MAX5073ETI+T Maxim Integrated Products, MAX5073ETI+T Datasheet - Page 7

• Manufacturer Part Number: MAX5073ETI+T
• Description: IC CONV BUCK/BOOST 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of MAX5073ETI+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 28 V
• Current - Output: 1A, 2A
• Frequency - Switching: 200kHz ~ 2.2MHz
• Voltage - Input: 4.5 ~ 23 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Power - Output: 2.76W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(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