参数资料
型号: SC196AMLTRT
厂商: Semtech
文件页数: 11/17页
文件大小: 0K
描述: IC REG BUCK SYNC 1.5A 10MLP
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: 1V,1.05V,1.2V,1.8V
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: 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: 10-VFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 10-MLP(3x3)
其它名称: SC196AMLDKR
SC196A
POWER MANAGEMENT
Typical Characteristics
Ef ? ciency vs. Load Current V OUT = 1.8V
100
90
100
90
PRELIMINARY
Ef ? ciency vs. Load Current V OUT = 1.0V
80
70
V IN =4.2V PSAVE
V IN =3.6V PSAVE
80
70
V IN =2.7V PSAVE
60
50
V IN =2.7V PSAVE
V IN =4.2V PWM
60
50
V IN =3.6V PSAVE
V IN =4.2V PSAVE
V IN =2.7V PWM
V IN =3.6V PWM
40
V IN =3.6V PWM
40
30
20
10
0
V IN =2.7V PWM
30
20
10
0
V IN =4.2V PWM
0.0001
0.001
0.01
I OUT (A)
0.1
1
0.0001
0.001
0.01
I OUT (A)
0.1
1
100
90
Ef ? ciency vs. Load Current V OUT = 1.2V
100
Ef ? ciency vs. Input Voltage
80
70
60
50
40
V IN =4.2V PSAVE
V IN =3.6V PSAVE
V IN =2.7V PSAVE
V IN =4.2V PWM
95
90
85
V OUT =1.8V,PWM
V OUT =1.8V,PSAVE
30
20
V IN =3.6V PWM
V IN =2.7V PWM
80
75
V OUT =1V,PWM
V OUT t=1V,PSAVE
10
0
0.0001
0.001
0.01
0.1
1
70
2.5
3.0
3.5
4.0
4.5
5.0
5.5
I OUT (A)
Vin(V)
I OUT =500 mA(PWM)/50 mA(PSAVE)
PWM to PSAVE Hysteresis
95
PSAVE Exit for increasing I OUT
PSAVE Entry for decreasing I OUT
90
85
80
75
PSAVE MODE I OUT decreasing
PSAVE Mode I OUT increasing
PWM Mode
70
0.001
? 2008 Semtech Corp.
0.01
I OUT (A)
0.1
1
11
www.semtech.com
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