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参数资料
| 型号： | MAX1798AEGP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Circular Connector; No. of Contacts:32; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:19; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| 中文描述： | FIVE OUTPUT, ADJUSTABLE POSITIVE LDO REGULATOR, CQCC20 |
| 封装： | 5 X 5 MM, 0.90 MM HEIGHT, QFN-20 |
| 文件页数： | 16/20页 |
| 文件大小： | 642K |
| 代理商： | MAX1798AEGP |
M
CDMA Cellular/PCS System
Power Supplies
16
______________________________________________________________________________________
Thermal-Overload Protection
The MAX1798/MAX1798A/MAX1799/MAX1799A inte-
grate a separate thermal monitor for each linear regula-
tor. When the junction temperature of any LDO exceeds
T
J
= +160
°
C, the specific thermal sensor signals the
shutdown logic, turning off the pass transistor and
allowing that LDO to cool. The thermal sensor turns the
pass transistor on again after the LDO
’
s junction tem-
perature cools by 10
°
C, resulting in a pulsed output
during continuous thermal-overload conditions. Due to
the substrate
’
s thermal conductivity, a thermal overload
on one LDO may possibly affect other LDOs on the
device.
Thermal-overload protection is designed to protect the
MAX1798/MAX1798A/MAX1799/MAX1799A in the
event of fault conditions. For continual operation, do not
exceed the absolute maximum junction-temperature
rating of T
J
= +150
°
C.
Noise Reduction
Bypass BP to GND with an external 0.01μF bypass
capacitor. The MAX1798/MAX1798A/MAX1799/
MAX1799A exhibit 45μV
RMS
of output voltage noise.
Graphs of Output Noise vs. Load Current, Output Noise
(10Hz to 100kHz), PSRR vs. Frequency, and Channel-
to-Channel Isolation vs. Frequency appear in the
Typical Operating Characteristics.
DIN
SCLK
1
8
A2
A1
A0
D4
D3
D2
D1
DO
CS
INSTRUCTION
EXECUTED
Figure 4a. Serial-Interface Timing Diagram
CS
SCLK
DIN
t
DS
t
DH
t
CL
t
CH
t
CSS0
t
CSH0
t
CSW
t
CSH1
t
CSS1
Figure 4b. Detailed Serial-Interface Timing Diagram
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1799AEGP | LJT 66C 66#22D PIN RECP |
| MAX1798AEUP | CDMA Cellular/PCS System Power Supplies |
| MAX1799EGP | CDMA Cellular/PCS System Power Supplies |
| MAX1798EGP | Replaced by TMS320C6722B : Digital Signal Processor 144-QFP |
| MAX1798EUP | Replaced by TMS320C6722B : Digital Signal Processor 144-QFP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1798AETP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1798AEUP | 功能描述:PMIC 解决方案 CDMA Cellular/PCS System Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX1798AEUP-T | 功能描述:PMIC 解决方案 CDMA Cellular/PCS System Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX1798EGP | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX1798EGP+ | 功能描述:PMIC 解决方案 CDMA Cellular/PCS System Power Supply 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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