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参数资料
| 型号： | LT3505IMS8E#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1.2A 8MSOP |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.78 V ~ 33.8 V |
| 输入电压： | 3.6 V ~ 36 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 200kHz ~ 3.01MHz |
| 电流 - 输出： | 1.2A |
| 同步整流器： | 无 |
| 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： | 管件 |
| 供应商设备封装： | 8-MSOP-EP |
LT3505
TYPICAL PERFORMANCE CHARACTERISTICS
Ef?ciency (V OUT = 5V, L = 10μH,
f SW = 750kHz)
Ef?ciency (V OUT = 3.3V, L = 10μH,
f SW = 750kHz)
Ef?ciency (V OUT = 3.3V,
L = 4.7μH, f SW = 2.2MHz)
95
90
T A = 25 ° C
95
90
T A = 25 ° C
95
90
T A = 25 ° C
85
80
75
70
65
85
80
75
70
65
85
80
75
70
65
60
55
50
0
0.2
0.4
0.6
0.8
V IN = 8V
V IN = 12V
V IN = 24V
1.0 1.2
60
55
50
0
0.2
0.4
0.6
0.8
V IN = 8V
V IN = 12V
V IN = 24V
1.0 1.2
60
55
50
0
0.2
0.4
0.6
0.8
V IN = 8V
V IN = 12V
1.0 1.2
LOAD CURRENT (A)
Ef?ciency (V OUT = 5V, L = 4.7μH,
f SW = 2.2MHz)
LOAD CURRENT (A)
Max Load Current (V OUT = 3.3V,
L = 6.8μH, f SW = 750kHz)
LOAD CURRENT (A)
Max Load Current (V OUT = 5V,
f SW = 750kHz)
95
90
85
80
75
70
T A = 25 ° C
1.7
1.6
1.5
1.4
1.3
1.2
T A = 25 ° C
TYPICAL
MINIMUM
1.7
1.6
1.5
1.4
1.3
1.2
T A = 25 ° C
TYPICAL, L = 22 μ H
TYPICAL, L = 10 μ H
MINIMUM, L = 10 μ H
65
60
1.1
1.0
*10% DROPOUT
1.1
1.0
*10% DROPOUT
55
50
0
0.2
0.4 0.6 0.8
LOAD CURRENT (A)
V IN = 8V
V IN = 12V
1.0 1.2
0.9
0.8
5
7
9
11 13 15
INPUT VOLTAGE (V)
17
19
0.9
0.8
6
8 10 12 14 16 18 20 22 24 26 28 30
INPUT VOLTAGE (V)
3505 G05
3505 G06
Max Load Current (V OUT = 3.3V,
L = 2.2μH, f SW = 2.2MHz)
Max Load Current (V OUT = 5V,
L = 3.3μH, f SW = 2.2MHz)
Switch Voltage Drop
1.8
1.7
T A = 25 ° C
1.80
1.70
T A = 25 ° C
500
450
1.6
1.5
1.4
1.3
1.2
TYPICAL
MINIMUM
1.60
1.50
1.40
1.30
1.20
TYPICAL
MINIMUM
400
350
300
250
200
T A = 85 ° C
T A = 25 ° C
T A = –45 ° C
1.1
1.10
150
1.0
0.9
*10% DROPOUT
1.00
0.90
*10% DROPOUT
100
50
0.8
5
6
7 8 9 10
INPUT VOLTAGE (V)
11
12
0.80
7
8
9
10 11 12
INPUT VOLTAGE (V)
14
16
18
0
0
300
600 900 1200
SWITCH CURRENT (mA)
1500
3505 G07
3505 G08
3505 G09
3505fc
4
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相关代理商/技术参数 |
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|---|---|
| LT3505IMS8E-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A, Step-Down Switching Regulator in 3mm × 3mm DFN |
| LT3505IMS8E-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A, Step-Down Switching Regulator in 3mm × 3mm DFN |
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| LT3506A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic Dual Tracking 3A Step-Down Switching |
| LT3506AEDHD | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator |
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