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參數(shù)資料
| 型號(hào)： | SC402BMLTRT |
| 廠商： | Semtech |
| 文件頁數(shù)： | 11/32頁 |
| 文件大小： | 1425K |
| 描述： | IC REG DL BCK/LINEAR SYNC 32MLPQ |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | EcoSpeed®, SmartDrive™ |
| 拓?fù)洌?/td> | 降壓（降壓）同步（1），線性（LDO）（1） |
| 功能： | 任何功能 |
| 輸出數(shù)： | 2 |
| 頻率 - 開關(guān)： | 1MHz |
| 電壓/電流 - 輸出 1： | 可調(diào)至 0.6V，10A |
| 電壓/電流 - 輸出 2： | 可調(diào)至 0.75V，200mA |
| 帶 LED 驅(qū)動(dòng)器： | 無 |
| 帶監(jiān)控器： | 無 |
| 帶序列發(fā)生器： | 是 |
| 電源電壓： | 3 V ~ 28 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-MLPQ（5x5） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 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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