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The rad hard ISL70005SEH is the only point-of-load (POL) power solution that reduces size, weight and power (SWaP) by integrating a synchronous buck and low dropout (LDO) regulator in one monolithic IC

rad hard ISL70005SEH是一個(gè)通過在一個(gè)單片集成電路中集成同步降壓和低功耗（LDO）調(diào)節(jié)器來減小尺寸、重量和功率（SWaP）的負(fù)載點(diǎn)（POL）電源解決方案。

The buck regulator uses a voltage mode control architecture and switches at a resistor adjustable frequency of 100kHz to 1MHz. Externally adjustable loop compensation allows for an optimum balance between stability and output dynamic performance. The internal synchronous power switches are optimized for high efficiency and excellent thermal performance.

The LDO is completely configurable independent of the switching regulator. It uses NMOS pass devices and separate chip bias voltage (L_VCC) to drive its gate, enabling the LDO to operate with a very low voltage at the L_VIN input. The LDO can sink and source up to 1A continuously, making it an ideal choice to power DDR memory.

The ISL70005SEH is available in a space saving 28 Ld ceramic dual flat-pack package or in die form. It is specified to operate across a temperature range of TA = -55°C to +125°C.

降壓穩(wěn)壓器采用電壓模式控制架構(gòu)，開關(guān)的電阻可調(diào)頻率為100kHz至1MHz。外部可調(diào)回路補(bǔ)償允許在穩(wěn)定性和輸出動(dòng)態(tài)性能之間實(shí)現(xiàn)平衡。內(nèi)部同步功率開關(guān)經(jīng)過優(yōu)化，可實(shí)現(xiàn)高效率和優(yōu)異的熱性能。 LDO可以獨(dú)立于開關(guān)調(diào)節(jié)器進(jìn)行配置。它使用NMOS pass器件和獨(dú)立的芯片偏置電壓（L_VCC）驅(qū)動(dòng)其柵極，使LDO在L_VIN輸入端以非常低的電壓工作。LDO可以連續(xù)接收和源高達(dá)1A，使其成為驅(qū)動(dòng)DDR存儲(chǔ)器的理想選擇。 ISL70005SEH可采用節(jié)省空間的28 Ld陶瓷雙扁平封裝或模具形式。規(guī)定在TA=-55°C至+125°C的溫度范圍內(nèi)運(yùn)行。

ISL70023SEH 100V 60A 5mΩ 14nC 100krad(Si) 75krad(Si) ?cm2/mg

ISL73023SEH 100V 60A 5mΩ 14nC - 75krad(Si) ?cm2/mg

ISL70024SEH 200V 45mΩ 100krad(Si) 75krad(Si) ?cm2/mg

ISL73024SEH 200V 45mΩ - 75krad(Si) ?cm2/mg

ISL72814SEH 16 42V 700mA @ 500mA 90nA Yes Yes, (4:16 Decoder) 100krad(Si) 75krad(Si) 28 Ld CFP
ISL73814SEH 16 42V 700mA @ 500mA 90nA Yes Yes, (4:16 Decoder) N/A 75krad(Si) 28 Ld CFP
ISL72813SEH 32 42V 600mA @ 500mA 40nA Yes Yes, (5:32 Decoder) 100krad(Si) 50krad(Si) 44 Ld CLCC
ISL72026SEH 1Mbps /250kbps/125kbps Yes No Yes No No Yes 8 Ld CFP

ISL72027SEH 1Mbps /250kbps/125kbps No Yes Yes No No Yes 8 Ld CFP

ISL72028SEH 1Mbps /250kbps/125kbps No Yes No Yes No Yes 8Ld CFP

ISL72026ASEH 1Mbps /500kbps/250kbps Yes No Yes No No Yes 8 Ld CFP

ISL72027ASEH 1Mbps /500kbps/250kbps No Yes Yes No No Yes 8 Ld CFP

ISL72028ASEH 1Mbps /500kbps/250kbps No Yes No Yes No Yes 8 Ld CFP

ISL71026M 1Mbps /250kbps/125kbps Yes No Yes No Rad Tolerant 14 Ld TSSOP

ISL70517SEH ±4V to ±18V 30μV 120dB Yes Single-Ended ± -55°C to +125°C 24 Ld Flatpack

ISL70617SEH ±4V to ±18V 30μV 120dB Yes Differential ± -55°C to +125°C 24 Ld Flatpack