参数资料
型号: SC185QULTRT
厂商: Semtech
文件页数: 4/18页
文件大小: 0K
描述: IC REG BUCK SYNC 3.3V 4A 16MLPQ
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 2.9 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 1.5MHz
电流 - 输出: 4A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-UFQFN 裸露焊盘
包装: 标准包装
供应商设备封装: 16-MLPQ-UT(3x3)
其它名称: SC185QULDKR
SC185
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Impedence of PGOOD Low
R PGOOD_LO
10
Ω
PGOOD Threshold
PGOOD Delay
EN Delay
V PG_TH
V PG_DLY
t EN_DLY
VOUT rising
Asserted
PGOOD= Low
From EN Input High to SS starts rising
90
2
20
50
%
ms
μs
μs
EN Input Current (11)
I EN_
EN =AVIN or AGND
-2.0
2.0
μA
EN Input High Threshold
EN Input Low Threshold
V EN_HI
V EN_LO
1.2
0.4
V
V
MODE Input Current (11)
I MODE_
MODE= AVIN or AGND
-2.0
2.0
μA
MODE Input High Threshold
MODE Input Low Threshold
V MODE_HI
V MODE_LO
1.2
0.4
V
V
V OUT Over Voltage Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
V OVP
T SD
T SD_HYS
110
115
160
10
120
%
°C
°C
Notes:
(10) The “Output Voltage Tolerance” includes output voltage accuracy, voltage drift over temperature and the line regulation.
(11) A negative current means the current flows into the pin and a positive current means the current flows out from the pin.
? 2010 Semtech Corp.
4
www.semtech.com
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