Datasheet LT1307, LT1307B (Analog Devices) - 2

HerstellerAnalog Devices
BeschreibungSingle Cell Micropower 600kHz PWM DC/DC Converters
Seiten / Seite20 / 2 — ABSOLUTE AXI U RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. ELECTRICAL …
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ABSOLUTE AXI U RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. ELECTRICAL CHARACTERISTICS. The

ABSOLUTE AXI U RATI GS (Note 1) PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS The

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Textversion des Dokuments

LT1307/LT1307B
W W W U ABSOLUTE AXI U RATI GS (Note 1)
VIN, SHDN, LBO Voltage ... 12V Junction Temperature ... 125°C SW Voltage ... 30V Operating Temperature Range FB Voltage ... VIN + 1V Commercial (Note 2) ... – 20°C to 70°C VC Voltage .. 2V Industrial ... – 40°C to 85°C LBI Voltage .. 0V ≤ VLBI ≤ 1V Storage Temperature Range .. – 65°C to 150°C Current into FB Pin .. ±1mA Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER I FOR ATIO
ORDER PART ORDER PART NUMBER NUMBER TOP VIEW TOP VIEW LT1307CMS8 V 1 8 LBO LT1307CN8 C V 1 C 8 LBO LT1307BCMS8 FB LT1307CS8 2 7 LBI FB 2 7 LBI SHDN 3 6 V LT1307IS8 IN SHDN 3 6 VIN GND 4 5 SW LT1307BCS8 GND 4 5 SW MS8 PACKAGE LT1307BIS8 8-LEAD PLASTIC MSOP N8 PACKAGE S8 PACKAGE T 8-LEAD PDIP 8-LEAD PLASTIC SO JMAX = 125°C, θJA = 160°C/W MS8 PART MARKING S8 PART MARKING TJMAX = 125°C, θJA = 100°C/W (N8) TJMAX = 125°C, θJA = 120°C/W (S8) LTIC 1307 1307I LTIB 1307B 1307BI Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The

denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Commercial Grade 0
°
C to 70
°
C. VIN = 1.1V, VSHDN = VIN, LT1307/LT1307B unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IQ Quiescent Current Not Switching (LT1307) ● 50 90 µA Not Switching (LT1307B) ● 1.0 1.5 mA VSHDN = 0V ● 1 3 µA VFB Feedback Voltage ● 1.20 1.22 1.24 V IB FB Pin Bias Current (Note 3) VFB = VREF ● 27 60 nA Reference Line Regulation 1V ≤ VIN ≤ 2V (25°C, 0°C) 0.6 1.1 %/V 1V ≤ VIN ≤ 2V (70°C) 1.5 %/V 2V ≤ VIN ≤ 5V ● 0.3 0.8 %/V Minimum Input Voltage 0.92 1 V Input Voltage Range ● 1 5 V gm Error Amp Transconductance ∆I = 5µA ● 25 35 65 µmhos AV Error Amp Voltage Gain 25°C, 0°C 35 100 V/V 70°C 30 V/V fOSC Switching Frequency ● 550 600 750 kHz 1307fa 2