参数资料
| 型号： | SC190CIMLTRT |
| 厂商： | Semtech |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.3A 10MLP |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 300mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-MLP（3x3） |
| 产品目录页面： | 1357 (CN2011-ZH PDF) |
| 其它名称： | SC190CIMLDKR |
SC190
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless otherwise noted: V IN = 3.6V, SYNC/PWM = V IN , MODE = GND, EN = V IN , T A = -40 to 85°C. Typical values are at T A = +25°C. This device is ESD sensitive.
Use of standard ESD handling precautions is required.
Parameter
UVLO Threshold (lower)
Symbol
V UVL
Conditions
Min
2.4
Typ
2.5
Max
2.6
Units
V
C
C
UVLO Hysteresis
Thermal Shutdown
Thermal Shutdown
Hysteresis
V UVLHYS
T HI
T HYSR
50
145
10
mV
°
°
Logic Input High
Logic Input Low
VIH
VIL
EN, SYNC/PWM, MODE,
VID0, VID1
EN, SYNC/PWM, MODE,
VID0, VID1
1.6
0.6
V
V
Logic Input Current High
Logic Input Current Low
I IH
I IL
EN, SYNC/PWM, MODE,
VID0, VID1
EN, SYNC/PWM, MODE,
VID0, VID1
-2
-2
0.1
0.1
2
2
μA
μA
Notes:
(1) Line regulation is tested with 2.7V < VIN < 5.5V and the following output voltage settings:
· SC190A - 1.8V
· SC190B - 1.8V
· SC190D - 1.4V
(2) Line regulation is tested with 3.7V < VIN < 5.5V and VOUT = 2.6V for the SC190C version. The input voltage range is reduced due to the
higher output voltage settings of the SC190C. This also forces the speci?cation range to grow wider because it is expressed as a percentage
of the input voltage range.
(3) Tested at I BP = 180mA. Equivalent to I OUT = 300mA at V OUT = 1.8V.
(4) I Q = I IN - I OUT.
? 2005 Semtech Corp.
4
www.semtech.com
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