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LM3224 Datasheet(PDF) 8 Page - Texas Instruments

Part # LM3224
Description  LM3224 615kHz/1.25MHz Step-up PWM DC/DC Converter
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM3224 Datasheet(HTML) 8 Page - Texas Instruments

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background image
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
TEMPERATURE (
oC)
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
-40
VOUT = 8V
VIN = 4.2V
VIN = 5.5V
VIN = 3.0V
-40
-20
0
20
40
60
80
TEMPERATURE (
oC)
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.10
-30
-10
10
30
50
70
90
VIN = 4.2V
VIN = 5.5V
VIN = 3.0V
VOUT = 15V
90.0
90.5
91.0
91.5
92.0
92.5
93.0
93.5
94.0
-40 -25 -10
5
20
35
50
65
80
95 110 125
TEMPERATURE (
oC)
VIN = 7.0V
VIN = 2.7V
2.6
5.8
INPUT VOLTAGE (V)
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
3.0 3.4 3.8 4.2 4.6 5.0 5.4
VOUT = 15V
VOUT = 12V
VOUT = 8V
-40
-10 5
65
125
1.16
1.18
1.22
1.24
1.26
1.28
1.30
1.32
1.34
TEMPERATURE (
oC)
1.20
-25
20 35 50
80 95 110
VIN = 2.7V
VIN = 7.0V
-25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (
oC)
91.5
94.0
-40
93.5
93.0
92.5
92.0
VIN = 7.0V
VIN = 2.7V
LM3224
SNVS277C – DECEMBER 2004 – REVISED MARCH 2013
www.ti.com
Typical Performance Characteristics (continued)
1.25MHz Switching Frequency vs. Temperature
615kHz Maximum Duty Cycle vs. Temperature
Figure 14.
Figure 15.
1.25MHz Maximum Duty Cycle vs. Temperature
Switch Current Limit vs. VIN
Figure 16.
Figure 17.
Switch Current Limit vs. Temperature
Switch Current Limit vs. Temperature
Figure 18.
Figure 19.
8
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Product Folder Links: LM3224


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