HT7730

HOLTEK Semiconductor Inc.
HT77xx PFM Asynchronous Step-up DC to DC Converter (100mA) Features · Low start-up voltage: 0.7V (Typ.), 0.9V (Max.) · Ultra low supply current IDD2: 4mA (Typ.) · High efficiency: 85% (Typ.), VOUT³2.7V · Low ripple and low noise · High output voltage accuracy: ±2.5% · Low shutdown current: 0.5mA (Typ.) · Output voltage: 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V, · 3-pin SOT89, 3-pin SOT23 and ...
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Технические характеристики

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Корпус SOT-23-5
Режим преобразования
Входное напряжение
Выходное напряжение
Кол-во выходов
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HT77xx PFM Asynchronous Step-up DC to DC Converter (100mA) Features · Low start-up voltage: 0.7V (Typ.), 0.9V (Max.) · Ultra low supply current IDD2: 4mA (Typ.) · High efficiency: 85% (Typ.), VOUT³2.7V · Low ripple and low noise · High output voltage accuracy: ±2.5% · Low shutdown current: 0.5mA (Typ.) · Output voltage: 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V, · 3-pin SOT89, 3-pin SOT23 and 5.0V 5-pin SOT23 package · Output current up to 100mA Applications · Palmtops/PDAs · Cameras/Camcorders · Portable communicators/Smartphones · Battery-powered equipment General Description The HT77xx consists of an oscillator, a PFM control circuit, a driver transistor, a reference voltage unit, and a high speed comparator. They employ pulse frequency modulation (PFM) for minimum supply current and ripple at light output loading. These devices are available in space saving 3-pin SOT89, 3-pin SOT23 and 5-pin SOT23 packages. For 5-pin SOT23 package, it also build-in a chip enable function to reduce power consumption during shutdown mode. The HT77xx series is a set of PFM step-up DC/DC converter with high efficiency and low ripple. The series features extremely low start-up voltage and high output voltage accuracy. They require only three external components to provide a fixed output voltage of 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V or 5.0V. CMOS technology ensures ultra low supply current and makes them ideal for battery-operated applications powered from one or more cells. Selection Table Note: Part No. Output Voltage HT7718 1.8V HT7722 2.2V HT7727 2.7V HT7730 3.0V HT7733 3.3V HT7737 3.7V HT7750 5.0V Package Marking SOT89 SOT23 SOT23-5 HT77xx (for SOT89) 77xx (for SOT23) 77xx (for SOT23-5) ²XX² stands for output voltages. Rev 2.21 1 January 4, 2021 PDF
Документация на HT7730 

Z:\Power Management\HT77xx\HT77xxv220--20200924.vp

Дата модификации: 04.01.2021

Размер: 747.2 Кб

15 стр.

HT77xx PFM Asynchronous Step-up DC to DC Converter (100mA) Features · Low start-up voltage: 0.7V (Typ.), 0.9V (Max.) · Output current up to 100mA · High efficiency: 85% (Typ.), VOUT³2.7V · Ultra low supply current IDD2: 4mA (Typ.) · High output voltage accuracy: ±2.5% · Low ripple and low noise · Output voltage: 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V, · Low shutdown current: 0.5mA (Typ.) 5.0V · TO92, SOT89, SOT23 and SOT23-5 package Applications · Palmtops/PDAs · Cameras/Camcorders · Portable communicators/Smartphones · Battery-powered equipment General Description The HT77xx consists of an oscillator, a PFM control circuit, a driver transistor, a reference voltage unit, and a high speed comparator. They employ pulse frequency modulation (PFM) for minimum supply current and ripple at light output loading. These devices are available in space saving TO92, SOT89, SOT23 and SOT23-5 packages. For SOT23-5 package, it also build-in a chip enable function to reduce power consumption during shutdown mode. The HT77xx series is a set of PFM step-up DC/DC converter with high efficiency and low ripple. The series features extremely low start-up voltage and high output voltage accuracy. They require only three external components to provide a fixed output voltage of 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V or 5.0V. CMOS technology ensures ultra low supply current and makes them ideal for battery-operated applications powered from one or more cells. Selection Table Note: Part No. Output Voltage HT7718 1.8V HT7722 2.2V HT7727 2.7V HT7730 3.0V HT7733 3.3V HT7737 3.7V HT7750 5.0V Package Marking TO92 SOT89 SOT23 SOT23-5 HT77xx (for TO92) HT77xx (for SOT89) 77xx (for SOT23) 77xx (for SOT23-5) ²XX² stands for output voltages. Rev 2.00 1 June 25, 2016 PDF
Документация на HT7730 

G:\Power Management\77xx\77xxv200-20160625.vp

Дата модификации: 01.03.2017

Размер: 401 Кб

16 стр.

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