参数资料
型号: SC4620MLTRT
厂商: Semtech
文件页数: 3/19页
文件大小: 0K
描述: IC REG BUCK ADJ 2.5A 20MLPQ
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.5 V ~ 5.5 V
输入电压: 2.3 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2MHz
电流 - 输出: 2.5A
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: 20-MLPQ
包装: 标准包装
供应商设备封装: 20-MLPQ(4x4)
其它名称: SC4620MLDKR
SC4620
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the
Electrical Characteristics section is not implied.
Parameter
Supply Voltage
PVIN to VCC
FB, COMP, ISET, SYNC/EN, FS, SS, PGOOD to AGND
PGND to AGND
PHASE Voltage to PGND
PHASE Pulse Voltage to PGND Tpulse < 50ns
Storage Temperature Range
Junction Temperature
IR Reflow Temperature
ESD Protection Level (1)
Symbol
PV IN , V CC
V PHASE
V PHASE
T STG
T J
T P
V ESD
Maximum
-0.3 to 6
+/- 0.3
-0.3 to VCC+ 0.3
+/- 0.3
-0.3 to PVIN+ 0.3
-3 to PVIN+ 2
-40 to 150
150
260
2
Units
V
V
V
V
V
V
°C
°C
°C
kV
Note:
1) Tested in accordance to JEDEC standard JESD22-A114B.
Recommended Operating Conditions
The Performance is not guarantied if exceedi ng the specifications below.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Power Supply
Input Voltage Operating Range
Ambient Temperature Range
Junction Temperature
Max. Output Current
V IN
T A
T J
I OUTMAX
2.3
-40
-40
0
5.5
85
125
2.5
V
°C
°C
A
Electrical Characteristics
Unless otherwise specified, V IN = V CC =SYNC/EN=3.3V, R OSC =51.1K ?, R ISET =27.4K ?, T A = -40°C to 85°C
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Power Supply
Start Threshold Voltage, UVLO
Hysteresis Voltage, UVLO
Supply Current, Shutdown
Supply Current, Operating
V IUV
V IUVHY
I SD
I Qswitching
I QL
V IN Rising
V SYNC = 0V
FB = COMP, No Load
FB = 0.6V, No Load
2
120
0.2
7
3.5
2.25
1
10
7
V
mV
μA
mA
mA
? 2008 Semtech Corp.
3
www.semtech.com
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