参数资料
型号: SC171MLTRT
厂商: Semtech
文件页数: 8/27页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1A 10MLPD
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: 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-MLPD(3x3)
其它名称: SC171MLDKR
SC171
Typical Characteristics
Efficiency vs Output Current
Output Voltage vs Output Current
100.0
95.0
90.0
85.0
3.362
3.356
3.350
3.344
Vin=5V, Vo=3.3V,
L OUT : DS86C-B992AS-2R0N
C OUT =22 m Fx2
R TON = 90.9kOhm
80.0
75.0
Vin=5V, Vo=3.3V,
L OUT : DS86C-B992AS-2R0N,
C OUT =22 m Fx2
R TON = 90.9kOhm
3.338
3.332
70.0
65.0
Red: PSAVE Mode
Blue: Forced Continuous PWM Mode
3.326
3.320
Blue: Forced Continuous PWM Mode
Red: PSAVE Mode
0
0.25 0.5 0.75
Output Current (A)
1
0
0.25 0.5 0.75
Output Current (A)
1
Efficiency vs Output Current
Output Voltage vs Output Current
95.0
90.0
1.224
1.223
Vin=5V, Vo=1.21V,
L OUT : DS86C-B992AS-2R0N
85.0
80.0
75.0
70.0
65.0
60.0
55.0
50.0
Vin=5V, Vo=1.2V,
L OUT : DS86C-B992AS-2R0N
C OUT =22 m F+0.1 m F
R TON = 24.9kOhm
Red: PSAVE Mode
Blue: Forced Continuous PWM Mode
1.222
1.221
1.220
1.219
1.218
1.217
1.216
C OUT =22 m F+0.1 m F
R TON = 24.9kOhm
Red: PSAVE Mode
Blue: Forced Continuous PWM
Mode
0
0.25 0.5 0.75
Output Current (A)
1
0
0.25 0.5 0.75
Output Current (A)
1
Efficiency vs Output Current
Output Voltage vs Output Current
95.0
90.0
85.0
80.0
1.225
1.223
1.220
Vo=1.21V, R TON =24.9kOhm
C OUT :22 m F+0.1 m F
L OUT : DS86C-B992AS-2R0N,
Forced Continuous Mode
Black: Vin = 3.5V
75.0
70.0
Vo=1.2V, R TON = 24.9kOhm
L OUT : DS86C-B992AS-2R0N
C OUT :22 m F+0.1 m F
1.218
65.0
60.0
55.0
50.0
Forced Continuous Mode
Red:Vin = 3.5V
Green: Vin = 4.0V
Blue: Vin = 5.0V
1.215
1.213
1.210
Black: Vin = 3.5V
Red: Vin = 4V
Blue: Vin = 5.0V
0
0.25 0.5 0.75
Output Current (A)
1
0
0.25 0.5 0.75
Output Current (A)
1
? 2010 Semtech Corporation
8
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