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AA18380AP Datasheet(PDF) 5 Page - Agamem Microelectronic Inc. |
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AA18380AP Datasheet(HTML) 5 Page - Agamem Microelectronic Inc. |
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5 / 14 page  Agamem Microelectronics Inc. AA18380 PRELIMINARY Switching Regulator Controller ©Copyright Agamem Microelectronics Inc. www.agamem.com.tw 2007/1/15 5 (Continued) Value Parameter Symbol Condition Min Typ Max Unit VOH1 RB = 390 Ω , IO = –15 mA 1.0 1.2 — V VOH2 RB = 750 Ω , VCC = 1.8 V IO = –10 mA 0.8 1.0 — V Output voltage VOL1 RB = 390 Ω , IO = 15 mA — 0.1 0.2 V VOL2 RB = 750 Ω , VCC = 1.8 V IO = 10 mA — 0.1 0.2 V Output source current IO+ RB = 390 Ω , VO = 0.9 V — –30 –20 mA Output sink current IO – RB = 390 Ω , VO = 0.3 V 30 60 — mA Output section Pull down resistance RO — 20 30 40 kΩ Pin voltage VBR RB = 390 Ω 0.2 0.3 0.4 V Input off condition IOFF –20 — 0 µ A Output current setting section/ Control section Input on condition ION — — — –45 µ A Pin current range IBR –1.8 — –0.1 mA Stand-by current ICCS BR/CTL pin open or VCC — — 1 µ A Entire device Average supply current ICC RB = 390 Ω — 5.5 9.3 mA ■ TIMING DIAGRAM Sawtooth wave output ON-- Power supply control SW OFF SCP pin waveform Out put waveform tPE Output short circuit Short circuit detection Output Short circuit Soft start tS Soft start setting voltage Idle Period setting voltage Reference input for short circuit detectioin compartor FB Pin voltage Stable State |
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