参数资料
型号: MIC2169YMM
厂商: Micrel Inc
文件页数: 3/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-MSOP
标准包装: 100
PWM 型: 电压模式
输出数: 1
频率 - 最大: 550kHz
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)
包装: 管件
产品目录页面: 1092 (CN2011-ZH PDF)
其它名称: 576-1710-5
MIC2169YMM-ND
MIC2169
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ................................................... 15.5V
Booststrapped Voltage (V BST ) .................................V IN +5V
Junction Temperature (T J ) .................. –40°C ≤ T J ≤ +125°C
Storage Temperature (T S ) ........................ –65°C to +150°C
Micrel
Operating Ratings (2)
Supply Voltage (V IN ) ..................................... +3V to +14.5V
Output Voltage Range .......................... 0.8V to V IN × D MAX
Package Thermal Resistance
θ JA 10-lead MSOP ............................................. 180°C/W
Electrical Characteristics (3)
T J = 25°C, V IN = 5V; bold values indicate –40°C < T J < +125°C; unless otherwise speci ? ed.
Parameter
Feedback Voltage Reference
Feedback Voltage Reference
Feedback Bias Current
Condition
(± 1%)
(± 2% over temp)
Min
0.792
0.784
Typ
0.8
0.8
30
Max
0.808
0.816
100
Units
V
V
nA
Output Voltage Line Regulation
Output Voltage Load Regulation
0.03
0.5
%/V
%
Output Voltage Total Regulation
3V ≤ V IN ≤ 14.5V; 1A ≤ I OUT ≤ 10A; (V OUT =
2.5V) (4)
0.6
%
Oscillator Section
Oscillator Frequency
Maximum Duty Cycle
450
92
500
550
kHz
%
Minimum
On-Time (4)
30
60
ns
Input and V DD Supply
PWM Mode Supply Current
V CS = V IN –0.25V; V FB = 0.7V (output switching but excluding
1.5
3
mA
external MOSFET gate current.)
Digital Supply Voltage (V DD )
V IN ≥ 6V
4.7
5
5.3
V
Error Ampli ? er
DC Gain
Transconductance
Soft-Start
70
1
dB
ms
Soft-Start Current
After timeout of internal timer. See “Soft-Start” section.
8.5
μ A
Current Sense
CS Over Current Trip Point
V CS = V IN –0.25V
160
200
240
μ A
Temperature Coef ? cient
ppm/°C
Output Fault Correction Thresholds
+1800
Upper Threshold, V FB_OVT
Lower Threshold, V FB_UVT
(relative to V FB )
(relative to V FB )
+3
–3
%
%
Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical speci ? cations 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. Devices are ESD sensitive, handling precautions required.
3. Speci ? cation for packaged product only.
4. Guaranteed by design.
March 2009
3
M9999-032409
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