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| 00W129A Voltage converter IC for cellular phones BH6040FVM Description The BH6040FVM is an IC having the charging-pump type voltage converter for white LED. Maximum output current is 80mA and the internal oscillating frequency is 650kHz. The reduction of power ripple can be realized due to the built-in regulator on the primary side. Output (ON/OFF) can be controlled by the external signal and current consumption at OFF is 1A (Max). Dimension (Units : mm) 2.90.1 8765 4.00.2 2.80.1 0.475 0.9Max. 0.750.05 0.080.05 1234 0.145 +0.05 -0.03 0.22 +0.05 -0.04 0.08 M 0.65 0.08 S Features 1) Switched capacitor type voltage converter (5.0V output) 2) Easy to solve the noise problems in the VIN side (input side) 3) Built-in SHUTDOWN SW (ON/OFF control) 4) Very small MSOP8 package MSOP8 Applications Cellular phones, Overseas cellular phones Absolute Maximum Ratings (Ta=25C) Parameter Power supply voltage Power dissipation Operating temperature range Storage temperature range *Derating : 3.5mW/C for operation above Ta=25C Symbol Vcc Pd Topr Tstg Limits 6.5 350 * Unit V mW --30 ~ +75 --55 ~ +125 C C Recommended Operating Conditions (Ta=25C) Parameter Power supply voltage Symbol VIN Min. 3.0 Typ. 3.6 Max. 4.5 Unit V 0.290.15 0.60.2 January, 2001 Electrical characteristics (Unless otherwise noted; Ta=25C, Vcc=3.6V) Parameter Circuit current 1 Circuit current 2 Output voltage Load stability Oscillating frequency Maximum output current Output voltage temperature Symbol IQ1 IQ2 VOUT VO fosc IOMAX TCVO Min. -- -- 4.85 -- 470 80 -- Typ. 0 3.0 5.00 50 650 -- 100 Max. 1 4.5 5.15 100 850 -- -- Unit A mA V mV kHz Conditions Stand-by mode Voltage Operating, No load converter : (SHUTDOWN:H) 3.2V VIN 4.5V, IO=60mA IO=1~60mA IO=60mA mA 3.2V VIN, VO 4.5V ppm/C IO=60mA Application Circuit VBAT VIN CPIN 1 C1 2.2F SHUTDOWN VREF + -- 8 C5 4.7F C-- 2 SHUTDOWN 7 C4 GND C+ 0.22F 3 CHARGE PUMP 6 CREF OSC VO 4 C2 0.47F BH6040FVM 5 C3 2.2F LED CONT |
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