参数资料
型号: SC2443MLTRT
厂商: Semtech
文件页数: 7/22页
文件大小: 0K
描述: IC DUAL SYNC STP-DN CTRLR 24MLPQ
标准包装: 1
应用: 控制器,DDR
输入电压: 4.75 V ~ 16 V
输出数: 2
输出电压: 可调至 0.5V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-MLPQ
供应商设备封装: 24-MLPQ(4x4)
包装: 标准包装
产品目录页面: 1358 (CN2011-ZH PDF)
其它名称: SC2443MLDKR
SC2443
Typical Application Circuit Performance
Circuit Conditions : Single output current share configuration as shown in page  5
COMP 
 V/DIV
EN /SS 
2V/DIV
VIN
2V/DIV
Soft Start
VIN
5V/DIV
COMP 
 V/DIV
EN /SS 
2V/DIV
Releasing SS/EN pin from GND
VIN
5V/DIV
EN /SS 
2V/DIV
GDL 
5V/DIV
Releasing SS/EN pin from GND
VOUT
 V/DIV
 0ms/DIV
VOUT
 V/DIV
 0ms/DIV
VOUT
 V/DIV
 0ms/DIV
VIN
2V/DIV
EN /SS 
2V/DIV
GDL 
 0V/DIV
VOUT
 V/DIV
GDH 
GDH2
 0V/DIV
Shuting down _ VIN ramp down
 ms/DIV
Output Ripple _ IOUT = 40A
VIN
5V/DIV
EN /SS 
2V/DIV
GDL 
 0V/DIV
VOUT
 V/DIV
VOUT
50mV/DIV
Pulling SS/EN pin to GND
400us/DIV
Transient Response _  0A ~ 30A
GDH 
GDL 
 0V/DIV
GDH2
GDL2
 0V/DIV
SS /EN 
2V/DIV
GDH 
20V/DIV
GDL 
 0V/DIV
Gate Wavefroms
 us/DIV
OCP Trip _ IOUT = 56A
VOUT
20mV/DIV
VOUT
0.5V/DIV
SS /EN 
2V/DIV
GDH 
20V/DIV
 us/DIV
OCP Recovery to 30A loading
200us/DIV
EFF (%)
90
80
70
60
400us/DIV
Efficiency ( 2VIN to  VOUT)
GDL 
 0V/DIV
50
VOUT
0.5V/DIV
40
20ms/DIV
30
1
5
10
15
20
25
30
35
40 IOUT(A)
7
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