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| 型号： | ISL78302AARLLZ-T |
| 厂商： | Intersil |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.9V .3A 10DFN |
| 标准包装： | 6,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.9V |
| 输入电压： | 2.3 V ~ 6.5 V |
| 电压 - 压降（标准）： | 0.23V @ 300mA |
| 稳压器数量： | 2 |
| 电流 - 输出： | 300mA（最小） |
| 电流 - 限制（最小）： | 320mA |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 带卷 (TR) |
Dual LDO with Low Noise, Very High PSRR and Low I Q
ISL78302A
ISL78302A is a high-performance dual LDO capable of
sourcing 300mA current from each output. It has a low
standby current and very high PSRR and is stable with output
capacitance of 1μF to 10μF with ESR of up to 200m ? .
The device integrates an individual power-on-reset (POR)
function for each output. The POR delay for VO2 can be
externally programmed by connecting a timing capacitor to the
CPOR pin. The POR delay for VO1 is internally fixed at
approximately 2ms. A reference bypass pin is also provided for
connecting a noise-filtering capacitor for low noise and
high-PSRR applications.
The quiescent current is typically only 47μA with both LDOs
enabled and active. Separate Enable pins control each
individual LDO output. When both Enable pins are low, the
device is in shutdown, typically drawing less than 0.3μA.
The ISL78302A is AEC - Q100 rated. The ISL78302A is rated
for the automotive temperature range (-40°C to +105°C).
Features
? Integrates Two 300mA High-performance LDOs
? Excellent Transient Response to Large Current Steps
? ±1.8% Accuracy Over All Operating Conditions
? Excellent Load Regulation: < 0.1% Voltage Change Across
Full Range of Load Current
? Low Output Noise: Typically 30μV RMS @ 100μA (1.5V)
? Very High PSRR: 90dB @ 1kHz
? Extremely Low Quiescent Current: 47μA (Both LDOs Active)
? Wide Input Voltage Capability: 2.3V to 6.5V
? Low Dropout Voltage: Typically 230mV @ 300mA
? Stable with 1μF to 10μF Ceramic Capacitors
? Separate Enable and POR Pins for Each LDO
? Soft-start and Staged Turn-on to Limit Input Current Surge
During Enable
? Current Limit and Overheat Protection
? Tiny 10 Ld 3mmx3mm DFN Package
? -40°C to +105°C Operating Temperature Range
? Pb-free (RoHS Compliant)
? AEC - Q100 Tested
Applications
? Radio Receivers
? Camera Modules
? GPS/Navigation
? Infotainment Systems
ISL78302A
VIN (2.3 TO 6.5V)
ON
ENABLE1
OFF ON
1
2
3
VIN
EN1
VO1
VO2
10
9
8
V OUT2 OK
V OUT1
V OUT2
ENABLE2
EN2
POR2
RESET2
OFF
4
5
CBYP
CPOR
POR1
GND
7
6
V OUT2 TOO LOW
V OUT1 OK
(200ms DELAY,
C3 = 0.01μF)
RESET1
C1
C2
C3
C4
C5
V OUT1 TOO LOW
(2ms DELAY)
C1, C4, C5: 1μF X5R CERAMIC CAPACITOR
C2: 0.1μF X7R CERAMIC CAPACITOR
C3: 0.01μF X7R CERAMIC CAPACITOR
FIGURE 1. TYPICAL APPLICATION
December 23, 2013
FN7932.1
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2012, 2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
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| ISL78302AARMMZ | 功能描述:IC REG LDO 3V .3A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:2,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5 V 输入电压:2.5 V ~ 7 V 电压 - 压降（标准）:0.24V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:1.2A 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-261-5，TO-261AB 供应商设备封装:SOT-223-5 包装:带卷 (TR) 其它名称:*LP3964EMPX-ADJLP3964EMPX-ADJLP3964EMPX-ADJ-NDLP3964EMPX-ADJ/NOPBTR |
| ISL78302AARMMZ-T | 功能描述:IC REG LDO 3V .3A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:2,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5 V 输入电压:2.5 V ~ 7 V 电压 - 压降（标准）:0.24V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:1.2A 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-261-5，TO-261AB 供应商设备封装:SOT-223-5 包装:带卷 (TR) 其它名称:*LP3964EMPX-ADJLP3964EMPX-ADJLP3964EMPX-ADJ-NDLP3964EMPX-ADJ/NOPBTR |
| ISL78302AARPLZ | 功能描述:IC REG LDO 1.85V/2.9V .3A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:2,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5 V 输入电压:2.5 V ~ 7 V 电压 - 压降（标准）:0.24V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:1.2A 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-261-5，TO-261AB 供应商设备封装:SOT-223-5 包装:带卷 (TR) 其它名称:*LP3964EMPX-ADJLP3964EMPX-ADJLP3964EMPX-ADJ-NDLP3964EMPX-ADJ/NOPBTR |
| ISL78302AARPLZ-T | 功能描述:IC REG LDO 1.85V/2.9V .3A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:2,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5 V 输入电压:2.5 V ~ 7 V 电压 - 压降（标准）:0.24V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:1.2A 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-261-5，TO-261AB 供应商设备封装:SOT-223-5 包装:带卷 (TR) 其它名称:*LP3964EMPX-ADJLP3964EMPX-ADJLP3964EMPX-ADJ-NDLP3964EMPX-ADJ/NOPBTR |
| ISL78302ARBFZ | 功能描述:IC REG LDO 1.5V/2.5V .3A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:2,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5 V 输入电压:2.5 V ~ 7 V 电压 - 压降（标准）:0.24V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:1.2A 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-261-5，TO-261AB 供应商设备封装:SOT-223-5 包装:带卷 (TR) 其它名称:*LP3964EMPX-ADJLP3964EMPX-ADJLP3964EMPX-ADJ-NDLP3964EMPX-ADJ/NOPBTR |
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