データシートサーチシステム |
|
ACT4910QW データシート(PDF) 5 Page - Active-Semi, Inc |
|
ACT4910QW データシート(HTML) 5 Page - Active-Semi, Inc |
5 / 34 page ACT4910QW Rev 1.0, 15-Sept-2017 Innovative PowerTM www.active-semi.com ActiveSwitcherTM is a trademark of Active-Semi Copyright © 2017 Active-Semi, Inc. 5 PIN DESCRIPTIONS PIN NAME DESCRIPTION 1 HSB High Side Bias, Boot-strap pin. This provides power to the internal high-side MOSFET gate driver circuitry. Connect a 47nF capacitor from HSB pin to SW pin 2 PLI Power Loss Indicator Open-Drain Output. PLI goes low to indicate loss of input power. Can also be configured as a storage voltage monitor or an output voltage monitor. PLI is referenced to VSS. 3, 28 PGND Power Ground. Connect to large ground plane on PCB 4 BSET Sets the storage capacitor voltage. Place a resistor from BSET to VSS to set the desired voltage. 5 REF Internal Bias Voltage Output. Connect a 1µF capacitor between REF and VSS. 6 COMP Compensation input pin for the buck converter. 7 FB Output Voltage Feedback. Kelvin connect FB to the output capacitor. 8 VSS Analog Ground. Kelvin connect VSS to the PGND plane. 9 SCL I2C Clock Input. Needs an external pull up resistor. 10 SDA I2C Data Input and Output. Needs an external pull up resistor. 11,12,13,2 3, 24, 25 VOUT Output for by-pass mode, in-rush, and eFuse functionality. Connect VOUT to the system load. 14 nIRQ Interrupt Open-Drain Output. nIRQ goes low to indicate a fault condition. nIRQ is referenced to VSS. 15 ISET Input and Output Current Limit pin. ISET can also indicate the load current through the eFuse. Connect a resistor from ISET to VSS to set the current limit. 16 SS Soft Start Input. Place a capacitor from SS to VSS to control the eFuse startup voltage slew rate. 17 EN Enable Input. A dual comparator on EN measures the input voltage to determine if it is under, voltage, over voltage, or within normal operating limits. Connect a resistive voltage divider between VIN, EN, and VSS to set the EN_UV and EN_UV thresholds. The EN_UV threshold is 0.64V. The EN_OV threshold is typically 0.92V, but can be modified by the IC’s CMI. 18,19, 20, 21, 22 VIN Power Supply Input. Input to the eFuse. Connect a 0.1µF capacitor between VIN and PGND as close to the IC as possible. 26 STR Storage Capacitor Input. Connect the storage capacitors to STR. STR requires a minimum capacitor of 100µF to PGND. 27 SW Switching Pin. This is the boost converter switch node and the buck converter switch node. Connect the inductor to SW. |
同様の部品番号 - ACT4910QW |
|
同様の説明 - ACT4910QW |
|
|
リンク URL |
プライバシーポリシー |
ALLDATASHEET.JP |
ALLDATASHEETはお客様のビジネスに役立ちますか? [ DONATE ] |
Alldatasheetは | 広告 | お問い合わせ | プライバシーポリシー | リンク交換 | メーカーリスト All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |