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参数资料
| 型号： | MIC2605YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.5A 8MLF |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 40V |
| 输入电压： | 4.5 V ~ 20 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 无 |
| 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： | 1093 (CN2011-ZH PDF) |
| 其它名称： | 576-3258-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .......................................................22V
Switch Voltage (V SW )....................................... –0.3V to 40V
Enable Voltage (V EN )......................................... –0.3V to V IN
FB Voltage (V FB )............................................................. V DD
Ambient Storage Temperature (T s ) ........... –65°C to +150°C
Lead Temperature (soldering 10sec)......................... 260°C
ESD Rating (3) (MIC2605)................................................ 2kV
ESD Rating (3) (MIC2606)............................................. 1.5kV
MIC2605/6
Operating Ratings (2)
Supply Voltage (V IN ).......................................... 4.5V to 20V
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
2mm x 2mm MLF-8 ( θ JA ) ...................................90°C/W
2mm x 2mm MLF-8 ( θ JC ) ...................................45°C/W
Electrical Characteristics (4)
T A = 25°C, V IN = V EN = 12V; unless otherwise noted. Bold values indicate –40°C ≤ T J ≤ +125°C.
Symbol
Parameter
Condition
Min
Typ
Max
Units
V IN
V DD
Input Voltage Range
Internal Regulated Voltage
Note 5
4.5
5.8
20
V
V
V ULVO
I Q
I SD
V FB
Under-voltage Lockout
Quiescent Current
Shutdown Current
Feedback Voltage
For V DD
V FB = 2V (not switching)
V EN = 0V, Note 6
(±2%)
1.8
1.225
2.1
4.2
0.1
1.25
2.4
6
10
1.275
V
mA
μA
V
(±3%) (over temperature)
1.212
1.288
V
I FB
Feedback Input Current
V FB = 1.25V
–550
nA
Line Regulation
Load Regulation
8V ≤ V IN ≤ 14V, V OUT = 18V
5mA ≤ I OUT ≤ 40mA, V OUT = 18V, Note 7
0.04
1
1.5
%
%
D MAX
Maximum Duty Cycle
MIC2605
MIC2606
85
80
%
%
I SW
V SW
Switch Current Limit
Switch Saturation Voltage
Note 7
I SW = 0.5A
0.5
0.8
600
A
mV
I SW
V EN
I EN
Switch Leakage Current
Enable Threshold
Enable Pin Current
V EN = 0V, V SW = 18V
Turn ON
Turn OFF
V EN = 12V
1.5
0.01
20
5
0.3
40
μA
V
V
μA
f SW
V D
I RD
Oscillator Frequency (MIC2605)
Oscillator Frequency (MIC2606)
Schottky Forward Drop
Schottky Leakage Current
ID = 1mA
ID = 150mA
V R = 30V
1.02
1.7
1.2
2
450
850
0.1
1.38
2.3
4
MHz
MHz
mV
mV
μA
V OVP
T J
Output Over-voltage Protection
Over-temperature Threshold
Shutdown
15% Over programmed V OUT
Hysteresis
10
15
150
10
20
%
°C
°C
Notes:
1. 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.
2. The device is not guaranteed to function outside its operating rating.
3. IC devices are inherently ESD sensitive. Handling precautions required. Human body model rating: 1.5k in series with 100pF.
4. Specification for packaged product only.
5. Connect V DD pin to V IN pin when V IN ≤ 7V.
6. I SD = I VIN .
September 2009
3
M9999-090909-B
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