参数资料
型号: MIC23155-GYMT TR
厂商: Micrel Inc
文件页数: 3/19页
文件大小: 0K
描述: IC REG BUCK SYNC 1.8V 2A 10TMLF
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: 1.8V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 混合物
频率 - 开关: 3MHz
电流 - 输出: 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: 10-UFDFN 裸露焊盘,10-TMLF?
包装: 标准包装
供应商设备封装: 10-TMLF?(2.5x2.5)
其它名称: 576-3970-6

ESD Rating ................................................. ESD Sensitive
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 Voltage (V PG ) ................................ ? 0.3V to V IN
Storage Temperature Range .. …………… ? 65 ° C to +150 ° C
Lead temperature (soldering, 10 sec.) ....................... 260 ° C
(3)
MIC23155
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 ) .......................................... 0.7V to V IN
Junction Temperature Range (T J ).. …. ? 40 ° C ≤ T J ≤ +125 ° C
Thermal Resistance
2.5mm x 2.5mm Thin DFN-10 ( θ JA ) ................... 90 ° C/W
2.5mm x 2.5mm Thin DFN-10 ( θ JC ) ................... 63 ° C/W
Electrical Characteristics (4)
T A = 25°C; V IN = V EN = 3.6V; L = 1.0μH; C OUT = 4.7μF unless otherwise specified. Bold values indicate –40°C ≤ T J ≤ +125°C, unless
otherwise noted.
Parameter
Supply Voltage Range
Undervoltage Lockout Threshold
Condition
Rising
Min.
2.7
2.45
Typ.
2.55
Max.
5.5
2.65
Units
V
V
Undervoltage Lockout Hysteresis
75
mV
Quiescent Current
Shutdown Current
Output Voltage Accuracy (Fixed)
I OUT = 0mA , SNS > 1.2 * V OUTNOM
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 ≥ 2.5 V, I LOAD = 20mA
? 2.5
22
0.01
45
5
+2.5
μA
μA
%
Feedback Regulation Voltage
Feedback Bias Current
Current Limit
Output Voltage Line Regulation
Output Voltage Load Regulation
PWM Switch R DSON
Switching Frequency
Soft Start Time
Soft Start Current
Power Good Threshold (Rising)
I LOAD = 20mA
I FB
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 ≥ 2.5 V, I LOAD = 20mA
20mA < I LOAD < 500mA, V IN = 3.6V if V OUTNOM < 2.5V
20mA < I LOAD < 500mA, V IN = 5.0V if V OUTNOM ≥ 2.5 V
20mA < I LOAD < 1A, V IN = 3.6V if V OUTNOM < 2.5V
20mA < I LOAD < 1A, V IN = 5.0V if V OUTNOM ≥ 2.5 V
I SW = 100mA PMOS
I SW = -100mA NMOS
I OUT = 180mA
V OUT = 90%, C SS = 470pF
V SS = 0V
0.6045
2.2
85
0.62
1
3.3
0.3
0.3
0.7
0.20
0.19
3
320
2.7
91
0.6355
95
V
nA
A
%/V
%
%
?
MHz
μs
μA
%
Power Good Threshold Hysteresis
7
%
Power Good Delay Time
Power Good Pull-Down
Resistance
Rising
68
165
μs
?
Notes:
1.
2.
3.
4.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
Specification for packaged product only.
November 2012
3
M9999-110812-A
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