Datasheet LTC3723 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Synchronous Push-Pull PWM Controllers |
| Páginas / Página | 20 / 2 — ABSOLUTE AXI U. RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. Order … |
| Formato / tamaño de archivo | PDF / 347 Kb |
| Idioma del documento | Inglés |
ABSOLUTE AXI U. RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. Order Options. ELECTRICAL CHARACTERISTICS The
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LTC3723-1/LTC3723-2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
VCC to GND (Low Impedance Source) ...– 0.3V to 10V VREF Output Current ... Self-Regulated (Chip Self-Regulates at 10.3V) Operating Temperature (Notes 5,6) UVLO to GND ... – 0.3V to VCC LTC3723E ... – 40°C to 85°C All Other Pins to GND Storage Temperature Range ... – 65°C to 125°C (Low Impedance Source) ...– 0.3V to 5.5V Lead Temperature (Soldering, 10sec)... 300°C VCC (Current Fed) ... 40mA
U W U PACKAGE/ORDER I FOR ATIO
TOP VIEW TOP VIEW V 1 16 REF SPRG V 1 16 REF SPRG SDRB 2 15 UVLO SDRB 2 15 UVLO SDRA 3 14 SS SDRA 3 14 SS DRVB 4 13 FB DRVB 4 13 FB V 5 12 CC RLEB V 5 12 CC DPRG DRVA 6 11 COMP DRVA 6 11 COMP GND 7 10 CS GND 7 10 CS C 8 9 T DPRG C 8 9 T RAMP GN PACKAGE GN PACKAGE 16-LEAD PLASTIC SSOP 16-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 100°C/W TJMAX = 125°C, θJA = 100°C/W ORDER PART NUMBER GN PART MARKING ORDER PART NUMBER GN PART MARKING LTC3723EGN-1 37231 LTC3723EGN-2 37232
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ 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 = 9.5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply
VCCUV VCC Undervoltage Lockout Measured on VCC 10.25 10.7 V VCCHY VCC UVLO Hysteresis Measured on VCC 3.8 4.2 V ICCST Start-Up Current VCC = VUVLO – 0.3V ● 145 230 µA ICCRN Operating Current No Load on Outputs 3 8 mA VSHUNT Shunt Regulator Voltage Current into VCC = 10mA 10.3 10.8 V RSHUNT Shunt Resistance Current into VCC = 10mA to 17mA 1.4 3.5 Ω SUVLO System UVLO Threshold Measured on UVLO Pin, 10mA into VCC 4.8 5.0 5.2 V SHYST System UVLO Hysteresis Current Current Flows Out of UVLO Pin, 10mA into VCC 8.5 10 11.5 µA
Pulse Width Modulator
ROS Ramp Offset Voltage Measured on COMP, RAMP = 0V 0.65 V IRMP Ramp Discharge Current RAMP = 1V, COMP = 0V, CT = 4V, 3723-1 Only 50 mA 372312f 2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
VCC to GND (Low Impedance Source) ...– 0.3V to 10V VREF Output Current ... Self-Regulated (Chip Self-Regulates at 10.3V) Operating Temperature (Notes 5,6) UVLO to GND ... – 0.3V to VCC LTC3723E ... – 40°C to 85°C All Other Pins to GND Storage Temperature Range ... – 65°C to 125°C (Low Impedance Source) ...– 0.3V to 5.5V Lead Temperature (Soldering, 10sec)... 300°C VCC (Current Fed) ... 40mA
U W U PACKAGE/ORDER I FOR ATIO
TOP VIEW TOP VIEW V 1 16 REF SPRG V 1 16 REF SPRG SDRB 2 15 UVLO SDRB 2 15 UVLO SDRA 3 14 SS SDRA 3 14 SS DRVB 4 13 FB DRVB 4 13 FB V 5 12 CC RLEB V 5 12 CC DPRG DRVA 6 11 COMP DRVA 6 11 COMP GND 7 10 CS GND 7 10 CS C 8 9 T DPRG C 8 9 T RAMP GN PACKAGE GN PACKAGE 16-LEAD PLASTIC SSOP 16-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 100°C/W TJMAX = 125°C, θJA = 100°C/W ORDER PART NUMBER GN PART MARKING ORDER PART NUMBER GN PART MARKING LTC3723EGN-1 37231 LTC3723EGN-2 37232
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ 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 = 9.5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply
VCCUV VCC Undervoltage Lockout Measured on VCC 10.25 10.7 V VCCHY VCC UVLO Hysteresis Measured on VCC 3.8 4.2 V ICCST Start-Up Current VCC = VUVLO – 0.3V ● 145 230 µA ICCRN Operating Current No Load on Outputs 3 8 mA VSHUNT Shunt Regulator Voltage Current into VCC = 10mA 10.3 10.8 V RSHUNT Shunt Resistance Current into VCC = 10mA to 17mA 1.4 3.5 Ω SUVLO System UVLO Threshold Measured on UVLO Pin, 10mA into VCC 4.8 5.0 5.2 V SHYST System UVLO Hysteresis Current Current Flows Out of UVLO Pin, 10mA into VCC 8.5 10 11.5 µA
Pulse Width Modulator
ROS Ramp Offset Voltage Measured on COMP, RAMP = 0V 0.65 V IRMP Ramp Discharge Current RAMP = 1V, COMP = 0V, CT = 4V, 3723-1 Only 50 mA 372312f 2