參數(shù)資料
型號(hào): LTC3642IMS8E-3.3E#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.13 A SWITCHING REGULATOR, PDSO8
封裝: LEAD FREE, PLASTIC, MSOP-8
文件頁數(shù): 15/20頁
文件大小: 306K
代理商: LTC3642IMS8E-3.3E#PBF
LTC3642
4
3642fa
TYPICAL PERFORMANCE CHARACTERISTICS
Efciency vs Load Current
Line Regulation
Load Regulation
Feedback Comparator Voltage
vs Temperature
Feedback Comparator Hysteresis
vs Temperature
Peak Current Trip Theshold
vs Temperature
Peak Current Trip Threshold
vs RISET
Quiescent Supply Current
vs Input Voltage
Quiescent Supply Current
vs Temperature
VIN VOLTAGE (V)
5
–0.30
V
OUT
/V
OUT
(%)
–0.20
–0.10
0
0.10
15
25
35
45
3642 G02
0.20
0.30
10
20
30
40
ILOAD = 25mA
FIGURE 10 CIRCUIT
LOAD CURRENT (mA)
0
OUTPUT
VOLTAGE
(V)
5.01
5.03
5.05
40
3642 G03
4.99
4.97
5.00
5.02
5.04
4.98
4.96
4.95
10
20
30
50
VIN = 10V
FIGURE 10 CIRCUIT
ISET OPEN
TEMPERATURE (°C)
–40
4.4
FEEDBACK
COMPARATOR
HYSTERESIS
(mV)
4.6
4.8
5.0
5.2
5.6
–10
20
50
80
3642 G05
110
5.4
VIN = 10V
TEMPERATURE (°C)
–40
0
PEAK
CURRENT
TRIP
THRESHOLD
(mA)
20
10
30
50
40
70
60
80
90
–10
20
80
50
3642 G06
110
130
120
110
100
ISET OPEN
ISET = GND
RISET = 500k
VIN = 10V
RSET (kΩ)
0
10
PEAK
CURRENT
TRIP
THRESHOLD
(mA)
30
50
70
90
200
400
600
800
1000
3642 G07
1200
110
20
40
60
80
100
120
VIN = 10V
VIN VOLTAGE (V)
5
10
12
14
SLEEP
45
3642 G08
8
6
15
25
35
4
2
0
V
IN
SUPPL
Y
CURRENT
(μA)
SHUTDOWN
TEMPERATURE (°C)
–40
10
12
14
SLEEP
110
3642 G09
8
6
–10
20
50
80
4
2
0
V
IN
SUPPL
Y
CURRENT
(μA)
SHUTDOWN
VIN = 10V
LOAD CURRENT (mA)
0.1
80
EFFICIENCY
(%)
90
100
1
10
100
3642 G01
70
75
85
95
65
60
FIGURE 10 CIRCUIT
ISET OPEN
VOUT = 5V
VIN = 10V
VIN = 45V
VIN = 15V
VIN = 24V
VIN = 36V
TEMPERATURE (°C)
–40
0.798
FEEDBACK
COMPARATOR
TRIP
VOLTAGE
(V)
0.799
0.800
0.801
–10
20
50
80
3642 G04
110
VIN = 10V
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