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| 型号： | MAX8505EEE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 4.68 V |
| 输入电压： | 2.6 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 500kHz，1MHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-QSOP |
| 产品目录页面： | 1411 (CN2011-ZH PDF) |
3A, 1MHz, 1% Accurate, Internal Switch
Step-Down Regulator with Power-OK
ABSOLUTE MAXIMUM RATINGS
CTL, FB, IN, V CC to GND .........................................-0.3V to +6V
COMP, REF, POK to GND ..........................-0.3V to (V CC + 0.3V)
BST to LX..................................................................-0.3V to +6V
PGND to GND .......................................................-0.3V to +0.3V
Continuous Power Dissipation (T A = +70°C)
16-Pin QSOP (derate 12.5mW/°C above +70°C).......1000mW
Operating Temperature Range
MAX8505EEE...................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = V CC = V CTL = +3.3V, V FB = 0.8V, V COMP = 1.25V, C REF = 0.01μF, T A = 0°C to +85°C , unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
IN AND V CC
IN Voltage Range
V CC Voltage Range
V IN
V CC
2.25
2.6
V CC
5.5
V
V
IN Supply Current
V CC Supply Current
I IN
I CC
Switching with no load
Switching with no load
V IN = 3.3V
V IN = 5.5V
V CC = 3.3V
V CC = 5.5V
6
10
3
6
10
10
mA
mA
Total Shutdown Current into IN
and V CC
I SHDN
V IN = V CC = V BST - V LX = 5.5V, V CTL = 0V,
V LX = 0V
20
50
μA
V CC Undervoltage Lockout
Threshold
UVLO th
When LX starts/stops
switching
V CC rising
V CC falling
2.2
2.40
2.35
2.55
V
REF
REF Voltage
REF Shutdown Resistance
REF Soft-Start Current
V REF
I REF = 0μA, V IN = V CC = 2.6V to 5.5V
From REF to GND, V CTL = 0V
V REF = 0.4V
0.792
20
0.800
13
25
0.808
100
30
V
?
μA
Soft-Start Ramp Time
Output from 0% to 100%, C REF = 0.01μF to
1μF
32
ms/μF
FB
FB Regulation Voltage
FB Input Bias Current
Maximum Output Current
I OUT_MAX
V IN = 2.6V to 5.5V
V FB = 0.7V
V IN = V CC = 3.3V, V OUT = 1.2V,
L = 1μH/5.9m ? (Note 1)
0.792
3
0.800
0.01
0.808
0.1
V
μA
A
FB Threshold for POK Transition
FB rising or falling
FB high
FB low
10.5
-13.5
12
-12
13.5
-10.5
%
FB to POK Delay
FB rising or falling
50
μs
COMP
COMP Transconductance
Gain from FB to COMP
From FB to COMP
V COMP = 1.25V to 1.75V
60
100
80
160
μS
dB
2
_______________________________________________________________________________________
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| MAX8505EEE+ | 功能描述:直流/直流开关调节器 3A 1MHz Step-Down Regulator 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 |
| MAX8505EEE+T | 功能描述:直流/直流开关调节器 3A 1MHz Step-Down Regulator 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 |
| MAX8505EEE-T | 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 |
| MAX8505EVKIT | 制造商:Maxim Integrated Products 功能描述:3A, 1MHZ, 1% ACCURATE, INTERNAL SWITCH STEP-D - Bulk |
| MAX8506ETE | 功能描述:直流/直流开关转换器 PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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