Datasheet LT1300 - 2
| Descripción | Micropower High Efficiency 3.3/5V Step-Up DC/DC Converter |
| Páginas / Página | 8 / 2 — ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. ELECTRICAL … |
| Formato / tamaño de archivo | PDF / 230 Kb |
| Idioma del documento | Inglés |
ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. ELECTRICAL CHARACTERISTICS TA = 25. C, VIN = 2V unless otherwise noted
Versión de texto del documento
LT1300
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION
VIN Voltage .. 10V TOP VIEW ORDER PART SW1 Voltage .. 20V NUMBER Sense Voltage .. 10V GND 1 8 PGND SHUTDOWN Voltage.. 10V SEL 2 7 SW LT1300CN8 SELECT Voltage ... 10V SHDN 3 6 VIN LT1300CS8 SENSE 4 I I 5 LIM LIM Voltage .. 0.5V Maximum Power Dissipation ... 500mW N8 PACKAGE S8 PACKAGE 8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC S8 PART MARKING Operating Temperature Range ... 0°C to 70°C Storage Temperature Range ... – 65°C to 150°C TJMAX = 100°C, θJA = 150°C/ W 1300 Lead Temperature (Soldering, 10 sec).. 300°C Consult factory for Industrial grade parts.
ELECTRICAL CHARACTERISTICS TA = 25
°
C, VIN = 2V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IQ Quiescent Current VSHDN = 0.5V, VSEL = 5V, VSENSE = 5.5V ● 120 200 µA VSHDN = 1.8V ● 7 15 µA VIN Input Voltage Range 1.8 V ● 2.0 V VOUT Output Sense Voltage VSEL = 5V ● 4.80 5.0 5.20 V VSEL = 0V ● 3.15 3.3 3.45 V Output Referred VSEL = 5V (Note 1) ● 22 50 mV Comparator Hysteresis VSEL = 0V (Note 1) ● 14 35 mV Oscillator Frequency Current Limit not Asserted. See Test Circuit. 120 155 185 kHz Oscillator TC 0.2 %/ °C DC Maximum Duty Cycle 75 86 95 % tON Switch On Time Current Limit not Asserted. 5.6 µs Output Line Regulation 1.8V < VIN < 6V ● 0.06 0.15 %/V VCESAT Switch Saturation Voltage ISW = 700mA ● 130 200 mV Switch Leakage Current VSW = 5V, Switch Off ● 0.1 10 µA Peak Switch Current ILIM Floating (See Typical Application) 0.75 1.0 1.25 A (Internal Trip Point) ILIM Grounded 0.4 A VSHDNH Shutdown Pin High ● 1.8 V VSHDNL Shutdown Pin Low 0.5 V VSELH Select Pin High ● 1.5 V VSELL Select Pin Low ● 0.8 V ISHDN Shutdown Pin Bias Current VSHDN = 5V ● 9 20 µA VSHDN = 2V ● 3 µA VSHDN = 0V ● 0.1 1 µA ISEL Select Pin Bias Current 0V < VSEL < 5V ● 1 3 µA The ● denotes specifications which apply over the 0°C to 70°C
Note 1:
Hysteresis specified is DC. Output ripple may be higher if temperature range. output capacitance is insufficient or capacitor ESR is excessive. See applications section. 2
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION
VIN Voltage .. 10V TOP VIEW ORDER PART SW1 Voltage .. 20V NUMBER Sense Voltage .. 10V GND 1 8 PGND SHUTDOWN Voltage.. 10V SEL 2 7 SW LT1300CN8 SELECT Voltage ... 10V SHDN 3 6 VIN LT1300CS8 SENSE 4 I I 5 LIM LIM Voltage .. 0.5V Maximum Power Dissipation ... 500mW N8 PACKAGE S8 PACKAGE 8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC S8 PART MARKING Operating Temperature Range ... 0°C to 70°C Storage Temperature Range ... – 65°C to 150°C TJMAX = 100°C, θJA = 150°C/ W 1300 Lead Temperature (Soldering, 10 sec).. 300°C Consult factory for Industrial grade parts.
ELECTRICAL CHARACTERISTICS TA = 25
°
C, VIN = 2V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IQ Quiescent Current VSHDN = 0.5V, VSEL = 5V, VSENSE = 5.5V ● 120 200 µA VSHDN = 1.8V ● 7 15 µA VIN Input Voltage Range 1.8 V ● 2.0 V VOUT Output Sense Voltage VSEL = 5V ● 4.80 5.0 5.20 V VSEL = 0V ● 3.15 3.3 3.45 V Output Referred VSEL = 5V (Note 1) ● 22 50 mV Comparator Hysteresis VSEL = 0V (Note 1) ● 14 35 mV Oscillator Frequency Current Limit not Asserted. See Test Circuit. 120 155 185 kHz Oscillator TC 0.2 %/ °C DC Maximum Duty Cycle 75 86 95 % tON Switch On Time Current Limit not Asserted. 5.6 µs Output Line Regulation 1.8V < VIN < 6V ● 0.06 0.15 %/V VCESAT Switch Saturation Voltage ISW = 700mA ● 130 200 mV Switch Leakage Current VSW = 5V, Switch Off ● 0.1 10 µA Peak Switch Current ILIM Floating (See Typical Application) 0.75 1.0 1.25 A (Internal Trip Point) ILIM Grounded 0.4 A VSHDNH Shutdown Pin High ● 1.8 V VSHDNL Shutdown Pin Low 0.5 V VSELH Select Pin High ● 1.5 V VSELL Select Pin Low ● 0.8 V ISHDN Shutdown Pin Bias Current VSHDN = 5V ● 9 20 µA VSHDN = 2V ● 3 µA VSHDN = 0V ● 0.1 1 µA ISEL Select Pin Bias Current 0V < VSEL < 5V ● 1 3 µA The ● denotes specifications which apply over the 0°C to 70°C
Note 1:
Hysteresis specified is DC. Output ripple may be higher if temperature range. output capacitance is insufficient or capacitor ESR is excessive. See applications section. 2