参数资料
型号: SC410MLTRT
厂商: Semtech
文件页数: 3/26页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 10MLPD
标准包装: 1
系列: EcoSpeed®
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.75 V ~ 7.5 V
输入电压: 5.5 V ~ 24 V
频率 - 开关: 200kHz ~ 1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-VFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 10-MLPD(3x3)
其它名称: SC410MLDKR
SC410
Absolute Maximum Ratings
LX to GND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +28
VIN to PGND, EN to AGND (V) . . . . . . . . . . . . . . . . . -0.3 to +28
VIN to LDO (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0 . 3
BST to LX (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
BST to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +34
LDO to AGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
FB, PGOOD, TON (V) . . . . . . . . . . . . . . . . . . . . -0.3 to LDO +0.3
AGND to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +0.3
Maximum Peak Inductor Current (A) . . . . . . . . . . . . . . . . . 5 . 5
Recommended Operating Conditions
Supply Input Voltage (V) . . . . . . . . . . . . . . . . . . . . . . . 5.5 to 24
Maximum Continuous Output Current (A) . . . . . . . . . . . . . 3
Maximum Peak Inductor Current (A) . . . . . . . . . . . . . . . . . 5.0
Thermal Information
Storage Temperature (°C ) . . . . . . . . . . . . . . . . . . -60 to +150
Maximum Junction Temperature (°C ) . . . . . . . . . . . . . . . . 150
Operating Junction Temperature (°C ) . . . . . . . -40 to +125
Thermal Resistance, Junction to Ambient (2) (°C/W ) . . . . 40
Peak IR Reflow Temperature (°C ) . . . . . . . . . . . . . . . . . . . . . 260
ESD Protection Level (kV) (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not recommended.
NOTES:
(1) Tested according to JEDEC standard JESD22-A114-B.
(2) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Electrical Characteristics
Unless specified: V IN =12V, T A =+25°C for Typ, -40°C to +85°C for Min and Max, T J < 125°C, per detailed application circuit
Parameter
Conditions
Min
Typ
Max
Units
Input Supplies
VIN UVLO Threshold
VIN UVLO Hysteresis
Internal Bias UVLO Threshold
Internal Bias UVLO Hysteresis
VIN Supply Current
Programmable with EN pin after 2 switching
cycles
Rising UVLO V TH
V EN = 0V
I OUT = 0A, f SW =25kHz (1)
1.5
50
4
0.3
9
2.5
V
mV
V
V
μA
mA
Controller
FB On-Time Threshold
0.7425
0.75
0.7575
V
Frequency Programming Range
Minimum Frequency
FB Input Bias Current
See R TON Calculation
during Ultrasonic PSAVE
FB=5V or 0V
200
-1
22
1000
+1
kHz
kHz
μA
3
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