参数资料
型号: MIC2131-4YTSE
厂商: Micrel Inc
文件页数: 4/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 16TSSOP
标准包装: 94
PWM 型: 电压模式
输出数: 1
频率 - 最大: 440kHz
占空比: 80%
电源电压: 8 V ~ 40 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: 16-TSSOP(0.173",4.40mm)裸露焊盘
包装: 管件
产品目录页面: 1091 (CN2011-ZH PDF)
其它名称: 576-3099-5
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .......................................................42V
Boot Strapped Voltage (V BST ).................................. V IN + 5V
Logic Inputs ...................................................................6.5V
EN Input .........................................................................42V
Ambient Storage Temperature (T s ) ........... –65°C to +150°C
ESD Rating (3) ............................................................... 1.5kV
MIC2130/1
Operating Ratings (2)
Supply Voltage (V IN1, V IN2 )................................ +8V to +40V
Output Voltage Range.................................. 0.7V to 0.85V IN
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Package Thermal Resistance
e-TSSOP ( θ JA ) ................................................97.5°C/W
e-TSSOP ( θ JC ) ................................................29.9°C/W
4x4 MLF-16 ( θ JA ) ............................................50.6°C/W
4x4 MLF-16 ( θ JC ) ............................................15.8°C/W
Electrical Characteristics (4)
T J = 25°C; V EN = V IN = 24V; Frequency = 150kHz; V OUT = 3.3V, unless otherwise specified.
Bold values indicate –40°C ≤ T J ≤ +125°C.
Parameter
Condition
Min
Typ
Max
Units
V IN , V EN/UVLO , V DD Supply
Total Supply Current,
PWM Mode Supply Current
V FB = 0.7V; Comp = 3V
(Outputs switching but excluding external MOSFET gate
4
7.5
mA
current.)
Shutdown Current
V EN /UVLO Turn-On Threshold
V EN /UVLO Turn-Off Threshold
V IN UVLO Hysteresis
V EN = 0V; V IN = 12V
0.7
180
1.1
1.0
100
300
1.3
μA
V
V
mV
Internal Bias Voltages (AV DD ,)
(I DD = 50mA)
4.6
5
5.3
V
Oscillator/PWM Section
PWM Frequency
PWM Frequency
MIC2130/1-1
MIC2130/1-4
130
360
150
400
170
440
kHz
kHz
Maximum Duty Cycle
Maximum Duty Cycle
Minimum On-Time
MIC2130/1-1
MIC2130/1-4
Note 5
92
80
50
%
%
ns
Regulation
Feedback Voltage Reference
Feedback Bias Current
Output Voltage
(±2%) -40 ° C to +125 ° C
V IN = 8V – 40V
686
700
300
0.03
714
1000
mV
nA
%/V
Line Regulation
Output Voltage
Load Regulation
1A ≤ I OUT ≤ 10A
0.5
%
Error Amplifier (each channel)
DC Gain
Output Impedance
70
2
dB
M ?
Transconductance
1.2
1.6
2.5
ms
Output Over voltage Protectio n
V FB Threshold
(Latches LSD High)
110
115
120
%Nom
Delay Blanking Time
Soft Start/HCL
1
μs
Internal Soft Start
1
2.75
5
μA
Source Current
HCL (MIC2131) Pin Voltage
High
April 2008
I LIMIT set to 200% when HCL charges to2.4V
4
2.4
V
M9999-042108-C
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