Datasheet LT1249 (Linear Technology) - 2
| Hersteller | Linear Technology |
| Beschreibung | Power Factor Controller |
| Seiten / Seite | 12 / 2 — ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. ELECTRICAL … |
| Revision | S |
| Dateiformat / Größe | PDF / 203 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. ELECTRICAL CHARACTERISTICS The
Modelllinie für dieses Datenblatt
Textversion des Dokuments
LT1249
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION
Supply Voltage ... 27V ORDER PART GTDR Current Continuous ... 0.5A TOP VIEW NUMBER GTDR Output Energy (Per Cycle) ... 5µJ GND 1 8 GTDR IAC Input Current ... 20mA LT1249CN8 CA 2 OUT 7 VCC V LT1249IN8 SENSE Input Voltage .. VMAX M 3 OUT 6 VSENSE M LT1249CS8 OUT Input Current .. ± 5mA I 4 AC 5 VAOUT Operating Junction Temperature Range LT1249IS8 LT1249C .. 0°C to 100°C N8 PACKAGE 8-LEAD PDIP S8 PART LT1249I ... – 40°C to 125°C S8 PACKAGE 8-LEAD PLASTIC SO MARKING Thermal Resistance (Junction-to-Ambient) N8 Package .. 100°C/W TJMAX = 125°C, θJA = 100°C/W (N8) T 1249 JMAX = 125°C, θJA = 120°C/ W (S8) S8 Package ... 120°C/W 1249I Storage Temperature Range ..–65°C to 150°C Consult factory for Military grade parts. Lead Temperature (Soldering, 10 sec)... 300°C
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the operating temperature range, otherwise specifications are at TA = 25
°
C. Maximum operating voltage (VMAX) = 25V, VCC = 18V, IAC = 100
µ
A, CAOUT = 3.5V, VAOUT = 5V, no load on any outputs, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Overall
Supply Current (VCC in Undervoltage Lockout) VCC = Lockout Voltage – 0.2V ● 0.25 0.45 mA Supply Current, On 11.5V ≤ VCC ≤ VMAX, CAOUT = 1V ● 9 12 mA VCC Turn-On Threshold ● 15.5 16.5 17.5 V VCC Turn-Off Threshold ● 9.5 10.5 11.5 V
Voltage Amplifier
VSENSE Bias Current VSENSE = 0V to 7V ● –25 –250 nA Voltage Amp Gain 70 100 dB Voltage Amp Unity-Gain Bandwidth 1.5 MHz Voltage Amp Output High 0 ≤ Source Current ≤ 50µA ● 10 12 V Voltage Amp Output Low 0 ≤ Sink Current ≤ 5µA ● 0.1 0.4 V Voltage Amp Source Current ● 130 260 450 µA Voltage Amp Sink Current Threshold Linear Operation, 2V < VAOUT < 10V ● 33 44 57 µA Voltage Amp Sink Current Hysteresis 2V < VAOUT < 10V ● 14 22.5 30 µA
Current Amplifier
Current Amp Offset Voltage ● ±2 ±15 mV Current Amp Transconductance ∆ICAOUT = ±40µA ● 150 320 550 µmho Current Amp Voltage Gain 2.5V ≤ VCAOUT ≤ 7.5V 500 1000 V/V Current Amp Source Current VMOUT = 1V, IM = 0µA 100 145 220 µA Current Amp Sink Current VMOUT = – 0.3V, IM = 0µA 67 95 125 µA Current Amp Output High 7.4 8.1 V Current Amp Output Low 1.2 2 V 2
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION
Supply Voltage ... 27V ORDER PART GTDR Current Continuous ... 0.5A TOP VIEW NUMBER GTDR Output Energy (Per Cycle) ... 5µJ GND 1 8 GTDR IAC Input Current ... 20mA LT1249CN8 CA 2 OUT 7 VCC V LT1249IN8 SENSE Input Voltage .. VMAX M 3 OUT 6 VSENSE M LT1249CS8 OUT Input Current .. ± 5mA I 4 AC 5 VAOUT Operating Junction Temperature Range LT1249IS8 LT1249C .. 0°C to 100°C N8 PACKAGE 8-LEAD PDIP S8 PART LT1249I ... – 40°C to 125°C S8 PACKAGE 8-LEAD PLASTIC SO MARKING Thermal Resistance (Junction-to-Ambient) N8 Package .. 100°C/W TJMAX = 125°C, θJA = 100°C/W (N8) T 1249 JMAX = 125°C, θJA = 120°C/ W (S8) S8 Package ... 120°C/W 1249I Storage Temperature Range ..–65°C to 150°C Consult factory for Military grade parts. Lead Temperature (Soldering, 10 sec)... 300°C
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the operating temperature range, otherwise specifications are at TA = 25
°
C. Maximum operating voltage (VMAX) = 25V, VCC = 18V, IAC = 100
µ
A, CAOUT = 3.5V, VAOUT = 5V, no load on any outputs, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Overall
Supply Current (VCC in Undervoltage Lockout) VCC = Lockout Voltage – 0.2V ● 0.25 0.45 mA Supply Current, On 11.5V ≤ VCC ≤ VMAX, CAOUT = 1V ● 9 12 mA VCC Turn-On Threshold ● 15.5 16.5 17.5 V VCC Turn-Off Threshold ● 9.5 10.5 11.5 V
Voltage Amplifier
VSENSE Bias Current VSENSE = 0V to 7V ● –25 –250 nA Voltage Amp Gain 70 100 dB Voltage Amp Unity-Gain Bandwidth 1.5 MHz Voltage Amp Output High 0 ≤ Source Current ≤ 50µA ● 10 12 V Voltage Amp Output Low 0 ≤ Sink Current ≤ 5µA ● 0.1 0.4 V Voltage Amp Source Current ● 130 260 450 µA Voltage Amp Sink Current Threshold Linear Operation, 2V < VAOUT < 10V ● 33 44 57 µA Voltage Amp Sink Current Hysteresis 2V < VAOUT < 10V ● 14 22.5 30 µA
Current Amplifier
Current Amp Offset Voltage ● ±2 ±15 mV Current Amp Transconductance ∆ICAOUT = ±40µA ● 150 320 550 µmho Current Amp Voltage Gain 2.5V ≤ VCAOUT ≤ 7.5V 500 1000 V/V Current Amp Source Current VMOUT = 1V, IM = 0µA 100 145 220 µA Current Amp Sink Current VMOUT = – 0.3V, IM = 0µA 67 95 125 µA Current Amp Output High 7.4 8.1 V Current Amp Output Low 1.2 2 V 2