Datasheet
Table Of Contents
- FEATURES
- Applications
- DESCRIPTION
- Absolute Maximum Ratings
- Electrical Characteristics
- Typical Performance Characteristics
- Block Diagram
- Theory of Operation
- Application Hints
- SELECTING THE EXTERNAL CAPACITORS
- SELECTING THE OUTPUT CAPACITOR
- SELECTING THE INPUT CAPACITOR
- FEED-FORWARD COMPENSATION
- SELECTING DIODES
- LAYOUT HINTS
- SETTING THE OUTPUT VOLTAGE
- SWITCHING FREQUENCY
- DUTY CYCLE
- INDUCTANCE VALUE
- MAXIMUM SWITCH CURRENT
- CALCULATING LOAD CURRENT
- DESIGN PARAMETERS VSW AND ISW
- THERMAL CONSIDERATIONS
- MINIMUM INDUCTANCE
- INDUCTOR SUPPLIERS
- SHUTDOWN PIN OPERATION
- Application Hints
- Revision History

-40 -25 0 25 50 75 100 125
TEMPERATURE (
o
C)
92.7
92.8
92.9
93.0
93.1
93.2
93.3
93.4
MAX DUTY CYCLE (%)
96.05
96.1
96.15
96.2
96.25
96.3
96.35
96.4
96.45
96.5
96.55
TEMPERATURE (
o
C)
-50
-25 0 25
50
75 100
125
150
MAX DUTY CYCLE
-50 -25 0 25 50 75 100 125 150
TEMPERATURE (
o
C)
0.575
0.580
0.585
0.590
0.595
0.600
0.605
0.610
0.615
OSCILLATOR FREQUENCY (MHz)
-50 -25 0 25 50 75 100 125 150
TEMPERATURE (
o
C)
0.98
0.99
1
1.01
1.02
1.03
1.04
1.05
1.06
Iq ACTIVE (mA)
LM2733
SNVS209E –NOVEMBER 2002–REVISED APRIL 2013
www.ti.com
Typical Performance Characteristics
Unless otherwise specified: V
IN
= 5V, SHDN pin is tied to V
IN
.
Iq V
IN
(Active) vs Temperature - "X" Iq V
IN
(Active) vs Temperature - "Y"
Figure 2. Figure 3.
Oscillator Frequency vs Temperature - "X" Oscillator Frequency vs Temperature - "Y"
Figure 4. Figure 5.
Max. Duty Cycle vs Temperature - "X" Max. Duty Cycle vs Temperature - "Y"
Figure 6. Figure 7.
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