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参数资料
| 型号： | LTC2935ITS8-4#TRMPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 8 PIN |
| 文件页数： | 7/12页 |
| 文件大小： | 134K |
| 代理商： | LTC2935ITS8-4#TRMPBF |
LTC2935
4
2935fa
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Supply Voltage
Normalized Reset and Power-Fail
Thresholds vs Temperature
Comparator Undervoltage
Glitch Immunity
Reset Timeout Period
vs Temperature
Voltage Output Low vs Pull-Up
Current (RST, PFO)
Voltage Output High vs Pull-Down
Current (RST, PFO)
VCC (V)
0
I CC
(nA)
200
400
600
800
1000
1
23
4
2935 G01
56
–40°C
25°C
85°C
S0 = S1 = S2 = GND
TEMPERATURE (°C)
–50
0.985
NORMALIZED
THRESHOLD
(V
/V
)
0.990
0.995
1.000
1.005
1.015
–25
025
50
2935 G02
75
100
1.010
COMPARATOR OVERDRIVE (%)
0.1
2.0
GLITCH
DURA
TION,
t
UV
(ms)
2.5
1
10
100
1.5
1.0
0.5
0
3.0
2935 G03
VCC = 3.6V
COMPARATORS PULL DOWN
ABOVE CURVE
TEMPERATURE (°C)
–50
140
t RST
(ms)
160
180
200
220
260
–25
025
50
2935 G04
75
100
240
VCC = 3.6V
PULL-UP CURRENT (mA)
0
V
OL
(mV)
20
40
60
80
100
1
234
2935 G05
5
–40°C
25°C
85°C
VCC = 3V
PULL-DOWN CURRENT (mA)
0
3.2
V
OH
(mV)
3.3
3.4
3.5
3.6
–0.2
–0.4
–0.6
–0.8
2935 G06
–1
–40°C
25°C
85°C
LTC2935-2
VCC = 3.6V
TA = 25°C, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reset and Power-Fail Outputs: RST, PFO
VOL
Voltage Output Low
VCC = 1V, 200μA Pull-Up Current
VCC = 3V, 3mA Pull-Up Current
S2, S1, S0 = Low
l
25
50
100
150
mV
VOH
Voltage Output High (LTC2935-2)
–200μA Pull-Down Current
l 0.7 VCC
V
IOH
Current Output High, Leakage (LTC2935-1)
VRST, VPFO = 3.6V
l
±1
±10
nA
tRST
Reset Timeout Period
l
140
200
260
ms
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C, VCC = 3.6V, unless otherwise noted. (Note 2)
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2. All currents into pins are positive, all voltages are referenced to
GND unless otherwise noted.
Note 3. Guaranteed by design. Characterized, but not production tested.
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