LM3224
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SNVS277C – DECEMBER 2004 – REVISED MARCH 2013
LM3224 615kHz/1.
25MHz Step-up PWM DC/DC Converter
Check for Samples: LM3224
FEATURES
1
•2 Operating
Voltage Range of 2.
7V to 7V • 615kHz/1.
25MHz Pin Selectable Frequency
Operation • Over Temperature Protection • Optional Soft-Start Function • 8-Lead VSSOP Package
APPLICATIONS
• TFT Bias Supplies • Handheld Devices • Portable Applications • GSM/CDMA Phones • Digital Cameras • White LED Flash/Torch Applications
DESCRIPTION
The LM3224 is a step-up DC/DC converter with a 0.
15Ω (typ.
), 2.
45A (typ.
) internal switch and pin selectable operating frequency.
With the ability to convert 3.
3V to multiple outputs of 8V, -8V, and 23V, th...