参数资料
型号: MIC2159YMME
厂商: Micrel Inc
文件页数: 3/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-MSOP
标准包装: 100
系列: SYNCHRONOUS-itty™
PWM 型: 电压模式
输出数: 1
频率 - 最大: 450kHz
占空比: 92%
电源电压: 3 V ~ 14.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 管件
产品目录页面: 1092 (CN2011-ZH PDF)
其它名称: 576-1588
Micrel, Inc.
Absolute Maximum Rating (1)
Supply Voltage (V IN ) ....................................................15.5V
Booststrapped Voltage (V BST ) .................................. V IN +5V
Junction Temperature Range.............. –40 ° C ≤ T J ≤ +125 ° C
Ambient Storage Temp ............................. –65 ° C to +150 ° C
MIC2159
Operating Ratings (2)
Supply Voltage........................................... +3V to +14.5V
Output Voltage Range ............................ 0.8V to V IN* D MAX
Package Thermal Resistance
θ JA 10-lead ePAD MSOP................................63 ° C/W
Electrical Characteristics
Tj = 25oC, bold values indicate -40oC<Tj<+125oC; Vin = 5V; unless otherwise specified
Parameter
Condition
Min
Typ
Max
Units
Regulation
Feedback Voltage
(+/- 1%)
0.792
0.8
0.808
V
Reference
Feedback Voltage
(+/- 2% over temp)
0.784
0.8
0.816
V
Reference
Feedback Bias Current
Output Voltage Line
150
0.03
350
nA
%/V
Regulation
Output Voltage Load
Regulation
0.5
%
Output Voltage Total
3V ≤ VIN ≤ 14.5V; 1A ≤ IOUT ≤ 10A
0.6
1.5
%
Regulation
Oscillator Section
(VOUT = 2.5V) Note 3
Oscillator Frequency
Maximum Duty Cycle
Minimum On-Time
Note 3
350
92
400
30
450
60
kHz
%
ns
Input and VDD Supply
PWM mode supply
current
Shutdown Quiescent
Current (MSOP-10)
V COMP Shutdown
Threshold (MSOP-10)
V CS/EN =Vin- 0.25V; V FB = 0.7V
(output switching but excluding external MOSFET gate
current.)
V COMP = 0V
0.1
1.6
50
0.25
3
150
0.35
mA
μA
V
V COMP Shutdown
Blanking Period (MSOP-
1
4
8
ms
10)
Digital Supply Voltage
V IN >6V
4.7
5
5.3
V
(V DD )
Error Amplifier
DC Gain
Transconductance
Soft Start
70
1.4
dB
mS
Soft Start Current
After time out of internal timer
-13
9
-4
μA
Current Sense
Current Sense Over
135
200
275
μA
Current Trip Point
Temperature Coefficient
March 2009
3
2300
ppm/°C
M9999-030509-B
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