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LTC3246 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 6 Page - Analog Devices

๋ถ€ํ’ˆ๋ช… LTC3246
์ƒ์„ธ๋‚ด์šฉ  Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer
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LTC3246 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 6 Page - Analog Devices

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LTC3246
6
3246fa
For more information www.linear.com/LTC3246
TYPICAL PERFORMANCE CHARACTERISTICS
Boost Output Impedance at
Dropout vs Temperature
Reset Timeout Period
vs CRT Capacitance
Watchdog Timeout Period
vs CWT Capacitance
Internal Reset Timeout Period
vs Temperature
Internal Watchdog Timeout
Period vs Temperature
BIAS Output Voltage vs
Input Voltage
ADJ Regulation Voltage
vs Temperature
TA = 25ยฐC, unless otherwise noted.
0.001 0.01
0.1
1
10
100
1000
1
10
100
1000
10000
100000
3246 G18
CWT (nF)
โˆ’60 โˆ’40 โˆ’20 0 20 40 60 80 100 120 140
1.00
1.02
1.04
1.06
1.08
1.10
1.12
1.14
1.16
1.18
1.20
3246 G12
TEMPERATURE (ยฐC)
โˆ’60 โˆ’45 โˆ’30 โˆ’15 0 15 30 45 60 75 90
TEMPERATURE (ยฐC)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
3246 G13
VOUT = 2.5V
VOUT = 3.0V
VOUT = 3.3V
VOUT = 5.0V
IOUT = 500mA
โˆ’60 โˆ’40 โˆ’20 0 20 40 60 80 100 120 140
100
125
150
175
200
225
250
275
300
3246 G14
TEMPERATURE (ยฐC)
โˆ’60 โˆ’40 โˆ’20 0 20 40 60 80 100 120 140
TEMPERATURE (ยฐC)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
3246 G15
โˆ’60 โˆ’40 โˆ’20 0 20 40 60 80 100 120 140
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3246 G16
TEMPERATURE (ยฐC)
VIN = 12V
VIN = 2.7V
0.001 0.01
0.1
1
10
100
1000
0.1
1
10
100
1000
10000
3246 G17
CRT (nF)
0
5
10
15
20
25
30
35
40
3.0
3.5
4.0
4.5
5.0
5.5
6.0
3246 G19
OUT
V
SD
OUT
V
EN
VIN (V)
RT/WT Timer Control Current
vs Temperature


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