MP1583 MPS, MP1583 Datasheet - Page 2

• Manufacturer Part Number: MP1583
• Description: Step Down Converter
• Manufacturer: MPS

Absolute Maximum Ratings
Supply Voltage V
Switch Voltage V
Boost Voltage V
All Other Pins
Junction Temperature
Lead Temperature
Storage Temperature
Electrical Characteristics
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 6.8mm
MP1583 Rev 2.0_06/30/04
Monolithic Power Systems
Parameters
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
BS
SW
IN
V
SW
-0.3V to V
-1V to V
-65°C to 150°C
-0.3V to 28V
(Unless otherwise specified V
-0.3V to 6V
(Note 1)
IN
SW
150°C
260°C
+0.3V
+6V
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Condition
V
V
4.75V ≤ V
V
∆I
V
V
V
V
V
V
C
EN
EN
COMP
EN
FB
FB
FB
EN
IN
SS
COMP
=0V; V
Rising
= 0V
= 1.0V
= 1.5V
= 0V
= 2.6V; V
= 0V
= 0.1µF
< 2V
Recommended Operating Conditions
Input Voltage V
Ambient Operating Temperature
Package Thermal Characteristics
(SOIC8)
Thermal Resistance, θ
Thermal Resistance, θ
Thermal Resistance, θ
(PDIP8)
Thermal Resistance Θ
Thermal Resistance Θ
= ±10 µA
IN
SW
≤ 23V;
=0V
FB
=1.4V
IN
=12V, T
IN
Step Down Converter
A
=25°C)
JA
JC
JA
JA
JC
Min
1.194
2.37
500
335
0.9
1.1
25
(w/ Exposed Pad) 50°C/W
(w/ Exposed Pad) 10°C/W
Typ
1.222
2.54
400
800
100
210
160
385
1.0
5.5
3.8
1.2
1.8
20
10
40
90
10
0
MP1583
-40°C to +85°C
2
(10.5mils
4.75V to 23V
Max
1.250
1120
2.71
435
1.2
1.5
2.5
30
10
55
3A, 23V
0
105°C/W
(Note 3)
(Note 2)
95°C/W
55°C/W
Units
2
µA/V
)
KHz
KHz
V/V
mΩ
A/V
mA
mV
ms
µA
µA
µA
°C
%
%
Ω
V
A
V
V
2