参数资料
型号: MIC33153-4YHJ TR
厂商: Micrel Inc
文件页数: 3/17页
文件大小: 0K
描述: IC REG BUCK SYNC 1.2V 1.2A 14MLF
标准包装: 1
系列: HyperLight Load®
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.2V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 混合物
频率 - 开关: 4MHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-VFDFN 裸露焊盘,14-MLF?
包装: 标准包装
供应商设备封装: 14-MLF?(3x3.5)
其它名称: 576-3903-6
Micrel Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .......................................... ? 0.3V to 6V
Sense Voltage (V SNS ) ........................................ ? 0.3V to V IN
Output Switch Voltage (V SW ) ............................. ? 0.3V to V IN
Enable Input Voltage (V EN )................................ ? 0.3V to V IN
Power Good (PG) Voltage (V PG ) ....................... ? 0.3V to V IN
Storage Temperature Range .. …………… ? 65 ° C to +150 ° C
MIC33153
Operating Ratings (2)
Supply Voltage (V IN )... …………………………..2.7V to 5.5V
Enable Input Voltage (V EN ) .. ……………………….0V to V IN
Sense Voltage (V SNS ) ..................................... 0.62V to 3.6V
Junction Temperature Range (T J ).. …. ? 40 ° C ≤ T J ≤ +125 ° C
Thermal Resistance
3.0mm x 3.5mm MLF ? -14 ( θ JA )..........................55°C/W
Lead Temperature (soldering, 10 sec.)...................... 260 ° C
ESD Rating (3) ................................................. ESD Sensitive
Electrical Characteristics (4)
T A = 25°C; V IN = V EN = 3.6V; C OUT = 4.7μF unless otherwise specified. Bold values indicate –40°C ≤ T J ≤ +125°C, unless noted.
Parameter
Supply Voltage Range
Under-Voltage Lockout Threshold
Condition
(Turn-On)
Min.
2.7
2.45
Typ.
2.55
Max.
5.5
2.65
Units
V
V
Under-Voltage Lockout Hysteresis
75
mV
Quiescent Current
Shutdown Current
Output Voltage Accuracy
I OUT = 0mA , SNS > 1.2 * V OUT Nominal
V EN = 0V; V IN = 5.5V
V IN = 3.6V if V OUTNOM < 2.5V, I LOAD = 20mA
V IN = 4.5V if V OUTNOM ≥ 2.5V, I LOAD = 20mA
? 2.5
22
0.01
45
5
+2.5
μA
μA
%
Feedback Regulation Voltage
Current Limit
Output Voltage Line Regulation
Output Voltage Load Regulation
PWM Switch ON-Resistance
Maximum Switching Frequency
Soft Start Time
Soft Start Current
PG Threshold (Rising)
I LOAD = 20mA
SNS = 0.9*V OUTNOM
V IN = 3.6V to 5.5V if V OUTNOM < 2.5V, I LOAD = 20mA
V IN = 4.5V to 5.5V if V OUTNOM ≥ 2.5V, I LOAD = 20mA
1mA < I LOAD < 1A, V IN = 3.6V if V OUTNOM < 2.5V
1mA < I LOAD < 1A, V IN = 5.0V if V OUTNOM ≥ 2.5V
I SW = 100mA PMOS
I SW = ? 100mA NMOS
I OUT = 300mA
V OUT = 90%, C SS = 470pF
V SS = 0V
0.6045
2.2
86
0.62
3.3
0.3
0.8
0.85
0.2
0.19
4
320
2.7
92
0.6355
96
V
A
%/V
%/A
Ω
MHz
μs
μA
%
PG Threshold Hysteresis
7
%
PG Delay Time
Rising
68
μs
Enable Threshold
Enable Input Current
Turn-On
0.5
0.9
0.1
1.2
2
V
μA
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF.
4. Specification for packaged product only.
160
20
° C
° C
September 2010
3
M9999-092910-A
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