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參數(shù)資料
| 型號(hào)： | ADM691SQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Microprocessor Supervisory Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 337K |
| 代理商： | ADM691SQ |
ADM691A/ADM693A/ADM800L/M–SPECIFICATIONS
(V
CC
= 4.75 V to 5.5 V (ADM691A, ADM800L) 4.5 V to 5.5 V (ADM693A, ADM800M) V
BATT
= +2.8 V, T
A
= T
MIN
to T
MAX
unless otherwise noted)
–2–
REV. 0
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
BATTERY BACKUP SWITCHING
V
CC
, V
BATT
Operating Voltage Range
V
OUT
Output Voltage
0
V
CC
– 0.05
V
CC
– 0.3
5.5
V
V
V
V
V
V
μ
A
μ
A
V
CC
– 0.02
V
CC
– 0.2
0.8
I
OUT
= 25 mA
I
OUT
= 250 mA
V
CC
= 4.5 V
V
BATT
= 4.5 V, I
OUT
= 20 mA
V
BATT
= 2.8 V, I
OUT
= 10 mA
V
BATT
= 2.0 V, I
OUT
= 5 mA
V
BATT
= 4.5 V
V
BATT
= 2.8 V
V
BATT
= 2.0 V
V
CC
> (V
BATT
– 1 V)
V
CC
< (V
BATT
– 1.2 V), V
BATT
= 2.8 V
5.5 V > V
CC
> V
BATT
+ 0.2 V
(V
BATT
+0.2 V) < V
CC
, T
A
= +25
°
C
(V
BATT
+0.2 V) < V
CC
Power Up
Power Down
V
CC
to V
OUT
Output Resistance
V
OUT
in Battery Backup Mode
1.2
V
BATT
– 0.3
V
BATT
– 0.25
V
BATT
– 0.15
V
BATT
to V
OUT
Output Resistance
12
20
25
100
1
Supply Current (Excludes I
OUT
)
Supply Current in B. Backup (Excludes I
OUT
)
Battery Standby Current
(+ = Discharge, – = Charge)
70
0.04
–0.1
–1.0
+0.02
+0.02
μ
A
μ
A
V
V
mV
V
V
mA
μ
A
Battery Switchover Threshold
V
CC
–V
BATT
Battery Switchover Hysteresis
BATT ON Output Voltage Low
V
BATT
+ 0.03
V
BATT
– 0.03
60
0.1
0.7
60
15
0.4
1.5
I
SINK
= 3.2 mA
I
SINK
= 25 mA
Sink Current
Source Current
BATT ON Output Short Circuit Current
1
100
RESET AND WATCHDOG TIMER
Reset Voltage Threshold
ADM691A, ADM800L
ADM693A, ADM800M
ADM800L, V
CC
Falling
ADM800M, V
CC
Falling
Reset Threshold Hysteresis
V
CC
to RESET Delay
LOW LINE
to RESET Delay
Reset Timeout Period Internal Oscillator
Reset Timeout Period External Clock
Watchdog Timeout Period, Internal Oscillator
4.5
4.25
4.55
4.3
4.65
4.40
4.75
4.50
4.70
4.45
V
V
V
V
mV
μ
s
ns
ms
Cycles
s
ms
Cycles
Cycles
ns
V
V
V
mA
V
V
V
μ
A
V
V
mA
T
A
= +25
°
C
T
A
= +25
°
C
15
80
800
200
2048
1.6
100
4096
1024
Power Down
140
280
Power Up
Power Up
Long Period
Short Period
Long Period
Short Period
V
IL
= 0.4, V
IH
= 0.75
×
V
CC
I
SINK
= 50
μ
A, V
CC
= 1 V, V
BATT
= 0 V
I
SINK
= 3.2 mA, V
CC
= 4.25 V
I
SOURCE
= 1.6 mA, V
CC
= 5 V
1.0
70
2.25
140
Watchdog Timeout Period, External Clock
Minimum WDI Input Pulse Width
RESET
Output Voltage
100
0.004
0.1
0.3
0.4
3.5
RESET
Output Short Circuit Current
RESET Output Voltage Low
LOW LINE
Output Voltage
7
0.4
20
0.1
I
SINK
= 3.2 mA
I
SINK
= 3.2 mA, V
CC
= 4.25 V
I
SOURCE
= 1
μ
A, V
CC
= 5 V
0.4
3.5
1
LOW LINE Short Circuit Source Current
WDO
Output Voltage
15
100
0.4
I
SINK
= 3.2 mA, V
CC
= 4.25 V
I
SOURCE
= 500
μ
A, V
CC
= 5 V
3.5
WDO Short Circuit Source Current
WDI Input Threshold
Logic Low
Logic High
WDI Input Current
3
10
0.8
V
V
μ
A
μ
A
0.75
×
V
CC
–50
–10
20
WDI = 0 V
WDI = V
OUT
50
POWER FAIL DETECTOR
PFI Input Threshold ADM69xA
PFI Input Threshold ADM800L/M
PFI Input Current
PFO
Output Voltage
1.2
1.225
1.25
1.25
±
0.01
1.3
1.275
±
25
0.4
V
V
nA
V
V
CC
= 5 V
V
CC
= 5 V
I
SINK
= 3.2 mA
I
SOURCE
= 1
μ
A
3.5
1
PFO
Short Circuit Source Current
PFI
to
PFO
Delay
15
25
60
100
μ
A
μ
s
μ
s
V
IN
= –20 mV
V
IN
= 20 mV
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