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参数资料
| 型号： | LTC3388IMSE-3#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 50MA 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 2.8V，3V，3.3V，5V |
| 输入电压： | 2.7 V ~ 20 V |
| 电流 - 输出： | 50mA |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
LTC3388-1/LTC3388-3
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are for T A = 25°C (Note 2). Unless otherwise noted, V IN = 5.5V.
SYMBOL
V IN
PARAMETER
Input Voltage Range
CONDITIONS
l
MIN
2.7
TYP
MAX
20
UNITS
V
I Q
V IN Quiescent Current When Enabled
UVLO
Sleep
Sleep
Active
V IN = 2V
V IN = 4V
V IN = 20V
I SW = 0A (Note 4)
400
720
820
150
600
1100
1200
250
nA
nA
nA
μA
I Q,STBY
V IN Quiescent Current Enabled, in Standby
Sleeping
Not Sleeping
V IN = 4V
V IN = 4V
720
2000
1100
3000
nA
nA
I Q,SD
V IN Quiescent Current When Disabled
V IN = 4V
V IN = 20V
520
620
800
900
nA
nA
V UVLO
V OUT
V IN Undervoltage Lockout Threshold
Regulated Output Voltage (LTC3388-1)
V IN Rising
V IN Falling
1.2V Output Selected; D1 = 0, D0 = 0
Sleep Threshold
Wake-Up Threshold
l
l
l
l
2.15
1.140
2.5
2.3
1.208
1.192
2.65
1.260
V
V
V
V
1.5V Output Selected; D1 = 0, D0 = 1
Sleep Threshold
Wake-Up Threshold
l
l
1.440
1.508
1.492
1.560
V
V
1.8V Output Selected; D1 = 1, D0 = 0
Sleep Threshold
Wake-Up Threshold
l
l
1.737
1.808
1.792
1.863
V
V
2.5V Output Selected; D1 = 1, D0 = 1
Sleep Threshold
Wake-Up Threshold
l
l
2.400
2.508
2.492
2.600
V
V
V OUT
Regulated Output Voltage (LTC3388-3)
2.8V Output Selected; D1 = 0, D0 = 0
Sleep Threshold
Wake-Up Threshold
l
l
2.688
2.816
2.784
2.912
V
V
3.0V Output Selected; D1 = 0, D0 = 1
Sleep Threshold
Wake-Up Threshold
l
l
2.895
3.016
2.984
3.105
V
V
3.3V Output Selected; D1 = 1, D0 = 0
Sleep Threshold
Wake-Up Threshold
l
l
3.201
3.316
3.284
3.399
V
V
5.0V Output Selected; D1 = 1, D0 = 1
PGOOD Threshold
Sleep Threshold
Wake-Up Threshold
As a Percentage of the Selected V OUT
l
l
4.820
83
5.016
4.984
92
5.180
V
V
%
V OL, PGOOD
I VOUT
PGOOD Output Low Voltage
Output Quiescent Current
100μA Into Pin
LTC3388-1: V OUT = 2.5V
l
60
0.2
V
nA
LTC3388-3: V OUT = 5.0V
120
nA
I PEAK
I OUT
PMOS Switch Peak Current
Available Output Current
l
l
100
50
150
210
mA
mA
R P, BUCK
R N, BUCK
PMOS Switch On-Resistance
NMOS Switch On-Resistance
1.1
1.3
Ω
Ω
Maximum Duty Cycle
l
100
%
338813f
3
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