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| 型號： | MAX769 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual J-K Negative-Edge-Triggered Flip-Flops With Preset And Clear 16-CDIP -55 to 125 |
| 中文描述： | 2或3節(jié)電池、升/降壓型、雙向?qū)ず魴C(jī)系統(tǒng)電源IC |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 161K |
| 代理商： | MAX769 |
M
2 or 3-Cell, S tep-Up/Down,
Two-Way Pager S ystem IC
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
BATT, OUT, NICD, LBO, RSO to AGND...................-0.3V to +6V
REG1, REG2, OFS, REF, R2IN to AGND .....-0.3V to (OUT + 0.3V)
SCL, SDO, SDI,
CS
, SYNC, FILT, DR2IN,
CH0, LBI, RSIN to AGND......................-0.3V to (REG1 + 0.3V)
REG3 .......................................................-0.3V to (REG2 + 0.3V)
DR1, DR2 to DRGND ...............................-0.3V to (BATT + 0.3V)
PGND, DRGND to AGND......................................-0.3V to +0.3V
LX1 to PGND .............................................-0.3V to (OUT + 0.3V)
ELECTRICAL CHARACTERISTICS
(OUT = 3.0V, BATT = 3.6V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
LX2 to PGND............................................-0.3V to (BATT + 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
QSOP (derate 8mW/°C above +70°C)..........................640mW
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
I
REF
= 0 to 20μA, OUT = 1.8V to 4.9V
V
-1.5%
1.28
1.8
1.5%
2.8
3.6
T
A
= +25°C
Reference Voltage
I
DR
= 120mA
Run or Coast Mode
DR1, DR2 On-Resistance
V
DR
= 5V
I
SDO
= 100μA
nA
mV
1
250
200
DR1, DR2 Leakage Current
SDO Output Low
Charger and Backup Modes off, NICD = 3.6V
μA
Incremental supply current when on
REG2, REG3 and CH DAC off, V
OUT
= 2.8V
REG2, REG3 and CH DAC on
Coast Mode
1.2
3
Incremental supply current when on
T
A
= +25°C
T
A
= -40°C to +85°C
CONDITIONS
I
SDO
= -100μA, from REG1
V
V
REG1
- 0.2
0.4
SDO Output High
Includes
CS
, SDI, SCL, DR2IN, and SYNC
V
Logic Input Level Low
Includes
CS
, SDI, SCL, DR2IN, and SYNC
V
V
REG1
- 0.4
Logic Input Level High
Charger and Backup Modes off, BATT = 0V,
OUT = 0V
Incremental supply current when on
μA
1.2
3
NICD Input Current, Power Fail
(Note 8)
REG2 Supply Current (Note 4)
REG3 Supply Current (Note 4)
Logic Input = 0 to 3.3V; includes
CS
, SDI, SCL,
DR2IN, and SYNC
μA
V
1.6
2.0
-1
1
BATT Minimum Start-Up Voltage
(Note 3)
Coast Mode Supply Current (Note 4)
Run Mode Supply Current (Note 4)
BATT Supply Current (Note 5)
V
1.5
5.5
Logic Input Current
NICD Input Current, Standby
(Note 6)
BATT Typical Operating Range
(Note 2)
μA
μA
Backup Mode, NICD = 3.6V, OUT = 3V
50
20
μA
20
40
NICD Input Supply Current, Backup
(Note 7)
μA
30
CH DAC Supply Current (Note 4)
μA
μA
μA
13
875
4
25
1350
10
UNITS
MIN
TYP
MAX
PARAMETER
GENERAL PERFORMANCE
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