参数资料
| 型号： | MAX769EEI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC PAGER SYSTEM 28-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 应用： | 手持/移动设备 |
| 电流 - 电源： | 4µA |
| 电源电压： | 1.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-QSOP |
| 供应商设备封装： | 28-QSOP |
| 包装： | 管件 |
2 or 3-Cell, Step-Up/Down,
Two-Way Pager System IC
ELECTRICAL CHARACTERISTICS (continued)
(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)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SERIAL-INTERFACE TIMING SPECIFICATIONS (Note 9)
SCL Maximum Clock Rate
SDI Setup Time (t DS )
SDI Hold Time (t DH )
SCL to SDO Output Valid (t DO )
CS to SDO Output Valid (t DV )
CS to SDO Disable (t TR )
CS to SCL Setup Time (t CSS )
CS to SCL Hold Time (t CSH )
CS Pulse Width High (t CSW )
SCL Pulse Width High or Low
(t CH , t CL )
50% duty cycle
5
100
50
50
50
100
50
70
70
70
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
DC-DC CONVERTER
Output Current, Run Mode
(Note 10)
Output Current, Coast Mode
(Note 10)
OUT Error, Coast Mode
(Note 11)
OUT Error, Run Mode (Note 12)
Circuit of Figure 2, OUT = 3.0V, BATT = 3.0V
Circuit of Figure 2, OUT = 3.0V, BATT = 3.0V
Coast Mode, OUT = 1.8V to 4.9V
Run Mode, OUT = 1.8V to 4.9V
80
15
-3.5
-3.5
115
40
3.5
3.5
mA
mA
%
%
OUT DAC Step Size (Note 13)
OUT Load Regulation
OUT Line Regulation
Maximum LX Duty Cycle
OUT Voltage Ripple
LX Switch Current Limit
Coast or Run Mode, OUT = 1.8V to 4.9V
I OUT = 1mA to 80mA, Run Mode
BATT = 1.6V to 4.5V
OUT = 3.0V
I OUT = 80mA, C OUT = 47μF with ESR < 0.25 ?
During the inductor charge cycle
30
76
300
100
25
25
83
70
350
170
400
mV
mV
mV
%
mVp-p
mA
LX On-Resistance (Note 14)
LX1, LX2, BATT = 3.0V
NMOS
PMOS
0.9
1.3
1.8
2.6
?
PHASE-LOCKED LOOP (PLL)
Frequency, Free-Run
Frequency, Locked
Jitter (Note 15)
Capture Time (Note 15)
T A = +25°C, FILT connected to REF
f SYNC = 38.4kHz
f SYNC = 38.4kHz, FILT Network = 1nF ?? (22nF + 10k ? )
f SYNC = 38.4kHz, FILT Network = 1nF ?? (22nF + 10k ? )
210
270
268.8
±15
1
325
25
kHz
kHz
kHz
ms
NICD CHARGER
Current High
Current Low
OUT Error, Backup Regulator
Backup-Regulator
On-Resistance (Note 16)
0.2V < (OUT - NICD) < 2V, 15mA_CHG = 1
0.2V < (OUT - NICD) < 2V, 1mA_CHG = 1
OUT = 2.8V, I OUT = 20mA, NICD = 3.3V
Backup Mode, NICD = 3.3V
7
0.45
-3.5
5
25
1.5
3.5
10
mA
mA
%
?
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3
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| MAX769EEI+ | 功能描述:PMIC 解决方案 2-3 Cell Step-Up/Dwn 2-Way Pgr System IC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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| MAX769EEI-T | 功能描述:PMIC 解决方案 2-3 Cell Step-Up/Dwn 2-Way Pgr System IC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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| MAX7705CPA | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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