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参数资料
| 型号： | SC402BMLTRT |
| 厂商： | Semtech |
| 文件页数： | 11/32页 |
| 文件大小： | 1425K |
| 描述： | IC REG DL BCK/LINEAR SYNC 32MLPQ |
| 标准包装： | 1 |
| 系列： | EcoSpeed®, SmartDrive™ |
| 拓扑： | 降压（降压）同步（1），线性（LDO）（1） |
| 功能： | 任何功能 |
| 输出数： | 2 |
| 频率 - 开关： | 1MHz |
| 电压/电流 - 输出 1： | 可调至 0.6V，10A |
| 电压/电流 - 输出 2： | 可调至 0.75V，200mA |
| 带 LED 驱动器： | 无 |
| 带监控器： | 无 |
| 带序列发生器： | 是 |
| 电源电压： | 3 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-MLPQ（5x5） |
| 包装： | 标准包装 |
| 其它名称： | SC402BMLDKR |
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SC402B
11
Typical Characteristics (continued)
Load Regulation vs. Temperature FCM
Characteristics in this section are based on using the Typical Application Circuit on page 8.
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0 1 2 3 4 5 6 7 8 9 10
I
OUT
(A)
T
A
= -40癈
V
IN
= 12V
T
A
= 25癈
V
IN
= 5V
TA = 25癈
V
IN
= 12V
T
A
= 25癈
V
IN
= 18V
T
A
= -40癈
V
IN
= 5V
T
A
= -40癈
VIN= 18V
T
A
= 85癈
V
IN
= 12V
T
A
= 85癈
V
IN
= 18V
T
A
= 85癈
V
IN
= 5V
Load Regulation vs. Temperature FCM
Load Regulation vs. Temperature PSAVE
VDD = 5V, V
OUT
= 1.5V
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0
1
2
3
4
5
6
7
8
9 10
I
OUT
(A)
T
A
= -40癈
V
IN
= 12V
T
A
= 25癈
VIN= 5V
T
A
= 25癈
V
IN
= 12V
T
A
= -40癈
V
IN
= 5V
T
A
= 85癈
V
IN
= 12V
T
A
= 85癈
V
IN
= 5V
VDD = 3.3V, V
OUT
= 1.5V
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9 10
I
OUT
(A)
V
OUT
= 1V
V
OUT
= 5V
V
OUT
= 1.5V
V
OUT
= 2.5V
V
OUT
= 3.3V
Efficiency Variation with V
OUT
PSAVE
VDD = 5V, V
IN
= 12V, L = 2.2uH (4.6m &) for V
OUT
= 2.5V, 3.3V and 5V
VDD = 5V, V
OUT
= 1.5V
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0
1
2
3
4
5
6
7
8
9 10
I
OUT
(A)
T
A
= -40癈
V
IN
= 12V
T
A
= 25癈
V
IN
= 5V
T
A
= 25癈
V
IN
= 12V
T
A
= -40癈
V
IN
= 5V
T
A
= 85癈
V
IN
= 12V
T
A
= 85癈
V
IN
= 5V
Load Regulation vs. Temperature PSAVE
VDD = 5V, V
OUT
= 1.5V
Efficiency/Power Loss vs. Load PSAVE Mode
50
55
60
65
70
75
80
85
90
95
100
0.000
0.001
0.010
0.100
1.000
10.000
I
OUT
(A)
0.000
0.035
0.070
0.105
0.140
0.175
0.210
0.245
0.280
0.315
0.350
LDO minus External
External
Bias
LDO
Bias
VDD = 5V, V
IN
= 12V, V
OUT
= 1.5V
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0 1 2 3 4 5 6 7 8 9 10
I
OUT
(A)
T
A
= -40癈
VIN= 12V
TA = 25癈
V
IN
= 5V
T
A
= 25癈
V
IN
= 12V
T
A
= 25癈
V
IN
= 18V
T
A
= -40癈
V
IN
= 5V
T
A
= 85癈
V
IN
= 12V
T
A
= 85癈
VIN= 18V
T
A
= 85癈
V
IN
= 5V
T
A
= -40癈
V
IN
= 18V
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