max5073atit Maxim Integrated Products, Inc., max5073atit Datasheet - Page 7

• Manufacturer Part Number: max5073atit
• Description: Max5073 2.2mhz, Dual-output Buck Or Boost Converter With Internal Power Mosfets
• Manufacturer: Maxim Integrated Products, Inc.

(V+ = VL = 5.2V, T
2.2MHz, Dual-Output Buck or Boost Converter
A
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
35
30
25
20
15
10
5
V+ SWITCHING SUPPLY CURRENT (I
-40
EXTERNAL SYNCHRONIZATION
-7
f
SW
vs. TEMPERATURE
f
SW
= 600kHz
TEMPERATURE (°C)
= 300kHz
26
200ns/div
f
SW
f
SW
= 1.25MHz
= 2.2MHz
59
2.60
2.55
2.50
2.45
2.40
Typical Operating Characteristics (continued)
92
with Internal Power MOSFETs
MAX5073 toc16
-50
OUTPUT2 VOLTAGE (BUCK CONVERTER)
SUPPLY
125
)
SYNC
5V/div
0V
SOURCE1
5V/div
0V
VOUT1 RIPPLE
AC-COUPLED
20mV/div
CLKOUT
5V/div
0V
0
vs. TEMPERATURE
TEMPERATURE (°C)
50% LOAD
NO LOAD
50
100
150
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
1.8
1.4
1.0
0.6
0.2
-40
-50
OUTPUT1 VOLTAGE (BUCK CONVERTER)
V+ STANDBY SUPPLY CURRENT (I
NO LOAD
50% LOAD
-7
R
R
OSC
OSC
0
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
= 10kΩ
= 60kΩ
26
50
59
100
92
STBY
125
150
)
7