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参数资料
| 型号： | LTC3388IMSE-3#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20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
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IH
V IL(D0, D1)
V IL(EN,STBY)
I IH
I IL
D0/D1/EN/STBY Input High Voltage
D0/D1 Input Low Voltage
EN/STBY Input Low Voltage
D0/D1/EN/STBY Input High Current
D0/D1/EN/STBY Input Low Current
Additional I Q at V IN with EN at V IH(MIN)
Additional I Q at V IN with STBY at V IH(MIN)
V EN = 1.2V, V IN = 4V
V STBY = 1.2V, V IN = 4V
l
l
l
1.2
40
40
0.4
150
10
10
V
V
mV
nA
nA
nA
nA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3388-1/LTC3388-3 are tested under pulsed load conditions
such that T J ≈ T A . The LTC3388E-1/LTC3388E-3 are guaranteed to meet
specifications from 0°C to 85°C junction temperature. Specifications over
the –40°C to 125°C operating junction temperature range are assured by
design, characterization and correlation with statistical process controls.
The LTC3388I-1/LTC3388I-3 are guaranteed over the –40°C to 125°C
operating junction temperature range. Note that the maximum ambient
temperature consistent with these specifications is determined by specific
operating conditions in conjunction with board layout, the rated package
thermal impedance and other environmental factors.
Note 3: The junction temperature (T J , in °C) is calculated from the ambient
temperature (T A , in °C) and power dissipation (PD, in Watts) according
to the formula: T J = T A + (P D ? θ JA ), where θ JA (in °C/W) is the package
thermal impedance.
Note 4: Dynamic supply current is higher due to gate charge being
delivered at the switching frequency.
TYPICAL PERFORMANCE CHARACTERISTICS
Input I Q vs V IN , UVLO
Input I Q vs V IN , No Load
Input I Q vs V IN , EN Low
800
700
600
500
400
300
200
125°C
85°C
25°C
–40°C
1600
1400
1200
1000
800
600
D1 = D0 = 0
125°C
85°C
25°C
–40°C
1200
1000
800
600
400
125°C
85°C
25°C
–40°C
100
400
200
0
0
0.5
1
1.5
2
2.5
200
2
4
6
8
10
12
14
16
18
20
0
0
2
4
6
8
10 12 14 16 18 20
V IN (V)
338813 G01
V IN (V)
338813 G02
V IN (V)
338813 G03
338813f
4
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