Datasheet LTC3406B-1.2 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| 页数 / 页 | 12 / 2 — ABSOLUTE AXI U RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). ELECTRICAL … |
| 文件格式/大小 | PDF / 276 Kb |
| 文件语言 | 英语 |
ABSOLUTE AXI U RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). ELECTRICAL CHARACTERISTICS The
该数据表的模型线
文件文字版本
LTC3406B-1.2
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
Input Supply Voltage .. – 0.3V to 6V ORDER PART RUN, VOUT Voltages... – 0.3V to VIN TOP VIEW NUMBER SW Voltage (DC) ... – 0.3V to (VIN + 0.3V) RUN 1 5 VOUT LTC3406BES5-1.2 P-Channel Switch Source Current (DC) ... 800mA GND 2 N-Channel Switch Sink Current (DC) ... 800mA SW 3 4 VIN Peak SW Sink and Source Current (VIN = 3V).. 1.3A S5 PACKAGE S5 PART MARKING Operating Temperature Range (Note 2) .. – 40°C to 85°C 5-LEAD PLASTIC TSOT-23 TJMAX = 125°C, θJA = 250°C/ W, θJC = 90°C/ W LTBMR Junction Temperature (Notes 3, 5) .. 125°C Storage Temperature Range .. – 65°C to 150°C Lead Temperature (Soldering, 10 sec)... 300°C Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VIN = 3.6V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOUT Regulated Output Voltage ● 1.164 1.2 1.236 V ∆VOVL Output Overvoltage Lockout ∆VOVL = VOVL – VOUT 2.5 6.25 10 % ∆VOUT Output Voltage Line Regulation VIN = 2.5V to 5.5V ● 0.04 0.4 %/V IPK Peak Inductor Current VIN = 3V, VOUT = 1.08V, Duty Cycle < 35% 0.75 1 1.25 A VLOADREG Output Voltage Load Regulation 0.5 % VIN Input Voltage Range ● 2.5 5.5 V IS Input DC Bias Current (Note 4) VOUT = 1.08V 300 400 µA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 µA fOSC Oscillator Frequency VOUT = 1.2V ● 1.2 1.5 1.8 MHz VOUT = 0V 210 kHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.4 0.5 Ω RNFET RDS(ON) of N-Channel FET ISW = –100mA 0.35 0.45 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5V, VIN = 5V ±0.01 ±1 µA VRUN RUN Threshold ● 0.3 1 1.5 V IRUN RUN Leakage Current ● ±0.01 ±1 µA sn3406b12 3406b12fs 2
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
Input Supply Voltage .. – 0.3V to 6V ORDER PART RUN, VOUT Voltages... – 0.3V to VIN TOP VIEW NUMBER SW Voltage (DC) ... – 0.3V to (VIN + 0.3V) RUN 1 5 VOUT LTC3406BES5-1.2 P-Channel Switch Source Current (DC) ... 800mA GND 2 N-Channel Switch Sink Current (DC) ... 800mA SW 3 4 VIN Peak SW Sink and Source Current (VIN = 3V).. 1.3A S5 PACKAGE S5 PART MARKING Operating Temperature Range (Note 2) .. – 40°C to 85°C 5-LEAD PLASTIC TSOT-23 TJMAX = 125°C, θJA = 250°C/ W, θJC = 90°C/ W LTBMR Junction Temperature (Notes 3, 5) .. 125°C Storage Temperature Range .. – 65°C to 150°C Lead Temperature (Soldering, 10 sec)... 300°C Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VIN = 3.6V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOUT Regulated Output Voltage ● 1.164 1.2 1.236 V ∆VOVL Output Overvoltage Lockout ∆VOVL = VOVL – VOUT 2.5 6.25 10 % ∆VOUT Output Voltage Line Regulation VIN = 2.5V to 5.5V ● 0.04 0.4 %/V IPK Peak Inductor Current VIN = 3V, VOUT = 1.08V, Duty Cycle < 35% 0.75 1 1.25 A VLOADREG Output Voltage Load Regulation 0.5 % VIN Input Voltage Range ● 2.5 5.5 V IS Input DC Bias Current (Note 4) VOUT = 1.08V 300 400 µA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 µA fOSC Oscillator Frequency VOUT = 1.2V ● 1.2 1.5 1.8 MHz VOUT = 0V 210 kHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.4 0.5 Ω RNFET RDS(ON) of N-Channel FET ISW = –100mA 0.35 0.45 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5V, VIN = 5V ±0.01 ±1 µA VRUN RUN Threshold ● 0.3 1 1.5 V IRUN RUN Leakage Current ● ±0.01 ±1 µA sn3406b12 3406b12fs 2