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參數(shù)資料
| 型號： | MAX4921BETD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CTLR OVP/OCP BATT PWR 14-TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 過壓和過流控制器 |
| 應(yīng)用： | 手機，數(shù)碼相機，媒體播放器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 14-TDFN-EP（3x3） |
| 包裝： | 帶卷 (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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4924ELT+T | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX4925ELT+ | 制造商:Maxim Integrated Products 功能描述:OVP PROTECTOR WITH EXTERNAL PFET - Bulk |
| MAX4925ELT+T | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝: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:開關(guān)變換器、穩(wěn)壓器與控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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