参数资料
型号: MAX1951ESA+T
厂商: Maxim Integrated Products
文件页数: 5/15页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 2A 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 5.5 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
1MHz, All-Ceramic, 2.6V to 5.5V Input,
2A PWM Step-Down DC-to-DC Regulators
Typical Operating Characteristics
(Typical values are at V IN = V CC = 5V, V OUT = 1.5V, I OUT = 1.5A, and T A = +25°C, unless otherwise noted. See Figure 2.)
EFFICIENCY vs. LOAD CURRENT
(V CC = V IN = 5V)
EFFICIENCY vs. LOAD CURRENT
(V CC = V IN = 3.3V)
REF VOLTAGE
vs. REF OUTPUT CURRENT
100
90
80
V OUT = 3.3V
100
90
80
V OUT = 2.5V
1.995
1.994
70
60
V OUT = 2.5V
70
60
V OUT = 1.8V
V OUT = 1.5V
1.993
T A = +85 ° C
T A = +25 ° C
50
40
V OUT = 1.5V
50
40
1.992
30
20
V OUT = 0.8V
30
20
V OUT = 0.8V
1.991
1.990
T A = -40 ° C
10
10
0
0
1.989
10
100
1000
10,000
10
100
1000
10,000
0
5
10
15
20
25
30
35
40
LOAD CURRENT (mA)
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
1.20
LOAD CURRENT (mA)
6
REF OUTPUT CURRENT ( μ A)
OUTPUT VOLTAGE DEVIATION
vs. LOAD CURRENT
1.15
1.10
T A = +85 ° C
5
4
3
1.05
1.00
2
1
0
V OUT = 2.5V
V OUT = 3.3V
0.95
0.90
T A = -40 ° C
T A = +25 ° C
-1
-2
-3
V OUT = 0.8V
V OUT = 1.8V
0.85
0.80
-4
-5
-6
2.6
3.1
3.6
4.1
4.6
5.1
5.6
0
0.4
0.8
1.2
1.6
INPUT VOLTAGE (V)
LOAD-TRANSIENT RESPONSE
MAX1951 toc06
OUTPUT VOLTAGE:
100mV/div,
AC-COUPLED
OUTPUT CURRENT:
0.5A/div
LOAD CURRENT (A)
LOAD-TRANSIENT RESPONSE
MAX1951 toc07
OUTPUT VOLTAGE:
100mV/div,
AC-COUPLED
OUTPUT CURRENT:
0.5A/div
0A
40 μ s/div
V IN = 5V
V OUT = 2.5V
I OUT = 0.5 TO 1A
0A
40 μ s/div
V IN = 3.3V
V OUT = 1.5V
I OUT = 0.5 TO 1A
_______________________________________________________________________________________
5
相关PDF资料
PDF描述
GMC20DRTN CONN EDGECARD 40POS DIP .100 SLD
GSC20DRTH CONN EDGECARD 40POS DIP .100 SLD
GMC20DRTH CONN EDGECARD 40POS DIP .100 SLD
GCC31DRTF CONN EDGECARD 62POS DIP .100 SLD
EMC15DRYS CONN EDGECARD 30POS DIP .100 SLD
相关代理商/技术参数
参数描述
MAX1951ESA-TG05 功能描述:直流/直流开关调节器 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
MAX1951EVKIT 功能描述:直流/直流开关调节器 Evaluation Kit for the MAX1951 MAX1952 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
MAX19526EVKIT+ 制造商:Maxim Integrated Products 功能描述:ANALOG TO DIGITAL CONVERTER - Boxed Product (Development Kits)
MAX19526EXE+ 功能描述:模数转换器 - ADC Integrated Circuits (ICs) Analog to Digital Converters - IC ADC 12BIT 8CH 40MSPS 144CTBGA RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX19526EXE+T 功能描述:模数转换器 - ADC Integrated Circuits (ICs) Analog to Digital Converters - IC ADC 12BIT 8CH 40MSPS 144CTBGA RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32