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| 型号： | ISL9111EH50Z-T7A |
| 厂商： | Intersil |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC 5V 1A 6SOT23-6 |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 0.8 V ~ 4.8 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 是 |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 其它名称： | ISL9111EH50Z-T7ADKR |
ISL9111, ISL9111A
TABLE 1. FAULT DETECTION AND RESPONSE
FAULT CONDITION
Low Battery Voltage
(ISL9111 only)
V OUT Out of Regulation
Short Circuit
Over-temperature Protection
Output Overvoltage Protection (ADJ
Version Only)
DETECTION DETAILS
V IN < 0.7V
V OUT is 10% below the target output voltage.
V OUT falls below V IN .
Die temperature is > +150°C.
V OUT > 5.90V
ACTION
Shut down until V EN or V IN is cycled.
Shut down only if V IN and V OUT fall below 2.1V.
Device automatically restarts after 200ms.
Fault signal switches on and off when V OUT drops
out of regulation due to overload condition.
Shut down immediately. Device automatically
restarts after 200ms.
Switching stops. Device restarts when temperature
decreases to +125°C (typical).
Switching stops until V OUT drops 400mV below OVP
threshold.
Inductor Selection
An inductor with core material suitable for high frequency
applications (e.g., ferrite) is desirable to minimize core loss and
improve efficiency. The inductor should have a low ESR to reduce
copper loss. Moreover, the inductor saturation current should be
higher than the maximum peak current of the part; i.e., 1.2A.
The part is designed to operate with an inductor value of 4.7μH to
provide stable operation across the range of load, input and
output voltages. Stable mode switching between PWM and skip
mode operation is guaranteed at this inductor value. Table 2
shows recommended inductors.
TABLE 2. INDUCTOR VENDOR INFORMATION
MANUFACTURER SERIES WEBSITE
Capacitor Selection
INPUT CAPACITOR
A minimum 4.7μF ceramic capacitor is recommended to provide
stable operation under typical operating conditions. For input
voltage less than 1.0V application, an additional 4.7μF ceramic
capacitor is recommended for better noise filtering and EMI
suppression. The input capacitor should be placed close to the
input pin, GND pin, and the non-switching terminal of the
inductor.
OUTPUT CAPACITOR
For the output capacitor, a ceramic capacitor with small ESR is
recommended to minimize output voltage ripple. A typical 4.7μF
should be used to provide stable operation at different typical
Sumida
Abracon
Bourns
Taiyo Yuden
TDK
CDRH2D18/HPNP
ASPI-0412FS
SDR0302
NRS4012
VLF5012AT
10
www.sumida.com
www.abracon.com
www.bourns.com
www.t-yuden.com
www.tdk.com
operating conditions. The output capacitor should be placed
close to the output pin and GND pin of the device. Table 3 shows
recommended capacitors.
TABLE 3. CAPACITOR VENDOR INFORMATION
MANUFACTURER SERIES WEBSITE
AVX X5R www.avx.com
Murata
X5R
www.murata.com
Taiyo Yuden
X5R
www.t-yuden.com
TDK
X5R
www.tdk.com
FN7602.4
June 4, 2012
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| ISL9111EHADJZ-T | 功能描述:IC VOLTAGE REGULATOR RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:* 标准包装:50 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:5 V ~ 25 V 输入电压:2.3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:600kHz，1.2MHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 包装:管件 供应商设备封装:8-MSOP |
| ISL9111EHADJZ-T7A | 功能描述:直流/直流开关转换器 LW INPUT VOLT PWM/PF STEP UP 6LD SOT2 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| ISL9111H30ZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
| ISL9111H33ZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
| ISL9111H50ZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
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