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LTC3833 Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3833
Description  Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller
PDF  50 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3833 Datasheet(HTML) 7 Page - Linear Technology

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LTC3839
7
3839fa
TYPICAL PERFORMANCE CHARACTERISTICS
CLKOUT/Switching Frequency
vs Input Voltage
CLKOUT/Switching Frequency
vs Temperature
tON(MIN) and tOFF(MIN)
vs VOUT (Voltage on SENSE– Pin)
tON(MIN) and tOFF(MIN)
vs Voltage on VIN Pin
tON(MIN) and tOFF(MIN)
vs Switching Frequency
Output Regulation
vs Input Voltage
Error Amplifier Transconductance
vs Temperature
Output Regulation
vs Load Current
Output Regulation
vs Temperature
TEMPERATURE (°C)
–50
1.50
1.55
1.60
1.65
1.70
050
100
150
3839 G27
1.75
1.80
–25
25
75
125
VIN (V)
0
–2
–1
0
1
2
510
15
20
3839 G21
25
30
35
40
VOUT = 0.6V
ILOAD = 5A
f = 500kHz
FREQUENCY NORMALIZED AT VIN = 15V
TEMPERATURE (°C)
–50
–2
–1
0
1
2
–25
0
25
50
3839 G23
75
100 125 150
VIN = 15V, VOUT = 0.6V
ILOAD = 0A
f = 500kHz
FREQUENCY NORMALIZED AT TA = 25°C
VSENSE
– (V)
0
0
20
40
60
1
2
34
3839 G24
5
80
100
10
30
50
70
90
6
VIN = 38V
RT ADJUSTED FOR fCLKOUT = 2MHz
tOFF(MIN)
tON(MIN)
VIN (V)
0
0
20
40
60
5
10
15
20
3839 G25
35
30
25
80
100
10
30
50
70
90
40
VOUT = 0.6V
RT ADJUSTED FOR fCLKOUT = 2MHz
tOFF(MIN)
tON(MIN)
CLKOUT/SWITCHING FREQUENCY (kHz)
200
0
20
40
60
500
800
1100
1400
3839 G26
1700
80
100
10
30
50
70
90
2000
VIN = 38V
VOUT = 0.6V
tOFF(MIN)
tON(MIN)
VIN (V)
0
–0.2
–0.1
0
0.1
0.2
510
15
20
3839 G18
25
30
35
40
VOUT = 0.6V
ILOAD = 5A
VOUT NORMALIZED AT VIN = 15V
ILOAD (A)
0
0
0.1
16
3839 G19
–0.1
–0.2
4
8
12
20
0.2
VIN = 15V
VOUT = 0.6V
VOUT NORMALIZED AT ILOAD = 8A
TEMPERATURE (°C)
–50
–0.6
–0.4
–0.2
0
0.2
050
100
150
3839 G20
0.4
0.6
–25
25
75
125
VIN = 15V
VOUT = 0.6V
ILOAD = 0A
VOUT NORMALIZED AT TA = 25°C



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