参数资料
| 型号： | SC412AMLTRT |
| 厂商： | Semtech |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 16-MLP |
| 标准包装： | 1 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 325kHz |
| 占空比： | 90% |
| 电源电压： | 3 V ~ 25 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-MLP |
| 包装： | 标准包装 |
| 其它名称： | SC412AMLDKR |
NOT RECOMMENDED FOR NEW DESIGN
SC412A
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the speci ? cations below may result in permanent damage to the device or device malfunction. Operation outside of the parameters
speci ? ed in the Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time
may affect device reliability.
Parameter
D H , B ST to G ND (DC)
D H , B ST to G ND (transient - 100nsec max)
D L to G ND (DC)
D L to G ND (transient - 100nsec max)
L X to G ND (DC)
L X to G ND (transient - 100nsec max)
B ST to L X
R TN to G ND
V CC to R TN
E N , F B , I LIM , P GOOD , V CC , V OUT to R TN
Symbol
Min
-0.3
-2.0
-0.3
-2.0
-0.3
-2.0
-0.3
-0.3
-0.3
-0.3
Max
+30
+33
+6.0
+6.0
+25
+28
+6.0
+0.3
+6.0
V CC + 0.3
Units
V
V
V
V
V
V
V
Operating Junction Temperature Range
Storage Temperature Range
T J
T STG
-40
-60
+125
+150
o
o
C
C
Thermal Resistance, Junction to Ambient
(1)
θ JA
45
o
C/Watt
Peak IR Re ? ow Temperature, 10-40 Second
T PKG
+260
o
C
ESD Rating (Human Body Model)
2
kV
Note:
(1) Calculated from package in still air, mounted 3” to 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Electrical Characteristics
Test Conditions: V BAT = 15V, V OUT = 1.5V, T A = 25 o C, 0.1% resistor dividers; V CC = 5.0V, unless otherwise noted.
25°C
-40° to 85°C
Parameter
Conditions
Units
Min
Typ
Max
Min
Max
Input Supplies
VBAT Input Voltage
3.0
25
V
VCC Shutdown Current
VCC Operating Current
EN = 0V
FB > REF
1
500
5
1000
μ A
μ A
Controller
FB On-Time Threshold
0.75
0.7425
0.7575
V
Regulation
Line Regulation Error
Load Regulation Error
? 2006 Semtech Corp.
Typical Application Circuit
Typical Application Circuit
2
0.04
0.3
%/V
%
www.semtech.com
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