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TDA3664 Datasheet(PDF) 6 Page - NXP Semiconductors |
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TDA3664 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 16 page TDA3664_7 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 07 — 25 June 2007 6 of 16 NXP Semiconductors TDA3664 Very low dropout voltage/quiescent current 5 V voltage regulator [1] The regulator output will follow VP if VP <VREG +VREG(drop) [2] TDA3664TT: IREG ≤ 15 mA at Tamb ≤ 125 °C; IREG ≤ 30 mA at Tamb ≤ 85 °C. 11. Application information 11.1 Noise The output noise is determined by the value of the output capacitor (see Table 7). [1] Measured at a bandwidth of 10 Hz to 100 kHz 11.2 Stability For stable operation: • The maximum output capacitor ESR should not exceed 22 Ω (worst-case) and for the minimum ESR, see Table 8. • The ESR of the output capacitor is limited. • See Table 8 for the minimum ESR values of the output capacitor, at Tamb given the load and output capacitance. Regulator output: pin REG VREG output voltage 8 V ≤ V P ≤ 22 V; IREG = 0.5 mA 4.8 5.0 5.2 V 6V ≤ VP ≤ 45 V; IREG = 0.5 mA 4.75 5.0 5.25 V 0.5 mA ≤ IREG ≤ 100 mA [2] 4.75 5.0 5.25 V 6V ≤ VP ≤ 45 V 4.75 5.0 5.25 V VREG(drop) dropout voltage VP = 4.5 V; IREG = 50 mA; Tamb ≤ 85 °C - 0.18 0.3 V VREG(stab) output voltage long-term stability per 1000 h - 20 - mV ∆VREG(line) line regulation voltage 8 V ≤ V P ≤ 16 V; IREG = 0.5 mA - 1 10 mV 7V ≤ VP ≤ 22 V; IREG = 0.5 mA - 1 30 mV 7V ≤ VP ≤ 45 V; IREG = 0.5 mA - 1 50 mV ∆VREG(load) load regulation voltage 0.5 mA ≤ I REG ≤ 50 mA - 10 50 mV SVRR supply voltage ripple rejection fi = 120 Hz; Vi(ripple) = 1 V (RMS); IREG = 0.5 mA 50 60 - dB IREG(crl) current limit VREG > 4.5 V 0.17 0.25 A ILO(rp) output leakage current at reverse polarity VP = −15 V; VREG = ≤ 0.3 V - 1 500 µA Table 6: Characteristics …continued VP = 14.4 V; Tamb =25 °C; measured with test circuit of Figure 15; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit Table 7: Noise figures Output current IO (mA) Noise figure ( µV)[1] C2=10 µF C2=47 µF C2 = 100 µF 0.5 550 320 300 50 650 400 400 |
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