Datasheet LT3710 (Analog Devices) - 2

HerstellerAnalog Devices
BeschreibungSecondary Side Synchronous Post Regulator
Seiten / Seite12 / 2 — ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). ELECTRICAL …
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DokumentenspracheEnglisch

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

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

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LT3710
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
VCC Supply Voltage .. 26V TOP VIEW ORDER PART BOOST Pin Voltage With Respect to SW pin ... 10V BOOST 1 16 GBIAS NUMBER BOOST Pin Voltage With Respect to GND pin .. 35V TGATE 2 15 BGATE LT3710EFE SYNC Pin Voltage .. 30V SW 3 14 PGND Operating Junction Temperature Range CSET 4 13 VCC 17 (Notes 2, 3) .. – 40°C to 125°C SYNC 5 12 CL– Storage Temperature Range ... – 65°C to 150°C ILCOMP 6 11 CL+ Lead Temperature (Soldering, 10 sec).. 300°C SS 7 10 VAOUT FE PART Note: If higher than 30V on SYNC pin is needed, add a 10k resistor in series with the pin. V 8 9 FB BGS MARKING FE PACKAGE 3710EFE 16-LEAD PLASTIC TSSOP TJMAX = 125°C, θJA = 38°C/W EXPOSED PAD IS SGND (PIN 17) MUST BE CONNECTED TO PGND AND SOLDERED TO PCB 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. VCC = 11V, operating maximum VCC = 24V, no load on any outputs unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Overall
Supply Voltage (VCC) ● 8 24 V Supply Current (IVCC) VAOUT ≤ 1.2V (Switching Off) 7 12 mA Boost Pin Current VBOOST = VSW + 8V, 0V ≤ VSW ≤ 24V TGATE High 2 3 mA TGATE Low 2 3 mA
Voltage Amplifier VA
Reference Voltage (VREF) 0.788 0.8 0.812 V ● 0.780 0.820 V FB Pin Input Current VFB = VREF 0.2 0.5 µA VAOUT High 4.5 V VAOUT Low 0.8 V VAOUT Source Current ● 100 300 µA Open-Loop Gain 100 dB Gain Bandwidth Product 10 MHz Soft-Start Current 5 12 18 µA
Current Limit Amplifier CA1
Current Limit Threshold at (V + – CL – VCL ) Common Mode Voltage from 0V to VCC – 2.5V ● 50 70 85 mV BGATE Off Threshold at (V + – CL – VCL ), BGS Pin Float Common Mode Voltage from 0V to VCC – 2.5V 0 8 15 mV Switching Off Threshold at ILCOMP VILCOMP 0.15 V Input Current (CL+, CL–) V + – CL = VCL 100 µA 3710f 2