参数资料
型号: MIC2182-5.0YM TR
厂商: Micrel Inc
文件页数: 4/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-SOIC
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 330kHz
占空比: 86%
电源电压: 4.5 V ~ 32 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: 16-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
其它名称: MIC2182-5.0YMTR
MIC2182-5.0YMTR-ND
MIC2182
Absolute Maximum Ratings (Note 1)
Analog Supply Voltage (V IN ) ....................................... +34V
Digital Supply Voltage (V DD ) ......................................... +7V
Driver Supply Voltage (B ST ) .................................... V IN +7V
Sense Voltage (V OUT , C SH ) ............................. 7V to – 0.3V
Sync Pin Voltage (V SYNC ) ................................ 7V to – 0.3V
Enable Pin Voltage (V EN/UVLO ) ...................................... V IN
Micrel
Operating Ratings (Note 2)
Analog Supply Voltage (V IN ) ........................ +4.5V to +32V
Ambient Temperature (T A ) ......................... – 40 ° C to +85 ° C
Junction Temperature (T J ) ....................... – 40 ° C to +125 ° C
Package Thermal Resistance
SOP (θ JA ) .......................................................... 100 ° C/W
SSOP (θ JA ) ........................................................ 150 ° C/W
Power Dissipation (P D )
SOP ................................................ 400mW @ T A = 85 ° C
SSOP ............................................. 270mW @ T A = 85 ° C
Ambient Storage Temperature (T S ) ......... – 65 ° C to +150 ° C
ESD, Note 3
Electrical Characteristics
V IN = 15V; SS = open; V PWM = 0V; V SHDN = 5V; I LOAD = 0.1A; T A = 25 ° C, bold values indicate – 40 ° C ≤ T A ≤ +85 ° C; Note 4 ; unless
noted
Parameter
Condition
Min
Typ
Max
Units
MIC2182 [Adjustable], (Note 5)
Feedback Voltage Reference
Feedback Voltage Reference
1.233
1.220
1.245
1.245
1.257
1.270
V
V
Feedback Voltage Reference
4.5V < V IN < 32V, 0 < V CSH – V OUT < 75mV
1.208
1.245
1.282
V
Feedback Bias Current
10
nA
Output Voltage Range
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
V IN = 4.5V to 32V, V CSH – V OUT = 50mV
25mV < (V CSH – V OUT ) < 75mV (PWM mode only)
0mV < (V CSH – V OUT ) < 75mV (full load range) 4.5V < V IN < 32V
1.25
0.03
0.5
0.6
6
V
%/V
%
%
MIC2182-3.3
Output Voltage
Output Voltage
3.267
3.234
3.3
3.3
3.333
3.366
V
V
Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
4.5V < V IN < 32V, 0 < V CSH – V OUT < 75mV
V IN = 4.5V to 32V, V CSH – V OUT = 50mV
25mV < (V CSH – V OUT ) < 75mV (PWM mode only)
0mV < (V CSH – V OUT ) < 75mV (full load range) 4.5V < V IN < 32V
3.201
3.3
0.03
0.5
0.8
3.399
V
%/V
%
%
MIC2182-5.0
Output Voltage
Output Voltage
4.95
4.90
5.0
5.0
5.05
5.10
V
V
Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
6.5V < V IN < 32V, 0 < V CSH – V OUT < 75mV
V IN = 6.5V to 32V, V CSH – V OUT = 50mV
25mV < (V CSH – V OUT ) < 75mV (PWM mode only)
0mV < (V CSH – V OUT ) < 75mV (full load range) 6.5V < V IN < 32V
4.85
5.0
0.03
0.5
0.8
5.150
V
%/V
%
%
Input and VDD Supply
PWM Mode
Skip Mode
Shutdown Quiescent Current
Digital Supply Voltage (V DD )
Undervoltage Lockout
V PWM = 0V, excluding external MOSFET gate drive current
I L = 0mA, V PWM floating (1nF capacitor to ground)
V EN/UVLO = 0V
I L = 0mA to 5mA
V DD upper threshold (turn on threshold)
V DD lower threshold (turn off threshold)
4.7
1.6
600
0.1
4.2
4.1
2.5
1500
5
5.3
mA
μ A
μ A
V
V
V
M9999-042204
4
April 22, 2004
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