参数资料
型号: MIC4723YML TR
厂商: Micrel Inc
文件页数: 3/20页
文件大小: 0K
描述: IC REG BUCK ADJ 3A 12MLF
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 1V
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 2MHz
电流 - 输出: 3A
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: 12-VFDFN 裸露焊盘,12-MLF?
包装: 标准包装
供应商设备封装: 12-MLF?(4x4)
产品目录页面: 1093 (CN2011-ZH PDF)
其它名称: 576-1656-6
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .......................................................+6V
Output Switch Voltage (V SW ) ..........................................+6V
Output Switch Current (I SW )............................................11A
Logic Input Voltage (V EN ) .................................. –0.3V to V IN
Storage Temperature (T s ) ......................... –60°C to +150°C
MIC4723
Operating Ratings (2)
Supply Voltage (V IN )..................................... +2.7V to +5.5V
Logic Input Voltage (V EN ) ....................................... 0V to V IN
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
3mm x 3mm MLF-12 ( θ JA ) .................................60°C/W
3mm x 3mm MLF-12 ( θ Jc ) .................................28°C/W
ePAD MSOP-10 ( θ JA ) ........................................76°C/W
ePAD MSOP-10 ( θ Jc ) ........................................28°C/W
Electrical Characteristics (4)
V IN = V EN = 3.6V; L = 1μH; C OUT = 4.7μF; T A = 25°C, unless noted. Bold values indicate –40°C< T J < +125°C.
Parameter
Supply Voltage Range
Under-Voltage Lockout
Condition
(turn-on)
MIC4723YML
MIC4723YMME
Min
2.7
3.0
2.45
Typ
2.55
Max
5.5
5.5
2.65
Units
V
V
V
Threshold
UVLO Hysteresis
100
mV
Quiescent Current
Shutdown Current
[Adjustable] Feedback
V FB = 0.9 * V NOM (not switching)
V EN = 0V
± 2% (over temperature) I LOAD = 100mA
0.98
570
2
900
10
1.02
μA
μA
V
Voltage
FB pin input current
1
nA
Current Limit in PWM Mode
Output Voltage Line
Regulation
Output Voltage Load
V FB = 0.9 * V NOM
V OUT > 2V; V IN = V OUT +500mV to 5.5V; I LOAD = 100mA
V OUT < 2V; V IN = 2.7V to 5.5V; I LOAD = 100mA
20mA < I LOAD < 3A
3.5
5
0.07
0.2
A
%
%
%
Regulation
Maximum Duty Cycle
V FB ≤ 0.4V
100
%
PWM Switch ON-
Resistance
Oscillator Frequency
Enable Threshold
Enable Hysteresis
Enable Input Current
Power Good Range
Power Good Resistance
Over-Temperature
I SW = 50mA; V FB = GND (High Side Switch)
I PGOOD = 500μA
1.8
0.5
95
2
0.85
50
0.1
±7
150
160
200
300
2.2
1.3
2.3
±10
250
m ?
m ?
MHz
V
mV
μA
%
?
° C
Shutdown
Over-Temperature
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. Specification for packaged product only.
June 2008
3
25
° C
M9999-060308-E
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