参数资料
型号: SC189CULTRT
厂商: Semtech
文件页数: 8/24页
文件大小: 0K
描述: IC REG BUCK SYNC 1.2V 1.5A 6MLPQ
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: 1.2V
输入电压: 2.9 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 2.5MHz
电流 - 输出: 1.5A
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: 6-MLPD-UT
包装: 标准包装
供应商设备封装: 6-MLPD-UT(2x2)
产品目录页面: 1357 (CN2011-ZH PDF)
其它名称: SC189CULDKR
SC189
Typical Characteristics ( continued )
Circuit Conditions: C IN = 10uF/6.3V; C OUT = 10uF/6.3V for L=2.2uH; C OUT = 22uF/6.3V for L=1uH.
Unless otherwise noted, L= 2.2uH (TOKO: 1071AS-2R2M) and SC189 in MLPD-UT6 package.
Load Regulation (V OUT =1.5V)
Load Regulation (V OUT =3.3V)
1.0%
Load Regulation
1.0%
Load Regulation
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
V OUT = 1.50V
T A =25°C
V IN = 3.3V
V IN = 5.0V
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
V OUT = 3.30V
T A =25°C
V IN = 4.0V
V IN = 5.0V
0.0
0.3
0.6
0.9
1.2
1.5
0.0
0.3
0.6
0.9
1.2
1.5
UVLO Rising Threshold Variation
UVLO Hysteresis Variation
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
Output Current (A)
UVLO Rising Threshold Variation
5%
4%
3%
2%
1%
0%
-1%
-2%
-3%
Output Current (A)
UVLO Hysteresis Variation
-0.8%
-1.0%
I OUT = 0A
-4%
-5%
I OUT = 0A
-40
-15
10
35
60
85
-40
-15
10
35
60
85
Ambient Temperature (°C)
Cycle Cycle (MLP)Dropout
Dropout Voltage in of 100% Duty Operation Operation
Ambient Temperature (°C)
of Duty Cycle Cycle (SOT23-5)
Dropout Voltage in 100% Duty Operation Operation
500
450
400
350
300
250
200
150
100
50
0
Package: MLPD-UT6
T A = 25°C
L= MDT2520-CR1R0M
(DCR= 80m ? _max)
L= 1071AS-1R0
(DCR=40m ? _max)
500
450
400
350
300
250
200
150
100
50
0
Package: SOT23-5
T A = 25°C
L= MDT2520-CR1R0M
(DCR= 80m ? _max)
L= 1071AS-2R2
(DCR=60m ? _max)
0.0
0.3
0.6
0.9
1.2
1.5
0.0
0.3
0.6
0.9
1.2
1.5
Output Current (A)
Output Current (A)
? 2009 Semtech Corp.
8
www.semtech.com
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