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参数资料
| 型号： | MAX4921BETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/19页 |
| 文件大小： | 0K |
| 描述： | IC CTLR OVP/OCP BATT PWR 14-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 过压和过流控制器 |
| 应用： | 手机，数码相机，媒体播放器 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
0
4
2
8
6
12
10
14
24
35
6
7
GN1 GATE VOLTAGE
vs. INPUT VOLTAGE
MAX4919/20/21B
toc01
INPUT VOLTAGE (V)
GN1
GATE
VOLTAGE
(V)
MAX4919B
VGN1 REFERENCED TO GND
0
4
2
8
6
12
10
14
2.0
3.0
3.5
2.5
4.0
4.5
5.0
GN1 GATE VOLTAGE
vs. INPUT VOLTAGE
MAX4919/20/21B
toc02
INPUT VOLTAGE (V)
GN1
GATE
VOLTAGE
(V)
MAX4921B
VGN1 REFERENCED TO GND
0.5
0.8
0.7
0.6
0.9
1.0
1.1
1.2
1.3
1.4
1.5
-40
10
-15
35
60
85
NORMALIZED BATTERY SWITCH RON
vs. TEMPERATURE
MAX4919/20/21B
toc03
TEMPERATURE (
°C)
NORMALIZED
BATTERY
SWITCH
R
ON
Typical Operating Characteristics
(VBTI = 4V, TA = +25°C, unless otherwise noted.)
MAX4919B/MAX4920B/MAX4921B
Battery Power-Up Logic with Overvoltage
and Overcurrent Protection
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 5V (MAX4919B/MAX4920B) or VIN = 4.2V (MAX4921B), VBTI = 4V, TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GN1 Turn-Off Time
tGOFF
VIN rising at 1V/s from 5V to 8V
(MAX4919B/MAX4920B), or from 4V to 7V
(MAX4921B); VGN1 = 0.3V,
CGN1 = 500pF
620
s
Initial Overvoltage Fault Delay
tOVLO
VIN rising at 1V/s from 0V to 9V, time from
VIN = 5V to IGN1 = 80% of IGPD
1.5
s
ACOK Deassertion Delay
tACOK
VIN rising at 1V/s from 5V to 8V
(MAX4919B/MAX4920B), or from 4V to 7V
(MAX4921B); VACOK pullup
voltage = 3V; RACOK = 10k
(Figure 3)
5.8
s
Disable Time
tDIS
VEN = 2.4V, VGN1 = 0.3V, CGN1 = 500pF
2
s
Note 1: All specifications are 100% production tested at TA = +25°C, unless otherwise noted. Specifications over TA = -40°C to
+85°C are guaranteed by design.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4924ELT+T | 功能描述:开关变换器、稳压器与控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MAX4925ELT+ | 制造商:Maxim Integrated Products 功能描述:OVP PROTECTOR WITH EXTERNAL PFET - Bulk |
| MAX4925ELT+T | 功能描述:开关变换器、稳压器与控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MAX4926ELT+ | 制造商:Maxim Integrated Products 功能描述:OVP PROTECTOR WITH EXTERNAL PFET - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4926ELT+T | 功能描述:开关变换器、稳压器与控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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