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PDF ZXLD1615 Data sheet ( Hoja de datos )
| Número de pieza | ZXLD1615 | |
| Descripción | ADJUSTABLE DC-DC BOOST CONVERTER WITH INTERNAL SWITCH IN TSOT23-5 | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ZXLD1615 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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ZXLD1615
ADJUSTABLE DC-DC BOOST CONVERTER WITH INTERNAL SWITCH IN
TSOT23-5
DESCRIPTION
The ZXLD1615 is a PFM inductive boost converter
designed to provide output voltages of up to 28V
from a 2.5V to 5.5V input supply.
The ZXLD1615 includes the output switch and peak
current sense resistor, and can provide up to 10mA
output current at maximum output voltage. Higher
current is available at lower output voltages.
Quiescent current is typically 60A and a shutdown
function is provided to reduce this current to less
than 100nA in the 'off' state.
ADVANCED FEATURES
• Internal 30V NDMOS switch
• True analog output voltage control via PWM
with internal filter
FEATURES
• Low profile TSOT23-5 pin package
• Internal PWM filter for adjustable output
• High efficiency (85% typ)
• Wide input voltage range: 2.5V to 5.5V
• Up to 250mA output current at 5V
• Low quiescent current: (60A typ)
• 100nA maximum shutdown current
• Up to 1MHz switching frequency
• Low external component count
Nominal output voltage can be set up to a maximum
of 28V by two external resistors and can be adjusted
to lower values by a PWM control signal applied to
the 'Enable' pin. Depending upon the control
frequency, the PWM signal will provide either
continuous (low ripple) or gated control. The PWM
filter components are contained within the chip.
Minimum output voltage is determined by the input
supply.
The device is assembled in a low profile TSOT23-5
pin package.
APPLICATIONS
• LCD and OLED bias
• Cellular / mobile phones
• Digital cameras
• PDAs
• LCD modules
• Varactor and PIN diode bias
• Palmtop computers
TYPICAL APPLICATION CIRCUIT
PINOUT
TOP VIEW
ISSUE 3 - AUGUST 2004
1
SEMICONDUCTORS
1 page  
TYPICAL CHARACTERISTICS
ZXLD1615
ISSUE 3 - AUGUST 2004
5
SEMICONDUCTORS
5 Page 
1 Cell Li-Ion to 5V Sepic Converter
ZXLD1615
Triple Output Boost Converter for LCD or OLED Bias
Note: For all manufacturers listing please refer to application section on page 7 of this datasheet.
ISSUE 3 - AUGUST 2004
11
SEMICONDUCTORS
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ZXLD1615.PDF ] | |
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