参数资料
型号: MIC2295BML TR
厂商: Micrel Inc
文件页数: 3/12页
文件大小: 0K
描述: IC REG BOOST ADJ 1.2A 8MLF
标准包装: 5,000
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 最高 34V
输入电压: 2.5 V ~ 10 V
PWM 型: 电流模式
频率 - 开关: 1.2MHz
电流 - 输出: 1.2A
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: 8-VFDFN 裸露焊盘,8-MLF?
包装: 带卷 (TR)
供应商设备封装: 8-MLF?(2x2)
其它名称: MIC2295BMLTR
MIC2295BMLTR-ND
Micrel, Inc.
Absolute Maximum Rating (1)
Supply voltage (V IN )........................................................12V
Switch voltage (V SW ) ........................................ -0.3V to 34V
Enable pin voltage (V EN )....................................... -0.3 to V IN
FB Voltage (V FB )...............................................................6V
Switch Current (I SW ) ......................................................2.5A
Ambient Storage Temperature (T S )............-65 ° C to +150 ° C
ESD Rating (3) ................................................................. 2KV
MIC2295
Operating Range (2)
Supply Voltage (V IN ).......................................... 2.5V to 10V
Junction Temperature Range (T J )..............-40 ° C to +125 ° C
Package Thermal Impedance
θ JA 2x2 MLF-8 lead ............................................93 ° C/W
θ JA Thin SOT-23-5 lead ...................................256 ° C/W
Electrical Characteristics
T A =25 o C, V IN =V EN = 3.6V, V OUT = 15V, I OUT = 40mA , unless otherwise noted. Bold values indicate -40 ° C ≤ T J ≤ 125 ° C.
Symbol
V IN
Parameter
Supply Voltage Range
Condition
Min
2.5
Typ
Max
10
Units
V
V UVLO
I VIN
Under-Voltage Lockout
Quiescent Current
V FB = 2V (not switching)
1.8
2.1
2.8
2.4
5
V
mA
I SD
Shutdown Current
V EN = 0V
(4)
0.1
1
μA
V FB
I FB
Feedback Voltage
Feedback Input Current
Line Regulation
(+/-1%)
(+/-2%) (Over Temp)
V FB = 1.24V
3V ≤ V IN ≤ 5V
1.227
1.215
1.24
-450
0.04
1.252
1.265
1
V
nA
%
Load Regulation
5mA ≤ I OUT ≤ 40mA
1.5
%
D MAX
Maximum Duty Cycle
85
90
%
I SW
V SW
Switch Current Limit
Switch Saturation Voltage
Note 5
I SW = 1.2A
1.2
1.7
600
A
mV
I SW
V EN
I EN
Switch Leakage Current
Enable Threshold
Enable Pin Current
V EN = 0V, V SW = 10V
TURN ON
TURN OFF
V EN = 10V
1.5
0.01
20
5
0.4
40
μA
V
μ A
f SW
Oscillator Frequency
1.05
1.2
1.35
MHz
V OVP
Output over-voltage protection
MIC2295BML only
30
32
34
V
T J
Over-Temperature Threshold
150
° C
Shutdown
Hysteresis
10
° C
Notes:
1.
2.
3.
4.
5.
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when
operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction
temperature, T J(Max) , the junction-to-ambient thermal resistance, θ JA , and the ambient temperature, T A . The maximum allowable power
dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
This device is not guaranteed to operate beyond its specified operating rating.
IC devices are inherently ESD sensitive. Handling precautions required. Human body model rating: 1.5K in series with 100pF.
I SD = I VIN .
Guaranteed by design.
April 2005
3
M9999-042605
(408) 955-1690
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