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參數(shù)資料
| 型號： | MIC693MC |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 126K |
| 代理商： | MIC693MC |
MIC691/693
Micrel
MIC691/693
4
July 2000
Electrical Characteristics
V
CC = 4.75V to 5.5V; VBATT = 2.8V; TA = Operating Temperature Range, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted
Parameter
Condition
Min
Typ
Max
Units
Battery Backup Switching
Operating Voltage Range, V
CC
0
5.5
V
and V
BATT (Note 4)
Supply Current (excludes I
OUT)
35
100
A
Supply Current, Battery-Backup
V
BATT = 2.8V, TA = 25°C
0.001
1
A
Mode
T
A = Operating Temperature Range
5
A
Battery Standby Current
V
CC ≥ VBATT+ 0.2V TA = 25°C
–0.1
0.02
A
T
A = Operating Temperature Range
–1.0
0.02
A
V
OUT Output Voltage
V
CC = 4.5V, IOUT = 25mA
V
CC–0.05 VCC–0.025
V
CC = 4.5V, IOUT= 250mA
V
CC–0.3
V
CC–0.25
V
OUT, Battery-Backup Mode
V
CC < VBATT -0.2V, IOUT = 250A
V
BAT–0.1 VBAT–0.25
V
CC to VOUT On Resistance
V
CC = 4.5V
0.7
1.2
V
BATT to VOUT On Resistance
V
BATT = 4.5V
15
V
BATT = 2.8V
25
Battery Switchover Threshold
Power Up
V
BAT+0.03
mV
Power Down
V
BAT-0.03
mV
Battery Switchover Hysteresis
60
mV
BATT ON Output Low Voltage
I
SINK = 3.2mA
0.4
V
BATT ON Output Short-Circuit
Sink Current
60
mA
Current
Source Current
1
15
100
A
Reset and Watchdog Timer
Reset Voltage Threshold
MIC690
4.50
4.65
4.75
V
MIC692
4.25
4.40
4.50
V
Reset Threshold Hysteresis
25
mV
Reset Active Timeout Period
140
200
320
ms
/RESET Output Voltage
I
SOURCE = 1.6mA, VCC = 5V
3.5
V
I
SINK = 3.2mA
0.4
V
I
SINK = 50A, VCC 1.4V (VCC falling)
0.3
V
BATT = 0V
Watchdog Timeout Period
1.0
1.6
2.6
Sec
WDI Minimum Input Pulse
V
IL = 0.8V, VIH = 75% of VCC
100
ns
WDI Threshold Voltage
V
IH
0.75V
CC
V
Absolute Maximum Ratings (Note 1)
Terminal Voltage
V
CC ......................................................................... –0.3V to +6.0V
All other inputs ........................... –0.3V to (V
OUT + 0.3V)
Input Current
V
CC ........................................................................................ 250mA
GND, all other inputs .............................................. 25mA
Lead Temperature (soldering, 10 sec.) ..................... 300
°C
Storage Temperature ................................. –65
°C to 150°C
Operating Ratings (Note 2)
Operating Temperature Range
MIC691NC ................................................... 0
°C to 70°C
MIC691MC ................................................... 0
°C to 70°C
MIC691D ...................................................... 0
°C to 70°C
MIC693NC ................................................... 0
°C to 70°C
MIC693MC ................................................... 0
°C to 70°C
MIC693D ...................................................... 0
°C to 70°C
Power Dissipation ................................................... 700mW
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