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PS0021 Datasheet(PDF) 4 Page - Power IC Ltd. |
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PS0021 Datasheet(HTML) 4 Page - Power IC Ltd. |
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4 / 12 page  PS0021 ELECTRICAL CHARACTERISTICS July 2007 www.picsemi.com © 2007 Power IC. All Rights Reserved. 4 ( VBATT = 1.2V, VOUT = 3.3V, VOUT = VOUT (NOM), SHDN = OUT, RL = ∞, TA = 0°C to +85°C, unless otherwise noted. Typical values are at T = +25°C.) A Unit Parameter Symbol Conditions Min Typ Max Operating Input Voltage V ( Note 2 ) 5.5 V IN Output Voltage variation V 3.2 3.3 3.4 V OUT Minimum Startup Input Voltage RL= 30kΩ 0.9 V Hold on Voltage 1 mA load 0.7 V Switch leakage 5 nA N-Channel Measured from SW pin voltage and 1.4 Ω RDS(ON) On-Resistance inductor current during SW on time Maximum oscillating freq V forced = V (NOM) * 0.95 80 100 120 KHz OUT OUT FOSC Duty ratio D V forced = V (NOM) * 0.95 65 75 85 % MAX OUT OUT Efficiency Eff 85 % 5 µA Quiescent Current into OUT V = V IN OUT +0.5V measurement of the IC input current(V pin) (Notes 3, 4) OUT (no switching) Quiescent Current into OUT V forced = V (NOM) * 0.95 25 µA OUT OUT Shutdown Current into OUT (Notes 4) En= 0V 1 µA 1.2 VIL SHDN Voltage Threshold VIH 0.4 mV SHDN Input Bias V = 5.5V 1.1 nA SHDN current Low Battery Detector LBI voltage threshold V forced = V (NOM)*1.05 665 670 675 mV OUT OUT LBI input hysteresis V forced = V (NOM)*1.05 15 18 22 mV OUT OUT LBI input current V forced = V (NOM)*1.05 0.02 nA OUT OUT LBO output low voltage Force 20mA into LBO 0.45 0.50 0.6 V LBO output leakage current LBO= 6.0V 0.1 µA |
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