參數(shù)資料
型號(hào)： MAX1874EVKIT
廠商： Maxim Integrated Products, Inc.
英文描述： MAX1874 Evaluation Kit
中文描述： MAX1874評(píng)估板
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 405K
代理商： MAX1874EVKIT
M
Dual-Input, USB/AC Adapter, 1-Cell
Li+ Charger with OVP and Thermal Regulation
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
USB
= V
DC
= V
DCLV
= V
EN
= V
USEL
= 5V, V
BATT
= 4.2V, V
THRM
= V
REF
/ 2, Circuit of Figure 2,
T
A
= 0
°
C to +85
°
C
, unless otherwise
noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING
DC Rising to
DCOK
Falling
USB Rising to
UOK
Falling
USB = open, DC rising to 5V
DC = open, USB rising to 5V
20
20
ms
ms
DC Falling to
DCOK
Going
Open-Drain Propagation Delay
USB = open, 1k
pullup
2
μs
USB Falling to
UOK
Going
Open-Drain Propagation Delay
DC = open, 10k
pullup
2
μs
DC Rising to PON Rising (90%)
USB = open, DC step to 5V, BATT = 3.6V,
100k
pulldown
20
ms
USB Rising to PON Rising (90%)
DC = open, V
USB
step to 5V, V
BATT
= 3.6V,
100k
pulldown
20
ms
DC Falling to PON Going
Open-Drain Propagation Delay
USB = open, 100k
pulldown
2
μs
USB Falling to PON Going
Open-Drain Propagation Delay
DC = open, 100k
pulldown
2
μs
ELECTRICAL CHARACTERISTICS
(V
USB
= V
DC
= V
DCLV
= V
EN
= V
USEL
= 5V, V
BATT
= 4.2V, V
THRM
= V
REF
/ 2, Circuit of Figure 2,
T
A
= -40
°
C to +85
°
C
, unless otherwise
noted. Typical values are at T
A
= +25
°
C.) (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT VOLTAGE RANGES AND INPUT CURRENT
Maximum DC Input Voltage with
Overvoltage Protection
Q2 input MOSFET must be in place; charging
occurs only below 6.2V, Figures 3, 4, and 5
18
V
Maximum DC Input Voltage Without
Overvoltage Protection
DC = DCLV, Q2 input MOSFET not on circuit,
Figure 3
6.5
V
Maximum Input Voltage for Charging
6.0
6.5
4
6
6.00
500
6.50
750
3
300
100
100
V
V
EN
= 0V
V
EN
= 5V
DC Supply Current
mA
DCLV Operating Voltage Range
DCLV Shutdown Supply Current
USB Input Voltage Range
4.35
V
μA
V
μA
mA
μA
nA
nA
V
EN
= 0V
4.35
V
EN
= 0V
V
EN
= 5V, V
DC
= 0V
V
EN
= 5V, V
DC
= 5V
USB Supply Current
DCI Input Current
THRM Input Bias Current
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1875AEEG 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1875AEEG+ 功能描述:電壓模式 PWM 控制器 Dual 180 Out PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1875AEEG+T 功能描述:電壓模式 PWM 控制器 Dual 180 Out PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1875AEEG-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1875EEG 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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