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XR76203-Q Datasheet(PDF) 3 Page - Exar Corporation |
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XR76203-Q Datasheet(HTML) 3 Page - Exar Corporation |
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3 / 20 page  XR76203-Q/XR76205-Q/XR76208-Q 3 / 20 exar.com/XR76203-Q/XR76205-Q/XR76208-Q Rev 1C ©2016-2017 Exar Corporation VCC UVLO Start Threshold, Rising Edge ● 4.00 4.25 4.40 V VCC UVLO Hysteresis 230 mV Reference Voltage VREF Reference Voltage VIN = 5.5V to 40V, VCC regulating 0.596 0.600 0.604 V VIN = 5.5V to 40V, VCC regulating ● 0.594 0.600 0.606 V DC Line Regulation CCM, closed loop, VIN=5.5V-40V, applies to any COUT ±0.33 % DC Load Regulation CCM, closed loop, applies to any COUT ±0.39 % Programmable Constant On-Time TON1 On-Time 1 RON = 237k, VIN = 40V ● 1570 1840 2120 ns f Corresponding to On-Time 1 VOUT= 24V, VIN = 40V, RON = 237k ● 283 326 382 kHz TON(MIN) Minimum Programmable On-Time RON = 14k, VIN = 40V 120 ns TON2 On-Time 2 RON = 14k, VIN = 24V ● 174 205 236 ns TON3 On-Time 3 RON = 35.7k, VIN = 24V ● 407 479 550 ns f Corresponding to On-Time 3 VOUT = 3.3V, VIN = 24V, RON = 35.7k ● 250 287 338 kHz f Corresponding to On-Time 3 VOUT = 5.0V, VIN = 24V, RON = 35.7k ● 379 435 512 kHz Minimum Off-Time ● 250 350 ns Diode Emulation Mode Zero Crossing Threshold DC value measured during test -2 mV Soft-start SS Charge Current ● -14 -10 -6 μA SS Discharge Current Fault present ● 1mA VCC Linear Regulator VCC Output Voltage VIN = 6V to 40V, ILOAD = 0 to 30mA ● 4.8 5.0 5.2 V VIN = 5V, ILOAD = 0 to 20mA ● 4.51 4.7 V Power Good Output Power Good Threshold -10 -6.9 -5 % Power Good Hysteresis 1.6 4 % Power Good Sink Current 1mA Protection: OCP, OTP, Short-Circuit Hiccup Timeout 110 ms ILIM Pin Source Current 45 50 55 μA ILIM Current Temperature Coefficient 0.4 %/°C OCP Comparator Offset ● -8 0 +8 mV Current Limit Blanking GL rising>1V 100 ns Symbol Parameter Conditions Min Typ Max Units |
Similar Part No. - XR76203-Q |
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Similar Description - XR76203-Q |
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