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参数资料
| 型号： | MAX4920BETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/19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) |
MAX4919B/MAX4920B/MAX4921B
Battery Power-Up Logic with Overvoltage
and Overcurrent Protection
_______________________________________________________________________________________
3
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
GATE DRIVERS
VGN1 referenced to GND, IGN1 sourcing 1A;
MAX4919B/MAX4920B
910
GN1 Turn-On Voltage
VGN1
VGN1 referenced to GND, IGN1 sourcing 1A;
MAX4921B
7.8
8.4
V
GN1 Pulldown Current
IGPD
VIN > OVLO, VGN1 = 5.5V
30
mA
GP1 Clamp Voltage
VCLAMP
VIN - VGP1 when VIN = 28V
12.5
16.5
19.5
V
GP1 Pulldown Resistor
RGPD
31
51.5
72
k
LOGIC INPUTS (PWR_HOLD, HP_PWR, PWR_ON,
EN)
Input-High Voltage
VIH
VBTI = 5.50V
1.5
V
Input-Low Voltage
VIL
VBTI = 2.3V for PWR_HOLD, HP_PWR and
EN; VBTI = 3V for PWR_ON
0.4
V
PWR_HOLD, EN Input Leakage
Current
ILKG
EN, PWR_HOLD = GND or 5.5V
-1
+1
A
PWR_ON, HP_PWR Pulldown
Resistance
RIPD
200
k
LOGIC OUTPUTS (
ACOK, ONOK)
Output-Low Voltage
VOL
ISINK = 1mA
0.4
V
Output-High Leakage Current
1A
TIMING
IN Debounce Time
tINDBC
Time from UVLO < VIN < OVLO to VGN1 >
0.3V, CGN1 = 500pF
10
25
40
ms
ACOK Blanking Time
tBLNKAC
Time from VGN1 > 0.3V to ACOK low,
CGN1 = 500pF
10
25
40
ms
HP_PWR Debounce Time
tHPDBC
Time for internal pFET to turn on after
VHP_PWR > VIH
10
25
40
ms
ACOK One-Shot Time
t1SHAC
VPWR_HOLD = 0V; time for internal pFET to
turn off after ACOK < VOL (Figure 1)
488
1220
1952
ms
HP_PWR One-Shot Time
t1SHHP
VPWR_HOLD = 0V; time for internal pFET to
turn off after VHP_PWR > VIH (Figure 2)
488
1220
1952
ms
Current-Limit Blanking Time
tCLIM
VBTI = 2.7V; VBTO shorted to GND; time for
internal pFET current to reduce to 10mA
4
1016ms
GN1 Turn-On Time
tGON
VGN1 = 0.3V to 8V
(MAX4919B/MAX4920B),
VGN1 = 0.3V to 7V (MAX4921B),
CGN1 = 500pF
10
ms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4921BETD+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4921BETD+T | 功能描述:电池管理 Battery Power-Up Logic RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| 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 |
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