参数资料
型号: MIC2124YMM
厂商: Micrel Inc
文件页数: 3/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 10-MSOP
产品培训模块: MIC2124 Synchronous Current Mode DC-DC Buck Controller
标准包装: 100
系列: Hyper Speed Control™
PWM 型: 电流模式
输出数: 1
频率 - 最大: 360kHz
占空比: 93%
电源电压: 3 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
其它名称: 576-3639-5
MIC2124YMM-ND
Power Dissipation T A =70°C
................... Internally Limited
Micrel, Inc.
Absolute Maximum Ratings (1)
IN, FB to GND .................................................. -0.3V to +6V
BST to LX ......................................................... -0.3V to +6V
BST to GND ................................................... -0.3V to +35V
DH to LX.............................................-0.3V to (V BST + 0.3V)
DL, COMP to GND ...............................-0.3V to (V IN + 0.3V)
HSD to GND..................................................... -0.3V to 29V
PGND to GND ............................................... -0.3V to +0.3V
(3)
Storage Temperature (T S )..........................-65 ° C to +150 ° C
Lead Temperature (soldering, 10sec) ........................ 260°C
MIC2124
Operating Ratings (2)
Input Voltage (V IN ) ............................................ 3.0V to 5.5V
Supply Voltage (V HSD ) ....................................... 3.0V to 18V
Ambient Temperature (T A ) ...........................-40 ° C to +85 ° C
Junction Temperature (T J ) .........................-40 ° C to +125 ° C
Junction Thermal Resistance MSOP ( θ JA ) ............130 ° C/W
Junction Thermal Resistance MSOP ( θ JC ) ..............43 ° C/W
Electrical Characteristics (5)
V HSD = 13.2V, V IN = 5V, V BST - V LX = 5V; T A = 25°C, unless noted. Bold values indicate -40°C ≤ T A ≤ +85°C.
Parameter
Conditions
Min
Typ
Max
Units
General
Operating Input Voltage (V IN )
HSD Voltage Range (V HSD )
Quiescent Supply Current
Shutdown Current
(6)
V FB = 1.5V
V EN/COMP = GND
3.0
3.0
1.4
1
5.5
18
2
2
V
V
mA
mA
Under-Voltage Lockout
Under-voltage Lockout Trip Level
Rising edge
2.5
2.7
2.93
V
UVLO Hysteresis
DC-DC Controller
40
mV
Output-Voltage Adjust Range
(V OUT )
Depends on external components and the
maximum duty cycle.
0.8
V
Error Amplifier
FB Regulation Voltage
FB Regulation Voltage
Transconductance g m
COMP Output Voltage Swing
FB Input Leakage Current
0°C ≤ T A ≤ 85°C
-40°C ≤ T A ≤ 85°C
V FB = 0.8V
-1
-2.5
70
0.5
±0.2
±0.2
110
1
1
1
160
2.3
500
%
%
μS
V
nA
On Timer
Switching Frequency
240
300
360
kHz
Maximum Duty Cycle
Minimum Duty Cycle
V HSD = 4V, V IN = 5V, V LX = 3.33V
FB > 0.8V
89
91
0
93
%
%
Short Current Protection
Current Limit 1
Current Limit 2
V FB = 0.8V
V FB = 0V
110
21
127
36
145
51
mV
mV
June 2010
3
M9999-060810-D
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