參數(shù)資料
型號: LTC3816EFE#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDSO38
封裝: LEAD FREE, PLASTIC, TSSOP-38
文件頁數(shù): 41/44頁
文件大小: 753K
代理商: LTC3816EFE#TRPBF
LTC3816
3816f
Typical perForMance characTerisTics
Efficiency vs VIN with VEXTVCC = 5V
VCC(CORE) vs Temperature
Load Regulation with
AVP Slope = –3mV/A
Efficiency vs Load Current
Efficiency vs VCC(CORE)
Efficiency vs VIN with VEXTVCC = 0V
LOAD CURRENT (A)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.01
1
10
3816 G01
0
0.1
VIN = 12V, fOSC = 400kHz
VCC(CORE) = 0.75V, VEXTVCC = 0V
LAST PAGE CIRCUIT
PULSE-SKIPPING
MODE
FORCED CONTINUOUS
MODE
LOAD CURRENT (A)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.01
1
10
3816 G02
0
0.1
VIN = 12V, fOSC = 400kHz, VEXTVCC = 0V
FORCED CONTINOUS MODE
LAST PAGE CIRCUIT
VCC(CORE) = 0.50V
VCC(CORE) = 0.75V
VCC(CORE) = 1.00V
VCC(CORE) = 1.20V
LOAD CURRENT (A)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.01
1
10
3816 G03
0
0.1
VCC(CORE) = 0.75V, fOSC = 400kHz
VEXTVCC = 0V
FORCED CONTINOUS MODE
LAST PAGE CIRCUIT
VIN = 5V
VIN = 12V
VIN = 24V
LOAD CURRENT (A)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.01
1
10
3816 G04
0
0.1
VCC(CORE) = 0.75V, fOSC = 400kHz
VEXTVCC = 5V
FORCED CONTINOUS MODE
LAST PAGE CIRCUIT
VIN = 12V
VIN = 24V
Efficiency vs fOSC with
VEXTVCC = 0V
LOAD CURRENT (A)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.01
1
10
3816 G05
0
0.1
VIN = 12V, VCC(CORE) = 0.75V
VEXTVCC = 0V
FORCED CONTINOUS MODE
LAST PAGE CIRCUIT
fOSC = 210kHz
fOSC = 400kHz
fOSC = 580kHz
Efficiency vs fOSC with
VEXTVCC = 5V
LOAD CURRENT (A)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.01
1
10
3816 G06
0
0.1
VIN = 12V, VCC(CORE) = 0.75V
VEXTVCC = 5V
FORCED CONTINOUS MODE
LAST PAGE CIRCUIT
fOSC = 210kHz
fOSC = 400kHz
fOSC = 580kHz
TEMPERATURE (°C)
–50
0.745
V C
C(
CO
R
E)
(V)
0.746
0.748
0.749
0.750
0.755
0.752
0
50
75
3816 G07
0.747
0.753
0.754
0.751
–25
25
100 125
LOAD CURRENT (A)
0
–80
V
CC(CORE)
(mV)
–70
–50
–40
–30
16
10
3816 G08
–60
8
4
20
24
12
28
–20
–10
0
VCC(CORE) = 0.5V
VCC(CORE) = 1.2V
VIN = 12V, fOSC = 400kHz
VEXTVCC = 0V
AVP SLOPE = –3mV/A
FORCED CONTINOUS MODE
LAST PAGE CIRCUIT
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