参数资料
型号: MIC4684BM
厂商: Micrel Inc
文件页数: 5/16页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 8SOIC
标准包装: 95
系列: SuperSwitcher™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 1.235V
输入电压: 4 V ~ 30 V
PWM 型: 电压模式
频率 - 开关: 200kHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 8-SOIC
MIC4684
Typical Characteristics
(T A = 25°C unless otherwise noted)
Micrel, Inc.
Forward Diode
5V OUT Efficiency without Feed
100
100
3.3V OUT Efficiency without
Feed Forward Diode
100
5V IN Efficiency with Feed
Forward Diode
95
90
85
80
75
70
V IN = 8V
V IN = 12 V
95
90 V IN = 8V
85
80
75
70
V IN = 12 V
95
90
85
80
75
70
V OUT = 3.3V
V OUT = 2.5V
65
60
V IN = 24 V
65
60
V IN = 24 V
65
60
V OUT = 1.8V
V OUT = 5V
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
V OUT = 3.3V
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
0
55
50
OUTPUT CURRENT (A)
55
50
OUTPUT CURRENT (A)
55
50
V IN = 5.0V
0.5 1 1.5
OUTPUT CURRENT (A)
2
Efficiency vs. Output Current
with Feed Forward Diode
100
90
5V OUT
80
3.3V OUT
70
2.5V OUT
60
1.8V OUT
50
40
30
7
6
5
4
3
2
Bootstrap Voltage
vs. Input Voltage
350
300
250
200
150
100
Bootstrap Drive Current
vs. Input Voltage
0
0
0 2 4 6 8 10 12 14 16 18 20
20
10
0
V IN = 12V
0.5 1 1.5 2 2.5
OUTPUT CURRENT (A)
3
1
0
5
V IN = 12V
V FB = 1.5V
10 15 20 25
INPUT VOLTAGE (V)
30
0
50 V IN = 12V
V FB = 1.5V
INPUT VOLTAGE (V)
V FB = 1.3V
Minimum Duty Cycle
vs. Input Voltage
10.9
V IN = 12V
10.8 V OUT = 5V
10.7
10.6
1.255
1.250
1.245
1.240
Reference Voltage
vs. Input Voltage
6.3
6.2
6.1
6
Quiescent Current
vs. Input Voltage
0
0
0
10.5
10.4
10.3
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
1.235
1.230
1.225
5
V IN = 12V
V OUT = V REF
I OUT = 5 00mA
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
5.9
5.8
5.7
V EN = 5V
5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
200
Shutdown Current
vs. Input Voltage
605
Saturation Voltage
vs. Input Voltage
51.5
Foldback Frequency
vs. Input Voltage
0
0
0
180
160
140
120
100
80
60
40
20
0
V EN = 0V
5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
600
595
590
585
580
575
570
5
I OUT = 1A
V OUT = 5V
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
51
50.5
50
49.5
49
48.5
5
V FB = 0V
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
January 2010
5
M9999-012610
相关PDF资料
PDF描述
FK26X5R1C685K CAP CER 6.8UF 16V 10% RADIAL
VI-J3J-EY-F2 CONVERTER MOD DC/DC 36V 50W
MIC4680BM TR IC REG BUCK ADJ 1.3A 8SOIC
RCC49DRYI-S734 CONN EDGECARD 98POS DIP .100 SLD
MIC4680BM IC REG BUCK ADJ 1.3A 8SOIC
相关代理商/技术参数
参数描述
MIC4684BM TR 功能描述:IC REG BUCK ADJ 2A 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:SuperSwitcher™ 标准包装:20 系列:SIMPLE SWITCHER® 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:12V 输入电压:4 V ~ 60 V PWM 型:电压模式 频率 - 开关:52kHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP(0.300",7.62mm) 包装:管件 供应商设备封装:16-DIP 其它名称:*LM2575HVN-12LM2575HVN-12
MIC4684YM 功能描述:直流/直流开关调节器 SO-8 Efficient Simple Buck Regulator (Lead Free) RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
MIC4684YM TR 功能描述:直流/直流开关调节器 SO-8 Efficient Simple Buck Regulator (Lead Free) RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
MIC4684YM 制造商:Micrel Inc 功能描述:IC VOLTAGE REGULATOR SOIC
MIC4684YM 制造商:Micrel Inc 功能描述:Voltage Regulator IC