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参数资料
| 型号： | LTC3632IMS8E#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 20MA 8MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 50 V |
| 输入电压： | 4.5 V ~ 50 V |
| PWM 型： | Burst Mode? |
| 电流 - 输出： | 20mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-MSOP-EP |
LTC3632
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
100
Efficiency vs Load Current,
V OUT = 5V
100
Efficiency vs Load Current,
V OUT = 3.3V
100
Efficiency vs Load Current,
V OUT = 2.5V
95
90
85
80
75
70
65
60
V IN = 24V
V IN = 12V
V IN = 48V
V IN = 36V
95
90
85
80
75
70
65
60
V IN = 24V
V IN = 12V
V IN = 48V
V IN = 36V
95
90
85
80
75
70
65
60
V IN = 24V
V IN = 12V
V IN = 48V
V IN = 36V
55
50
0.1
1
V OUT = 5V
FIGURE 11 CIRCUIT
10
55
50
0.1
1
V OUT = 3.3V
FIGURE 11 CIRCUIT
10
55
50
0.1
1
V OUT = 2.5V
FIGURE 11 CIRCUIT
10
LOAD CURRENT (mA)
Efficiency vs Input Voltage
3632 G01
LOAD CURRENT (mA)
Line Regulation
3632 G02
LOAD CURRENT (mA)
Load Regulation
3632 G03
100
95
90
85
80
V OUT = 5V
FIGURE 11 CIRCUIT
I LOAD = 1mA
I LOAD = 20mA
I LOAD = 5mA
0.50
0.40
0.30
0.20
0.10
0
–0.10
–0.20
I LOAD = 20mA
FIGURE 11 CIRCUIT
5.05
5.04
5.03
5.02
5.01
5.00
4.99
4.98
V IN = 10V
V OUT = 5V
FIGURE 11 CIRCUIT
75
–0.30
–0.40
4.97
4.96
70
10
15
20
25
30
35
40
45
50
–0.50
5
10
15
20
25
30
35
40
45
50
4.95
0
5
10
15
20
INPUT VOLTAGE (V)
3632 G04
INPUT VOLTAGE (V)
3632 G05
LOAD CURRENT (mA)
3632 G06
0.801
Feedback Comparator Trip
Voltage vs Temperature
V IN = 10V
5.6
5.4
Feedback Comparator Hysteresis
Voltage vs Temperature
V IN = 10V
60
50
Peak Current Trip Threshold
vs Temperature and I SET
V IN = 10V
I SET OPEN
0.800
5.2
40
5.0
30
R ISET = 500 k
0.799
4.8
20
4.6
10
I SET = GND
0.798
–40
–10
20 50 80
110
4.4
–40
–10
20 50 80
110
0
–40
–10
20 50 80
110
TEMPERATURE (°C)
3632 G07
TEMPERATURE (°C)
3632 G08
TEMPERATURE (°C)
3632 G09
3632fc
4
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