参数资料
型号: MIC2185BQS TR
厂商: Micrel Inc
文件页数: 5/15页
文件大小: 0K
描述: IC REG CTRLR BST PWM CM 16-QSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 440kHz
占空比: 95%
电源电压: 2.9 V ~ 14 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-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
其它名称: MIC2185BQSTR
MIC2185BQSTR-ND
MIC2185
Typical Characteristics
Micrel, Inc.
0.8
Quiescent Current vs.
Temperature (SKIP Mode)
4.75
Quiescent Current vs.
Temperature (PWM Mode)
5.0
Quiescent Current vs.
Input Voltage(PWM Mode)
I Q = I QVINA +I QVINP
-40 -20 0 20 40 60 80 100120140
V IN P = 12V DC
f S = 400kHz
400kHz
0 2 4 6 8 10 12 14 16
0.7
0.6
0.5
0.4
0.3
0
0.2 V IN A = 5V DC
0.1 V IN P = 12V DC
TEMPERATURE (°C)
4.70
4.65
4.60
4.55
4.50
4.45 V IN A = 5V DC
4.40
4.35 I Q = I QVINA +I QVINP
4.30
TEMPERATURE (°C)
4.5
4.0
3.5
3.0
2.5 200kHz
2.0
1.5
1.0 V IN P =12V DC
0.5 I Q = I QVINA +I QVINP
0
INPUT VOLTAGE (V INA )
5.0
4.5
4.0
3.5
3.0
2.5
Quiescent Current vs.
Input Voltage( PWM Mode)
V IN P = 12V
V IN P = 9V
0.80
0.75
0.70
Quiescent Current vs.
Input Voltage (SKIP Mode)
V IN P = 12V DC
1.2475
1.247
1.2465
Reference Voltage
vs. Input Voltage
V IN P = 12V DC
V IN P = 5V
I Q = I QVINA + I QVINP
0 2 4 6 8 10 12 14 16
0
0
2.0
1.5
1.0
0.5 f S = 400kHz
0
INPUT VOLTAGE (V INA )
0.65
0.60
0.55
V IN P = 9V DC
V IN P = 5V DC
2 4 6 8 10 12 14 16
INPUT VOLTAGE (V INA )
1.246
1.2455
1.245
2 4 6 8 10 12 14 16
INPUT VOLTAGE (V INA )
1.2470
1.2469
1.2468
1.2467
Reference Voltage
vs. Reference Current
1.257
1.255
1.253
1.251
Reference Voltage
vs. Temperature
V IN P = 12V DC
V IN A = 5V DC
3.15
3.10
3.05
VDD vs.
Input Voltage
1.2466
1.2465
1.2464
1.249
1.247
1.245
3.00
2.95
0 10 20 30 40 50 60 70 80 90 100
-40 -20 0 20 40 60 80 100120140
0
1.2463
1.2462 V IN P = 12V DC
1.2461 V IN A = 5V DC
1.2460
REFERENCE CURRENT (μA)
1.243
1.241
1.239
1.237
TEMPERATURE(°C)
2.90
2.85
2.80
V IN P = 12V DC
2 4 6 8 10 12
INPUT VOLTAGE (V INA )
14
I ENABLE vs. V ENABLE
3.040
3.035
3.030
3.025
VDD vs.
Load Current
V IN P = 12V DC
V IN A = 5V DC
VDD vs.
Temperature
3.08
3.07 V IN P = 12V DC
3.06 V IN A = 5V DC
3.05
3.04
3.03
300
V IN P = 12V DC –40°C
250 V IN A = 5V DC
200
150
3.020
3.015
3.02
3.01
3.00
2.99
100
50
20°C
85°C
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0
3.010
I VDD (mA)
2.98
TEMPERATURE (°C)
0
2
4
6 8 10
V ENABLE (V)
12
14
October 2005
5
MIC2185
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MIC2186 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Low Voltage PWM Control IC