參數(shù)資料
型號(hào)： SC402BMLTRT
廠商： Semtech
文件頁(yè)數(shù)： 11/32頁(yè)
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(kāi)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(wú)
帶監(jiān)控器： 無(wú)
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(pán)
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
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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