參數(shù)資料
型號(hào): DS2720CU/T&R
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: MICRO, SOP-8
文件頁(yè)數(shù): 13/21頁(yè)
文件大?。?/td> 264K
代理商: DS2720CU/T&R
DS2720
20 of 21
ELECTRICAL CHARACTERISTICS:
PROTECTION CIRCUITRY
(0
°C to +50°C, 2.5V VDD 4.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VOVA
4.250
4.275
4.300
Overvoltage Detect
VOVB
4.325
4.350
4.375
V
1, 3
VOVC
4.275
4.300
4.325
Charge Enable
VCE
Typ -
75mV
VOV/1.022
Typ +
75mV
V
1, 3
Undervoltage Detect
VUV
Typ -
120mV
VOV/1.55
Typ +
120mV
V
1, 3
Overtemperature Detect
TMAX
70
90
110
°C
3
Overcurrent Detect
VOC
140
200
260
mV
1, 3
Short-Circuit Detect
VSC
2.0
2.3
2.6
V
1
Overvoltage Delay
tOVD
0.75
1.0
1.25
s
3
Undervoltage Delay
tUVD
90
125
160
ms
3
Overcurrent Delay
tOCD
12
16
20
ms
3
Short-Circuit Delay
tSCD
50
100
150
ms
Test Resistance, ITST Active
RTST1
3
11
k
W
5
Test Resistance, Recovery
Charging
RTST2
5
15
k
W
5
Charger Detect Voltage
VCH
20
60
120
mV
ELECTRICAL CHARACTERISTICS:
1-WIRE INTERFACE
(-20
°C to +70°C, 2.5V VDD 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
tSLOT
60
120
ms
Recovery Time
tREC
1
ms
Write 0 Low Time
tLOW0
60
120
ms
Write 1 Low Time
tLOW1
1
15
ms
Read Data Valid
tRDV
15
ms
Reset Time High
tRSTH
480
ms
Reset Time Low
tRSTL
480
960
ms
Presence Detect High
tPDH
15
60
ms
Presence Detect Low
tPDL
60
240
ms
Active Transition to
CC/DC Engage
tON
100
ms
4
DQ Capacitance
CDQ
25
pF
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