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| CP9743 2-Channel Switching Regulator Controller The CP9743 is a 2-channel switching regulator controller that uses a pulse width modulation (PWM) system. Both channels can be used for DC / DC converter operations including step up, step down, and inverting. Because the IC is compactly packaged, it is best suited for use as a power supply in portable equipment. FApplications DC / DC converters in VCRs, notebook computers, etc. FFeatures 1) Built-in reference voltage current (1%). 2) Timer latch, short-circuit protection circuit is built in. 3) Circuit to prevent malfunction during low input voltage is built in. FAbsolute maximum ratings (Ta = 25_C) 4) Built-in reference voltage (2.505V) output pin. 5) Rest period is adjustable over the whole range of duty ratio. FRecommended operating conditions (Ta = 25_) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 1 of 5 Rev 1.1 Apr.19, 2004 Fax:886-3-3521052 CP9743 2-Channel Switching Regulator Controller * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 2 of 5 Rev 1.1 Apr.19, 2004 Fax:886-3-3521052 CP9743 2-Channel Switching Regulator Controller * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 3 of 5 Rev 1.1 Apr.19, 2004 Fax:886-3-3521052 CP9743 2-Channel Switching Regulator Controller * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 4 of 5 Rev 1.1 Apr.19, 2004 Fax:886-3-3521052 CP9743 2-Channel Switching Regulator Controller *External dimensions (Units: mm) CP9743N 19.4 0.3 16 9 6.5 0.3 16 6.2 0.3 4.4 0.2 9 CP9743 10.0 0.2 0.51Min. 1 8 7.62 3.2 0.2 4.25 0.3 1 1.5 0.1 8 0.11 0.3 0.1 1.27 2.54 0.5 0.1 0.4 0.1 0.3Min. 0.15 0 ~ 15 DIP16 SOP16 * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 5 of 5 Rev 1.1 Apr,19 2004 Fax:886-3-3521052 0.15 0.1 |
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