参数资料
型号: SC286ULTRT
厂商: Semtech
文件页数: 7/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 28MLPQ
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 3.3 V
输入电压: 2.9 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 1.6MHz
电流 - 输出: 4A
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: 28-UFQFN 裸露焊盘
包装: 标准包装
供应商设备封装: 28-MLPQ(4x4)
其它名称: SC286ULDKR
SC286
Typical Characteristics
Circuit Conditions: C IN = 22μF/6.3V, C OUT = 2 x 22μF/6.3V, C SS = 10nF. Unless otherwise noted, L = 1.0μH (TOKO: FDV0530S-1R0), each device
Efficiency
Total Loss
100
95
90
85
T A = 25 °C
V IN = 5V; V OUT = 3.3V
V IN = 5V; V OUT = 1.5V
2000
1600
1200
T A = 25 °C
V IN = 5V; V OUT = 3.3V
V IN = 3.3V; V OUT = 1.5V
80
75
V IN = 3V; V OUT = 1.5V
800
70
65
400
V IN = 5V; V OUT = 1.5V
60
0
0.1
Output current (A)
1.0
10.0
0
0
0.5
1.0
1.5 2.0 2.5
Output current (A)
3.0
3.5
4.0
R DS(ON) Variation vs. Input Voltage
R DS(ON) Variation vs. Temperature
35
30
25
20
15
10
I LX = ±100mA, T A = 25°C
P-Channel
20
15
10
5
0
I LX = ±100mA, T A = 25°C
P-Channel
5
0
-5
N-Channel
-5
-10
-15
N-Channel
-10
2.5
3.0
3.5
4.0
Input Voltage (V)
4.5
5.0
5.5
-20
-40
-15
10 35
Ambient Temperature (°C)
60
85
Load Regulation
2.0
1.5
T A = 25 °C
V IN = 5V; V OUT = 1.5V
V IN = 3.3V; V OUT = 1.5V
1.0
V IN = 5V; V OUT = 3.3 V
0.5
0
-0.5
0
0.5
1
1.5
2 2.5
Output current (A)
3
3.5
4
4.5
7
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