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参数资料
| 型号： | MIC33050-SYHL TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 3.3V 0.6A 12MLF |
| 产品培训模块： | MIC23xxx HyperLight Load™ Regulators |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 4MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-VFDFN 裸露焊盘，12-MLF? |
| 包装： | 标准包装 |
| 供应商设备封装： | 12-MLF?（3x3） |
| 产品目录页面： | 1094 (CN2011-ZH PDF) |
| 其它名称： | 576-3353-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .........................................................6V
Output Switch Voltage (V SW ) ............................................6V
Output Switch Current (I SW )..............................................2A
Logic Input Voltage (V EN ) .................................. –0.3V to V IN
Storage Temperature Range (T s ).............. –65°C to +150°C
ESD Rating (3) ................................................. ESD Sensitive
MIC33050
Operating Ratings (2)
Supply Voltage (V IN )......................................... 2.7V to 5.5V
Logic Input Voltage (V EN )…………………………-0.3V to V IN
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Thermal Resistance
3mm x 3mm MLF ? -12 ( ? JA )................................60°C/W
Electrical Characteristics (4)
T A = 25°C with V IN = V EN = 3.6V; C FF = 560pF; C OUT = 4.7μF; I OUT = 20mA unless otherwise specified.
Bold values indicate –40°C< T J < +125°C.
Parameter
Supply Voltage Range
Undervoltage Lockout Threshold
Condition
(turn-on)
Min.
2.7
2.45
Typ.
2.55
Max.
5.5
2.65
Units
V
V
UVLO Hysteresis
100
mV
Quiescent Current, Hyper LL mode
Shutdown Current
Output Voltage Accuracy
I OUT = 0mA ; V SNS > 1.2*V OUT nominal
V IN = 5.5V; V EN = 0V
V IN = 3.0V; I LOAD = 20mA
–2.5
20
0.01
32
4
+2.5
μA
μA
%
Current Limit in PWM Mode
Output Voltage Line Regulation
Output Voltage Load Regulation
Feedback Voltage
Maximum Duty Cycle
PWM Switch ON-Resistance
Frequency
Soft-Start Time
Enable Threshold
SNS = 0.9*V NOM
V IN = 3.0V to 5.5V; I LOAD = 20mA
20mA < I LOAD < 500mA,
V IN = 3.0V; I OUT = 20mA
SNS ? V NOM
I SW = 100mA PMOS
I SW = -100mA NMOS
I LOAD = 120mA
V OUT = 90%
(turn-on)
0.65
390
80
0.5
1
0.5
0.3
400
89
0.45
0.5
4
650
0.8
1.7
410
1.2
A
%/V
%
mV
%
?
MHz
μs
V
Enable Hysteresis
35
mV
Enable Input Current
Over-temperature Shutdown
Over-temperature Shutdown
Hysteresis
0.1
165
20
2
μA
? C
? C
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.
May 2012
3
M9999-050312-C
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