参数资料
| 型号： | SC122ULTRT |
| 厂商： | Semtech |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC 3.3V 95MA 6MLPD |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 0.7 V ~ 1.6 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 95mA |
| 同步整流器： | 是 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-MLPD-UT |
| 包装： | 标准包装 |
| 供应商设备封装： | 6-MLPD-UT（1.5x2.0） |
| 其它名称： | SC122ULTRTDKR |
SC122
ESD Protection Level (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Absolute Maximum Ratings
IN, OUT, LX (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
EN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V IN + 0.3)
(1)
Recommended Operating Conditions
Ambient Temperature Range (°C) . . . . . . . . . . . . . . 0 to +70
V IN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7 to 1.6
V OUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3
Thermal Information
Thermal Resistance Junction-Ambient (2) (°C/W) . . . . . . . 84
Maximum Junction Temperature (°C) . . . . . . . . . . . . . . . 150
Storage Temperature Range (°C) . . . . . . . . . . . -65 to +150
Peak IR Reflow Temperature (10s 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:
(1) Tested according to JEDEC standard JESD22-A114.
(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 otherwise noted V IN = 1.2V, C IN = C OUT = 22μF, L 1 = 4.7μH, T A = 0 to +70°C. Typical values are at T A = 25°C.
Parameter
Input Voltage Range
Symbol
V IN
Conditions
Min
0.7
Typ
Max
1.6
Units
V
Output Voltage
V OUT
3.3
V
Output Accuracy
Minimum Startup Voltage
Operating Supply Current (1)
Disabled OUT Leakage Current
Disabled IN Quiescent Current
Shutdown Current
Internal Oscillator Frequency
Startup Time
Minimum V IN for Restart (2)
P-Channel ON Resistance
N-Channel ON Resistance
P-Channel Startup Current Limit
V OUT-tol
V IN-SU
I OUT-Q
I OUT-DIS
I IN-DIS
I IN-SHDN
f OSC
t SU
V IN-Restart
R DS(ON)P
R DS(ON)N
I LIM(P)-SU
V EN = V IN
I OUT < 1mA
V EN = V IN , I OUT = 0mA, V OUT = 3.3V
V EN = 0, V OUT = 3.3V (externally forced)
V EN = 0, V IN = 1.6, V OUT = 3.3V (externally forced)
V EN = 0V, V IN = 1.6V, V OUT = 0V
while bursting
From V EN low-to-high transition
Lowest V IN to ensure re-enable within 300μs,
V OUT = 3.1V (externally forced)
I LX = 50mA
I LX = 50mA, V IN =1.6V
V IN = 1.2V, V EN > V IH
-3
0.85
40
2
4
8.5
1.2
1
0.6
0.5
100
3
1.0
%
V
μA
μA
μA
μA
MHz
ms
V
Ω
Ω
mA
3
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