MAX5089 Maxim Integrated Products, MAX5089 Datasheet - Page 6

• Manufacturer Part Number: MAX5089
• Description: 2.2MHz - 2A Buck Converters with an Integrated High-Side Switch
• Manufacturer: Maxim Integrated Products

2.2MHz, 2A Buck Converters with an
Integrated High-Side Switch
(V+ = V
6
0.400
0.350
0.300
0.250
0.200
0.150
0.100
0.050
_______________________________________________________________________________________
0
100
L
= 5.2V, T
MAX5089 V
vs. SWITCHING FREQUENCY
V
V
I
OUT
OUT
OUT
V
SWITCHING FREQUENCY (kHz)
600
IN
V+ = 5.25V
MAX5089 LOAD-TRANSIENT RESPONSE
MAX5089 LINE-TRANSIENT RESPONSE
V+ = 5V
(I
A
OUT
L
= +25°C, Figures 5 and 6, unless otherwise noted.)
DROPOUT VOLTAGE
1100
= 1A, V
(I
OUT
V+ = 5.5V
1600
IN
= 0.5A TO 2A)
100µs/div
20µs/div
STEP = 14V TO 21V)
2100
V
V
V
MAX5088/89 toc11
OUT
MAX5088/89 toc13
IN
OUT
= 12V
= 3.3V
= 3.3V
10,000
1000
Typical Operating Characteristics (continued)
100
5V/div
0V
200mV/div
200mV/div
1A/div
0A
0
10
SWITCHING FREQUENCY
20
RESISTANCE (kΩ)
vs. R
30
OSC
40
50
V
V
I
OUT
OUT
OUT
V
EN
60
MAX5089 SOFT-START AND SHUTDOWN
MAX5089 LOAD-TRANSIENT RESPONSE
V
IN
70
= 12V
(I
OUT
2350
2100
1850
1600
1350
1100
850
600
350
100
(NO LOAD)
= 0.2A TO 1A)
20µs/div
1ms/div
-40
SWITCHING FREQUENCY
V
V
IN
OUT
vs. TEMPERATURE
MAX5088/89 toc12
MAX5088/89 toc14
10
TEMPERATURE (°C)
= 12V
www.DataSheet4U.com
= 3.3V
R
R
R
R
100mV/div
500mA/div
5V/div
0A
1V/div
0V
0V
OSC
OSC
OSC
OSC
60
= 20kΩ
= 10kΩ
= 6.04kΩ
= 40kΩ
110