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HT7737S Datasheet

Part Number HT7737S
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description 100mA PFM Synchronous Step-up DC/DC Converter
Datasheet HT7737S DatasheetHT7737S Datasheet (PDF)

HT77xxS 100mA PFM Synchronous Step-up DC/DC Converter Features • Low start-up voltage: 0.7V (Typ.) • High efficiency: 1.8V ≤ VOUT ≤ 2.2V upper 80%, 2.7V ≤ VOUT ≤ 5.0V upper 85% (Typ.) • High output voltage accuracy: ±2.5% • Output voltage: 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V, 5.0V • Output current up to 100mA • Ultra low supply current IDD: 4μA (Typ.) • Low ripple and low noise • Low shutdown current: 0.1μA (Typ.) • TO92, SOT89, SOT23 and SOT23-5 package Applications • Palmtops/PDAs • .

  HT7737S   HT7737S






Part Number HT7737SA
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description 200mA PFM Synchronous Step-up DC/DC Converter
Datasheet HT7737S DatasheetHT7737SA Datasheet (PDF)

HT77xxSA 200mA PFM Synchronous Step-up DC/DC Converter Features • Low start-up voltage: 0.7V (Typ.) • High efficiency: 2.7V ≤ VOUT ≤ 5.0V upper 90% (Typ.) • High output voltage accuracy: ±2.5% • Output voltage: 2.7V, 3.0V, 3.3V, 3.7V, 5.0V • Output current up to 200mA • Ultra low supply current IDD: 5μA (Typ.) • Low ripple and low noise • Low shutdown current: 0.1μA (Typ.) • TO92, SOT89, SOT23 and SOT23-5 package Applications • Palmtops/PDAs • Portable communicators/Smartphones • Ca.

  HT7737S   HT7737S







Part Number HT7737BA
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description 5V/200mA PFM Asynchronous Step-up Converter
Datasheet HT7737S DatasheetHT7737BA Datasheet (PDF)

HT77xxBA 5V/200mA PFM Asynchronous Step-up Converter Features • Low startup voltage: 0.85V (Typical) • High efficiency up to 85% • Ultra low no load input current • High output voltage accuracy: ±2.5% • Fixed output voltage: 2.7V, 3.0V, 3.3V, 3.7V and 5.0V • Ultra low shutdown current: 0.1μA (Typical) • Package type: TO92, SOT89-3, SOT23-3 and SOT23-5 Applications • One, two and three cell alkaline and NiMH/NiCd bettery powered portable products • Portable equipment/handheld devices G.

  HT7737S   HT7737S







Part Number HT7737
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description PFM Step-up DC/DC Converter
Datasheet HT7737S DatasheetHT7737 Datasheet (PDF)

HT77XX PFM Step-up DC/DC Converter Features · Low start-up voltage: 0.7V (Typ.), 0.9V (Max.) · High efficiency: 85% (Typ.), VOUT³2.7V · High output voltage accuracy: ±2.5% · Output voltage: 1.8V, 2.7V, 3.0V, 3.3V, 3.7V, 5.0V · Ultra low supply current IDD2: 4mA (Typ.) · Low ripple and low noise · Low shutdown current: 0.5mA (Typ.) · TO-92, SOT-89, SOT-23 and SOT-25 package www.DataSheet4U.com Applications · Palmtops/PDAs · Portable communicators/Smartphones · Cameras/Camcorders · Battery-power.

  HT7737S   HT7737S







100mA PFM Synchronous Step-up DC/DC Converter

HT77xxS 100mA PFM Synchronous Step-up DC/DC Converter Features • Low start-up voltage: 0.7V (Typ.) • High efficiency: 1.8V ≤ VOUT ≤ 2.2V upper 80%, 2.7V ≤ VOUT ≤ 5.0V upper 85% (Typ.) • High output voltage accuracy: ±2.5% • Output voltage: 1.8V, 2.2V, 2.7V, 3.0V, 3.3V, 3.7V, 5.0V • Output current up to 100mA • Ultra low supply current IDD: 4μA (Typ.) • Low ripple and low noise • Low shutdown current: 0.1μA (Typ.) • TO92, SOT89, SOT23 and SOT23-5 package Applications • Palmtops/PDAs • Portable communicators/Smartphones • Cameras/Camcorders • Battery-powered equipment General Description The HT77xxS devices are a high efficiency PFM synchronous step-up DC-DC converter series which are designed to operate with both wire wound chip power inductors and also with multi-layered chip power inductors. The device series have the advantages of extremely low start-up voltage as well as high output voltage accuracy. Being manufactured using CMOS t.


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