参数资料
型号: MIC23051-CGYML TR
厂商: Micrel Inc
文件页数: 3/13页
文件大小: 0K
描述: IC REG BUCK SYNC 1V/1.8V 8MLF
产品培训模块: MIC23xxx HyperLight Load™ Regulators
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: 1V,1.8V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 混合物
频率 - 开关: 4MHz
电流 - 输出: 600mA
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: 8-VFDFN 裸露焊盘,8-MLF?
包装: 标准包装
供应商设备封装: 8-MLF?(2x2)
产品目录页面: 1094 (CN2011-ZH PDF)
其它名称: 576-3015-6
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 , V LQ )........................... V IN to –0.3V
Storage Temperature Range (T s ).............. –65°C to +150°C
ESD Rating (3) .................................................................. 3kV
MIC23051
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
2x2 MLF-8 ( θ JA ) .................................................90°C/W
Electrical Characteristics (4)
T A = 25°C with V IN = V EN = V SC = 3.6V; L = 1μH; 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
Under-Voltage 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
SNS pin input current
I OUT = 0mA , SNS > 1.8V
V IN = 5.5V; V EN = 0V;
VSC High, V IN = 3.0V, I LOAD = 20mA
VSC Low, V IN = 3.0V, I LOAD = 20mA
V OUT = 1V
-2.5
-2.5
20
0.01
1
35
4
+2.5
+2.5
μA
μA
%
%
%
%
μA
Current Limit in PWM Mode
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Line Regulation
Output Voltage Load Regulation
Maximum Duty Cycle
SNS = 0.9*V NOM
V IN = 3.0V to 5.5V, I LOAD = 20mA, V SC = 3.6V
20mA < I LOAD < 500mA, V SC = 3.6V
V IN = 3.0V to 5.5V, I LOAD = 20mA, V SC = 0V
20mA < I LOAD < 500mA, V SC = 0V
SNS ≤ V NOM, V OUT = 1.8V
0.65
80
1
0.5
0.3
0.5
0.3
89
1.7
A
%
%
%
%
%
PWM Switch ON-Resistance**
See Design Note
Frequency
SoftStart Time
VSC threshold voltage
VSC hysteresis
Output transition time
I SW = 100mA PMOS
I SW = -100mA NMOS
V SC = 3.6V, I LOAD = 120mA
V SC = 0V, I LOAD = 120mA
V OUT = 90%
VSC from low to high
VSC from high to low
0.5
0.45
0.5
4
4
650
20
800
800
1.2
?
?
MHz
MHz
μs
V
mV
μs
Enable Threshold
Enable Hysteresis
Enable Input Current
Over-temperature Shutdown
Over-temperature Shutdown
Hysteresis
(turn-on)
0.5
35
0.1
165
20
1.2
2
V
mV
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.
July 2009
3
M9999—070809-F
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