参数资料
型号: SC173MLTRT
厂商: Semtech
文件页数: 4/27页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 10MLPD
产品培训模块: Power Supplies 101
标准包装: 1
系列: EcoSpeed®
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.75 V ~ 5.23 V
输入电压: 3 V ~ 5.5 V
频率 - 开关: 200kHz ~ 1MHz
电流 - 输出: 3A
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: 10-VFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 10-MLPD(3x3)
其它名称: SC173MLDKR
SC173
Electrical Characteristics (continued)
Unless specified: V IN =5V, T A =+25°C for Typ, -40°C to +85°C for Min and Max, T J < 125°C
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Timing
On-Time
Continuous Mode
V IN =5V, V OUT =3V, R TON =200k?
2.7
3
3.3
μ s
Minimum On-Time (1)
Minimum Off-Time (1)
Soft start
80
250
ns
ns
Soft start Time (1)
Delay from PWM Switching to Output
Regulation
850
μs
Ultrasonic Power Save
Zero-Crossing Detector Threshold
Ultrasonic Power Save Frequency
LX - PGND
0
25
mV
kHz
Power Good
Power Good Threshold
Power Good Signal Threshold High
Power Good Signal Threshold Low
116
86
120
90
124
93
%V OUT
PGOOD Delay Time (1)
VDD=3V
VDD=5V
1
2
ms
Noise Immunity Delay Time
Leakage
5
1
μs
μA
Power Good On-Resistance
10
20
?
Fault Protection
Output Under-Voltage Fault
Output Over-Voltage Fault
Smart PowerSave
Protection Threshold
FB with Respect to REF,
8 Consecutive Clocks
FB with Respect to REF
FB with Respect to REF
-30
+16
+7
-25
+20
+10
-20
+24
+13
%
%
%
OV, UV Fault Noise Immunity Delay
5
μs
Over-Temperature Shutdown
? 2010 Semtech Corporation
OT Latched
150
°C
4
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SC174MLTRT 功能描述:IC REG BUCK SYNC ADJ 4A 10MLPD RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:EcoSpeed® 标准包装:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2