V
V
= 30V, T
OUT
OUT
5V
I
I
L
L
500kHz, 36V Output, SOT23, PWM Step-Up
_______________________________________________________________________________________
MAX5026, V
CIRCUIT OF FIGURE 3
MAX5026, V
CIRCUIT OF FIGURE 2
MEDIUM-LOAD SWITCHING WAVEFORM
MAX5026, V
CIRCUIT OF FIGURE 2
LIGHT-LOAD SWITCHING WAVEFORM
A
= +25°C, unless otherwise noted.)
WITHOUT RC FILTER
EXITING SHUTDOWN
CC
CC
WITHOUT RC FILTER
CC
= 5V, V
= 5V, V
= 5V, V
2ms/div
1µs/div
1µs/div
OUT
OUT
OUT
= 30V, I
= 30V, I
= 30V, I
LOAD
LOAD
LOAD
MAX5025-28 toc10
MAX5025-28 toc12
MAX5025-28 toc14
= 1mA.
= 0.1mA.
= 2mA.
Typical Operating Characteristics (continued)
30V
0V
0mA
0V
5V
0mA
AC-COUPLED
AC-COUPLED
SHUTDOWN
200mA/div
100mA/div
VOLTAGE
VOLTAGE
OUTPUT
1mV/div
20V/div
1mV/div
20V/div
20V/div
LX PIN
5V/div
LX PIN
V
V
30V
OUT
OUT
I
I
L
L
MAX5026, V
CIRCUIT OF FIGURE 3
MEDIUM-LOAD SWITCHING WAVEFORM
MAX5026, V
CIRCUIT OF FIGURE 3
MAX5026, V
CIRCUIT OF FIGURE 3
LIGHT-LOAD SWITCHING WAVEFORM
DC-DC Converters
ENTERING SHUTDOWN
CC
CC
CC
WITH RC FILTER
= 5V, V
WITH RC FILTER
= 5V, V
= 5V, V
100ms/div
1µs/div
1µs/div
OUT
OUT
OUT
= 30V, I
= 30V, I
= 30V, I
LOAD
LOAD
LOAD
MAX5025-28 toc11
MAX5025-28 toc15
MAX5025-28 toc13
= 1mA.
= 2mA.
= 0.1mA.
5V
5V
0V
0V
0mA
0V
0mA
5