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参数资料
| 型号： | TCM809LVNB |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | SOT-23B, 3 PIN |
| 文件页数： | 9/16页 |
| 文件大小： | 298K |
| 代理商： | TCM809LVNB |
TCM809/TCM810
DS21661B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage (VDD to GND) ..........................................6.0V
RESET, RESET.................................... – 0.3V to (VDD +0.3V)
Input Current, VDD.........................................................20 mA
Output Current, RESET, RESET...................................20 mA
dV/dt (VDD).............................................................100V/sec
Operating Temperature Range.................... – 40°C to +125°C
Power Dissipation (TA = 70°C):
3-Pin SOT-23B (derate 4 mW/°C above +70°C) ......320 mW
3-Pin SC-70 (derate 2.17 mW/°C above +70°C)......174 mW
Storage Temperature Range....................... – 65°C to +150°C
Maximum Junction Temperature, T
J.............................. 150°C
*Notice: Stresses above those listed under “Maximum ratings” may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at those or any other conditions
above those indicated in the operational listings of this specification is
not implied. Exposure to maximum rating conditions for extended peri-
ods may affect device reliability.
PIN FUNCTION TABLE
ELECTRICAL CHARACTERISTICS
NAME
FUNCTION
GND
Ground
RESET (TCM809) RESET push-pull output
remains low while VDD is below
the reset voltage threshold and
for 240 msec (140 msec min.)
after VDD rises above reset
threshold.
RESET (TCM810) RESET push-pull output
remains high while VDD is below
the reset voltage threshold and
for 240 msec (140 msec min.)
after VDD rises above reset
threshold.
VDD
Supply voltage (+2.5V, +3.0V,
+3.3V, +5.0V)
VDD = Full Range, TA = Operating Temperature Range, unless otherwise noted. Typical values are at TA = +25°C, VDD = 5V for L/M/J, 3.3V for T/S,
3.0V for R, and 2.5V for Z (Note 1).
Parameter
Sym
Min
Typ
Max
Units
Test Conditions
VDD Range
1.0
1.2
—
5.5
VTA = 0°C to +70°C
TA = – 40°C to +125°C
Supply Current (SOT-23)
ICC
—
24
17
60
50
A
TCM8xxL/M:
VDD < 5.5V
TCM8xxR/S/T/Z: VDD < 3.6V
Supply Current (SC-70)
ICC
—
12
9
30
25
A
TCM8xxL/M/J:
VDD < 5.5V
TCM8xxR/S/T/Z: VDD < 3.6V
Reset Threshold (Note 2)
VTH
4.56
4.50
4.63
—
4.70
4.75
VTCM8xxL:
TA = +25°C
TA = – 40°C to +125°C
4.31
4.25
4.38
—
4.45
4.50
TCM8xxM:
TA = +25°C
TA = – 40°C to +125°C
3.93
3.89
4.00
—
4.06
4.10
TCM809J:
TA = +25°C
TA = – 40°C to +125°C
3.04
3.00
3.08
—
3.11
3.15
TCM8xxT:
TA = +25°C
TA = – 40°C to +125°C
2.89
2.85
2.93
—
2.96
3.00
TCM8xxS:
TA = +25°C
TA = – 40°C to +125°C
2.59
2.55
2.63
—
2.66
2.70
TCM8xxR:
TA = +25°C
TA = – 40°C to +125°C
2.28
2.25
2.32
—
2.35
2.38
TCM8xxZ:
TA = +25°C
TA = – 40°C to +125°C
Reset Threshold Tempco
—
30
—
ppm/°C
VDD to Reset Delay, SOT-23
—
20
—
sec
VDD to Reset Delay, SC-70
—
65
—
sec
Reset Active Time-out
Period, SOT-23
140
240
560
msec
Reset Active Time-out
Period, SC-70
140
320
560
msec
RESET Output Voltage Low
(TCM809)
VOL
—
0.3
0.4
0.3
V
TCM809R/S/T/Z: VDD = VTH min, ISINK = 1.2 mA
TCM809L/M/J:
VDD = VTH min, ISINK = 3.2 mA
VDD > 1.0V, ISINK = 50 A
RESET Output Voltage High
(TCM809)
VOH
0.8 VDD
VDD – 1.5
—
V
TCM809R/S/T/Z: VDD > VTH max, ISOURCE = 500 A
TCM809L/M/J:
VDD > VTH max, ISOURCE = 800 A
Note
1:
Production testing done at T
A = +25°C, over temperature limits ensured by QC screen.
2:
RESET Output for TCM809, RESET Output for TCM810.
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