参数资料
型号: MIC2164-3YMM TR
厂商: Micrel Inc
文件页数: 4/39页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 10-MSOP
产品培训模块: MIC2124 Synchronous Current Mode DC-DC Buck Controller
标准包装: 2,500
系列: Hyper Speed Control™
PWM 型: 混合物
输出数: 1
频率 - 最大: 1.25MHz
占空比: 66%
电源电压: 3 V ~ 28 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: 带卷 (TR)
Micrel, Inc.
Absolute Maximum Ratings (1)
IN, FB, EN to GND .......................................... ? 0.3V to +6V
BST to LX ....................................................... ? -0.3V to +6V
BST to GND .................................................. ? 0.3V to +37V
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 31V
PGND to GND .............................................. ? 0.3V to +0.3V
Junction Temperature .............................................. +150°C
MIC2164/-2/-3/C
Operating Ratings (2)
Input Voltage (V IN )............................................ 3.0V to 5.5V
Supply Voltage (V HSD ) ....................................... 3.0V to 28V
Operating Temperature Range ................. ? 40 ° C to +125 ° C
Junction Temperature (T J ) ........................ ? 40 ° C to +125 ° C
Junction Thermal Resistance
MSOP ( θ JA ) ..................................................130.5°C/W
Continuous Power Dissipation (T A = 70°C)..............421mW
(derate 5.6mW/°C above 70°C)
Storage Temperature (T S )......................... ? 65°C to +150°C
Lead Temperature (soldering, 10sec)........................ 260°C
Electrical Characteristics (4)
V BST ? V LX = 5V; T A = + 25°C, unless noted. Bold values indicate ? 40°C ≤ T J ≤ +125°C.
Parameter
Condition
Min.
Typ.
Max.
Units
General
Operating Input Voltage (V IN ) (5)
HSD Voltage Range (V HSD )
3.0
3.0
5.5
28
V
V
Quiescent Supply Current
Standby Supply Current (6)
Under-Voltage Lockout Trip Level
UVLO Hysteresis
(V FB = 1.5V, output switching but excluding
external MOSFET gate current)
V IN = V BST = 5.5V, V HSD = 28, LX = unconnected,
EN = GND
2.4
1.4
0.8
2.7
50
3.0
2
3
mA
mA
V
mV
DC-DC Controller
Output-Voltage Adjust Range
(V OUT )
0.8
5.5
V
Error Amplifier
FB Regulation Voltage
FB Input Leakage Current
0°C ≤ T J ≤ 85°C
? 40°C ≤ T J ≤ 125°C
T J = 25°C (MIC2164C)
V FB = 0.8V
-1
-2
-3
103
5
130
1
2
3
500
162
%
nA
Current-Limit Threshold
V FB = 0V
V FB = 0.8V (MIC2164C)
V FB = 0V (MIC2164C)
19
95
15
48
130
48
77
170
80
mV
Soft-Start
Soft-Start Period
Oscillator
6
ms
MIC2164C
0.202
0.27
0.338
Switching Frequency (8)
MIC2164
MIC2164-2
MIC2164-3
0.225
0.45
0.75
0.3
0.6
1
0.375
0.75
1.25
MHz
September 2010
4
M9999-091310-D
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