参数资料
型号: MIC2176-2YMM
厂商: Micrel Inc
文件页数: 4/31页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 10-MSOP
标准包装: 100
系列: Hyper Speed Control™
PWM 型: 混合物
输出数: 1
频率 - 最大: 250kHz
占空比: 93%
电源电压: 4.5 V ~ 75 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
其它名称: 576-3757-5
Micrel, Inc.
Absolute Maximum Ratings (1, 2)
V HSD to PGND................................................ ? 0.3V to +76V
V DD to PGND ................................................... ? 0.3V to +6V
V SW to PGND...................................... ? 0.3V to (V HSD +0.3V)
V BST to V SW ........................................................ ? 0.3V to 6V
V BST to PGND .................................................. ? 0.3V to 82V
V EN to PGND ...................................... ? 0.3V to (V DD + 0.3V)
V FB to PGND....................................... ? 0.3V to (V DD + 0.3V)
PGND to GND .............................................. ? 0.3V to +0.3V
Junction Temperature .............................................. +150°C
Storage Temperature (T S )......................... ? 65 ° C to +150 ° C
Lead Temperature (soldering, 10sec)........................ 260°C
MIC2176
Operating Ratings (3)
Supply Voltage (V HSD ) ....................................... 4.5V to 75V
Bias Voltage (V DD )............................................ 4.5V to 5.5V
Enable Input (V EN ) ................................................. 0V to V DD
Junction Temperature (T J ) ........................ ? 40 ° C to +125 ° C
Junction Thermal Resistance
MSOP ( θ JA ) ..................................................130.5°C/W
Continuous Power Dissipation
(derate 5.6mW/°C above 70°C)
(T A = 70°C) ........................................................421mW
ESD (Human Body Mode) .......................................... 1.5kV
Electrical Characteristics (4)
V IN = V HSD = 48V, V DD = 5V; V BST – V SW = 5V; T A = 25°C, unless noted. Bold values indicate ? 40°C ≤ T J ≤ +125°C.
Parameter
Condition
Min.
Typ.
Max.
Units
Power Supply Input
HSD Voltage Range (V HSD ) (5)
4.5
75
V
V DD Bias Voltage
Operating Bias Voltage (V DD )
4.5
5
5.5
V
Undervoltage Lockout Trip Level
V DD Rising
3.2
3.85
4.45
V
UVLO Hysteresis
370
mV
Quiescent Supply Current
Shutdown Supply Current
V FB = 1.5V
SW = unconnected, V EN = 0V
1.4
0.7
3
2
mA
mA
Reference
Feedback Reference Voltage
FB Bias Current
0°C ≤ T J ≤ 85°C (±1.0%)
-40°C ≤ T J ≤ 125°C (±1.5%)
V FB = 0.8V
0.792
0.788
0.8
0.8
5
0.808
0.812
500
V
nA
Enable Control
EN Logic Level High
4.5V < V DD < 5.5V
1.2
0.85
V
EN Logic Level Low
EN Bias Current
4.5V < V DD < 5.5V
V EN = 0V
0.78
50
0.4
100
V
μA
Oscillator
MIC2176-1
75
100
125
Switching Frequency (6)
MIC2176-2
MIC2176-3
150
225
200
300
250
375
kHz
MIC2176-1, V FB = 0V, HSD=4V, V O = 3.3V
96
Maximum Duty Cycle (7)
Minimum Duty Cycle
MIC2176-2, V FB = 0V, HSD=4V, V O = 3.3V
MIC2176-3, V FB = 0V, HSD=4V, V O = 3.3V
V FB > 0.8V
93
89
0
%
%
Minimum Off-Time
Minimum On-Time
November 2010
4
360
60
ns
ns
M9999-111710-A
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