MAX8625A Maxim Integrated Products, MAX8625A Datasheet - Page 5

• Manufacturer Part Number: MAX8625A
• Description: Step-Up/Down DC-DC Converter
• Manufacturer: Maxim Integrated Products

www.DataSheet4U.com
(V
IN
= 3.6V, SKIP = GND, T
CH1 = V
CH2 = V
2V/div
2V/div
2V/div
2V/div
1000
900
800
700
600
500
400
300
200
100
V
V
LX2
LX1
LX1
LX2
0
2.0
V
IN
_______________________________________________________________________________________
= 3.3V, LOAD = 500mA, V
2.5
MAXIMUM LOAD CURRENT
SWITCHING WAVEFORMS
V
IN
3.0
A
vs. INPUT VOLTAGE
= 3V, LOAD = 20mA,
V
= +25°C, Figure 4, unless otherwise noted.)
INPUT VOLTAGE (V)
High-Efficiency, Seamless Transition,
OUT
SKIP MODE
3.5
10μs/div
1μs/div
= 3.288V
4.0
4.5
V
OUT
5.0
OUT
MAX8625A toc14
MAX8625A toc12
Step-Up/Down DC-DC Converter
= 3.3V
5.5
= 3.3V
Typical Operating Characteristics (continued)
6.0
I
500mA/div
V
20mV/div
(AC-COUPLED)
I
500mA/div
LX
V
50mV/div
(AC-COUPLED)
LX
OUT
OUT
2V/div
2V/div
2V/div
2V/div
2V/div
2V/div
V
V
V
V
V
V
LX1
LX2
LX1
LX2
LX1
LX2
V
V
IN
IN
= 3.6V, LOAD = 500mA, V
= 3V, LOAD = 500mA, V
SWITCHING WAVEFORMS
SWITCHING WAVEFORMS
V
IN
= 3V, LOAD = 20mA,
V
FPWM MODE
OUT
1μs/div
1μs/div
1μs/div
= 3.308V
OUT
OUT
MAX8625A toc11
MAX8625A toc15
MAX8625A toc13
= 3.3V
= 3.3V
I
500mA/div
I
500mA/div
V
50mV/div
(AC-COUPLED)
I
500mA/div
OUT
20mV/div
(AC-COUPLED)
LX
V
50mV/div
(AC-COUPLED)
LX
LX
OUT
OUT
5