参数资料
型号: SC632AULTRT
厂商: Semtech
文件页数: 3/15页
文件大小: 0K
描述: IC REG SWITCHED CAP 5V 8MLPD
标准包装: 1
类型: 切换式电容器(充电泵)
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 2.95 V ~ 5.5 V
频率 - 开关: 1MHz
电流 - 输出: 275mA
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: 8-UFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 8-MLPD(2x2)
其它名称: SC632AULDKR
SC632A
Absolute Maximum Ratings
IN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
OUT (V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
C +, C2+ (V) . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V OUT + 0.3)
Pin Voltage — All Other Pins (V) . . . . . . . . . -0.3 to (V IN + 0.3)
OUT pin — Short Circuit Duration . . . . . . . . . . Continuous
ESD Protection Level (2) (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Recommended Operating Conditions
Ambient Temperature Range (°C) . . . . . . . . -40 ≤ T A ≤ +85
IN (V) ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.95 ≤ V IN ≤ 5.5
Thermal Information
Thermal Resistance, Junction to Ambient ( ) (°C/W) . . . . 68
Maximum Junction Temperature (°C) . . . . . . . . . . . . . . + 50
Storage Temperature Range (°C) . . . . . . . . . . . . -65 to + 50
Peak IR Reflow Temperature ( 0s to 30s) (°C) . . . . . . . +260
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
( ) 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 JESD5  standards.
(2) Tested according to JEDEC standard JESD22-A  4-B.
Electrical Characteristics
Unless otherwise specified: T A = +25°C for Typ, -40°C to +85°C for Min and Max; C IN = C OUT = C   = C 2 = 2.2μF (E SR < 0.03?); V IN = 2.95V to 5.5V
Parameter
Output Voltage
Symbol
V OUT
Condition
V IN = 4.2V, I OUT =  mA
Min
4.85
Typ
5.0
Max
5. 5
Units
V
Output Voltage Ripple
Maximum Output Current
V PP
I OUT
I OUT = 275mA
Peak Load - thermally limited ( ) ,
T J < 50°C, 3.4V ≤ V IN ≤ 5.5V
Continuous Load,
3. 0V ≤ V IN ≤ 4.2V
400
275
50
mV
mA
mA
Shutdown Current
Total Quiescent Current
I SD
I Q
Shutdown (EN = GND), V IN = 3.6V
EN high, I OUT =  mA
0. 
2.5
2
3.5
μA
mA
Charge Pump Frequency
Start-Up Time
Line Regulation
Load Regulation
f PUMP
t SU
ΔV LINE
ΔV LOAD
V IN = 3.2V
(EN transitions from low to high),
4.85V ≤ V OUT ≤ 5. 5V, No load
I OUT =  mA, 2.95V ≤ V IN ≤ 4.2V
V IN =4.2V,  mA ≤ I OUT ≤ 400mA
 
400
37.5
MHz
μs
mV
mV
3
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