参数资料
型号: MIC2230-GSYML TR
厂商: Micrel Inc
文件页数: 4/18页
文件大小: 0K
描述: IC REG BUCK SYNC 0.8A DL 12MLF
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 2
输出电压: 1.8V,3.3V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 2.5MHz
电流 - 输出: 800mA
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: 1092 (CN2011-ZH PDF)
其它名称: 576-3276-6
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .......................................................+6V
Enable 1 Voltage ………………………………………... +6V
Enable 2 Voltage ……………………………………….. +6V
Logic Input Voltage (V EN , V FPWM )............................ 0V to V IN
Storage Temperature (T S ) ........................ –65 ° C to +150 ° C
ESD .............................................................................. 2KV
MIC2230
Operating Ratings (2)
Supply Voltage (V IN ) ........................................ 2.5V to 5.5V
Junction Temperature (T J ) ........................ –40 ° C to +125 ° C
Package Thermal Resistance ( θ JA ) ..........................60 ° C/W
Electrical Characteristics (4)
T A = 25°C with V IN = V EN1 = V EN2 =3.6V, V OUT1 , V OUT2 , L= 2.2μH, C = 10μF, unless otherwise specified. Bold values indicate –40oC ≤ T J
≤ +125oC.
Parameter
Condition
Min
Typ
Max
Units
Supply Voltage and Current
Supply Voltage Range
2.5
5.5
V
UVLO (rising)
UVLO Hysteresis
PWM Mode Supply
Current
Trickle Mode TM Supply
Current
Shutdown Quiescent
Current
/FPWM = Low; V OUT1 , V OUT2 = 1.03 * V NOM (not switching)
/FPWM = High; V OUT1 , V OUT2 = 1.03 * V NOM (not switching)
V EN = 0V
2.3
2.4
100
560
28
0.1
2.5
950
50
1
V
mV
μA
μA
μA
Output Voltage Accuracy
Feedback voltage, V FB
Output voltage, V OUT
Adjustable
Fixed Output Options
0.780
-2.5
0.8
0.820
+2.5
V
%
Feedback bias current
10
nA
Output Voltage Line
Regulation
Output Voltage Load
Regulation
Ripple in Trickle Mode TM
2.5V ≤ V IN ≤ 5.5V
V IN = 5V, I OUT = 10mA to 800mA, /FPWM = 0V
V IN = 3V; I OUT = 10mA to 800mA, /FPWM = 0V
V IN =3.6V; I OUT = 1mA; C OUT = 10μF, L = 2.2μH.
0.1
0.5
40
0.5
%
%
mV
Logic Inputs
EN Input Threshold
On
Off
0.3
0.8
0.7
1.2
V
V
EN Input Current
/FPWM Input Threshold
/FPWM Input Current
On
Off
0.3×V IN
0.01
0.01
1
0.6×V IN
1
μA
V
V
μA
April 2010
4
M9999-040810-C
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