MP1583 데이터 시트보기 (PDF) - Unspecified
부품명
상세내역
제조사
MP1583 Datasheet PDF : 11 Pages
| |||
Monolithic Power Systems
MP1583
3A, 23V
Step Down Converter
Absolute Maximum Ratings (Note 1)
Supply Voltage VIN
-0.3V to 28V
Switch Voltage VSW
Boost Voltage VBS
All Other Pins
-1V to VIN+0.3V
VSW-0.3V to VSW+6V
-0.3V to 6V
Junction Temperature
150°C
Lead Temperature
260°C
Storage Temperature
-65°C to 150°C
Recommended Operating Conditions (Note 2)
Input Voltage VIN
4.75V to 23V
Ambient Operating Temperature -40°C to +85°C
Package Thermal Characteristics (Note 3)
(SOIC8)
Thermal Resistance, θJA
105°C/W
Thermal Resistance, θJA (w/ Exposed Pad) 50°C/W
Thermal Resistance, θJC (w/ Exposed Pad) 10°C/W
(PDIP8)
Thermal Resistance ΘJA
95°C/W
Thermal Resistance ΘJC
55°C/W
Electrical Characteristics (Unless otherwise specified VIN=12V, TA=25°C)
Parameters
Condition
Min Typ Max Units
Shutdown Supply Current
Supply current
Feedback Voltage
Error Amplifier Voltage Gain
Error Amplifier Transconductance
High Side Switch On Resistance
Low Side Switch On Resistance
High Side Switch Leakage Current
Current Limit
Current Sense to COMP Transconductance
Oscillation Frequency
Short Circuit Oscillation Frequency
Maximum Duty Cycle
Minimum Duty Cycle
EN Threshold Voltage
Enable Pull Up Current
Under Voltage Lockout Threshold
Under Voltage Lockout Threshold Hysteresis
Soft Start Period
Thermal Shutdown
VEN = 0V
VEN = 2.6V; VFB =1.4V
4.75V ≤ VIN ≤ 23V;
VCOMP < 2V
∆ICOMP = ±10 µA
VEN=0V; VSW=0V
VFB = 0V
VFB = 1.0V
VFB = 1.5V
VEN = 0V
VIN Rising
CSS = 0.1µF
20 30
1.0 1.2
1.194 1.222 1.250
400
500 800 1120
100
10
0
10
5.5
3.8
335 385 435
25 40 55
90
0
0.9 1.2 1.5
1.1 1.8 2.5
2.37 2.54 2.71
210
10
160
µA
mA
V
V/V
µA/V
mΩ
Ω
µA
A
A/V
KHz
KHz
%
%
V
µA
V
mV
ms
°C
Note 1. Exceeding these ratings may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Measured on approximately 1” square of 1 oz. Copper with exposed pad area of 6.8mm2 (10.5mils2)
MP1583 Rev 2.0_06/30/04
www.monolithicpower.com
2
Share Link: 