Datasheet LTC3600 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 15V, 1.5A Synchronous Rail-to-Rail Single Resistor Step-Down Regulator |
| 页数 / 页 | 28 / 6 — Typical perForMance characTerisTics. Transient Response DCM,. Operation, … |
| 文件格式/大小 | PDF / 852 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Transient Response DCM,. Operation, External Compensation
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LTC3600
Typical perForMance characTerisTics Transient Response DCM, Transient Response DCM, Operation, External Compensation Operation, Internal Compensation Output Tracking
ISET VOUT VOUT VOLTAGE 100mV/DIV 100mV/DIV VOUT AC- AC- 2V/DIV ISET COUPLED COUPLED VOLTAGE VOUT IL IL IINDUCTOR 1A/DIV 1A/DIV CURRENT 500mA/DIV 20µs/DIV 3600 G10 20µs/DIV 3600 G11 1ms/DIV 3600 G12 VIN = 12V fSW = 1MHz VIN = 12V fSW =1MHz VOUT = 3.3V RITH = 27.5kΩ, CITH = 250pF VOUT = 3.3V ITH = INTVCC IOUT = 0.1A TO 1A MODE = 0 IOUT = 0.1A TO 1A MODE = 0 L = 4.7µH COUT = 47µF L = 4.7µH COUT = 47µF
Discontinuous Conduction Continuous Conduction Mode Operation Mode Operation Switching Frequency/Period vs RT
3.5 6 I 3.0 L IL 5 1A/DIV 1A/DIV 2.5 4 PERIOD (µs) 2.0 3 t V 1.5 SW SW 5V/DIV VSW FREQUENCY (MHz) 2 5V/DIV 1.0 3600 G13 3600 G14 1 0.5 fSW VIN = 15V VIN = 15V VOUT = 2.5V VOUT = 2.5V 0 0 MODE = 0 MODE = INTVCC 0 50 100 150 200 L = 2.2µH L = 2.2µH RT (kΩ) 3600 G15
Switch Leakage Current INTVCC Load Regulation
10 5.00 VIN = 12V 4.98 8 4.96 6 4.94 MBOT VOLTAGE (V) 4.92 4 CC MTOP INTV 4.90 LEAKAGE CURRENT (µA) 2 4.88 0 4.86 –50 –30 –10 10 30 50 70 90 110 130 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE (°C) INTVCC CURRENT (mA) 3600 G17 3600 G16 3600fd 6 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Transient Response DCM, Transient Response DCM, Operation, External Compensation Operation, Internal Compensation Output Tracking
ISET VOUT VOUT VOLTAGE 100mV/DIV 100mV/DIV VOUT AC- AC- 2V/DIV ISET COUPLED COUPLED VOLTAGE VOUT IL IL IINDUCTOR 1A/DIV 1A/DIV CURRENT 500mA/DIV 20µs/DIV 3600 G10 20µs/DIV 3600 G11 1ms/DIV 3600 G12 VIN = 12V fSW = 1MHz VIN = 12V fSW =1MHz VOUT = 3.3V RITH = 27.5kΩ, CITH = 250pF VOUT = 3.3V ITH = INTVCC IOUT = 0.1A TO 1A MODE = 0 IOUT = 0.1A TO 1A MODE = 0 L = 4.7µH COUT = 47µF L = 4.7µH COUT = 47µF
Discontinuous Conduction Continuous Conduction Mode Operation Mode Operation Switching Frequency/Period vs RT
3.5 6 I 3.0 L IL 5 1A/DIV 1A/DIV 2.5 4 PERIOD (µs) 2.0 3 t V 1.5 SW SW 5V/DIV VSW FREQUENCY (MHz) 2 5V/DIV 1.0 3600 G13 3600 G14 1 0.5 fSW VIN = 15V VIN = 15V VOUT = 2.5V VOUT = 2.5V 0 0 MODE = 0 MODE = INTVCC 0 50 100 150 200 L = 2.2µH L = 2.2µH RT (kΩ) 3600 G15
Switch Leakage Current INTVCC Load Regulation
10 5.00 VIN = 12V 4.98 8 4.96 6 4.94 MBOT VOLTAGE (V) 4.92 4 CC MTOP INTV 4.90 LEAKAGE CURRENT (µA) 2 4.88 0 4.86 –50 –30 –10 10 30 50 70 90 110 130 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE (°C) INTVCC CURRENT (mA) 3600 G17 3600 G16 3600fd 6 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts