参数资料
型号: SC194AMLTRT
厂商: Semtech
文件页数: 2/17页
文件大小: 0K
描述: IC REG BUCK ADJ 1A 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: 1A
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-MLP(3x3)
产品目录页面: 1357 (CN2011-ZH PDF)
其它名称: SC194AMLDKR
SC194A
POWER MANAGEMENT
PRELIMINARY
Absolute Maximum Ratings
Exceeding the speci ? cations below may result in permanent damage to the device or device malfunction. Operation outside of the parameters speci ? ed in the
Electrical Characteristics section is not recommended.
Parameter
Input Supply Voltage
Logic Inputs
(SYNC/PWM, EN, MODE, VID0, VID1)
Output Voltage
LX Voltage
Thermal Impedance Junction to Ambient (1)
VOUT Short-Circuit to GND
Operating Ambient Temperature Range
Storage Temperature
Junction Temperature
Peak IR Re ? ow Temperature
ESD Protection Level (2)
Symbol
V IN
V N
V OUT
V LX
θ JA
t SC
T A
T S
T JC
T LEAD
V ESD
Maximum
-0.3 to 7
-0.3 to V IN +0.3, 7V Max
-0.3 to V IN +0.3, 7V Max
-1 to V IN +1, 7V Max
40
Continuous
-40 to +85
-60 to +160
-40 to +150
260
2
Units
V
V
V
V
°C/W
s
°C
°C
°C
°C
kV
Note:
1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
2) Tested according to JEDEC standard JESD22-A114-B.
Electrical Characteristics
Unless otherwise noted: V IN = 3.6V, EN = V IN , SYNC/PWM = V IN , MODE = V IN , T A = -40 to 85°C. Typical values are at T A = 25°C.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Input Voltage Range
VOUT Accuracy
V IN
V OUT
I OUT = 0.5A, T A = 25°C
2.7
5.5
±1
V
%
VOUT Temperature Accuracy
Line Regulation
Load Regulation (PWM)
PSAVE Regulation
P-Channel On Resistance
N-Channel On Resistance
Start-Up Time
P-Channel Current Limit
V OUT(T)
V OUT LINE
V OUT LOAD
V OUT PSAVE
R DSP
R DSN
T START
I LIM(P)
I OUT = 0.5A, T A = -40 to 85°C
V IN = 2.7V to 5.5V, V OUT = 1.8V,
I OUT = 0.5A, T A = -40 to 85°C
I OUT = 0A to 1A, T A = -40 to 85°C
SYNC/PWM =GND, C OUT =22 μ F
I LX = 100mA
I LX = 100mA
1.33
±0.3
±0.4
±0.3
+1.3
-0.3
0.275
0.165
1.9
±0.7
±0.65
±0.65
+1.6
-0.6
5
2.47
%
%
%
%
Ω
Ω
ms
A
? 2006 Semtech Corp.
2
www.semtech.com
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