MP2303DN Monolithic Power Systems, MP2303DN Datasheet - Page 3

• Manufacturer Part Number: MP2303DN
• Description: 3A, 28V, 340khz Synchronous Rectified Step-down Converter
• Manufacturer: Monolithic Power Systems

ELECTRICAL CHARACTERISTICS
V
Note:
4) 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
MP2303 Rev. 0.92
5/2/2006
Parameter
High-Side Switch-On Resistance
Low-Side Switch-On Resistance
High-Side Switch Leakage Current
Upper-Switch Current Limit
Lower-Switch Current Limit
COMP to Current Sense
Transconductance
Oscillation Frequency
Short Circuit Oscillation Frequency
Maximum Duty Cycle
Minimum On-Time
EN Shutdown Threshold Voltage
EN Shutdown Threshold Voltage
Hysteresis
EN Lockout Threshold Voltage
EN Lockout Hysteresis
Input Under Voltage Lockout
Threshold
Input Under Voltage Lockout
Threshold Hysterisis
Soft-Start Current
Thermal Shutdown
IN
= 12V, T
A
TM
= +25°C, unless otherwise noted.
MP2303 – 3A, 28V, 340KHz SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
Symbol Condition
R
R
UVLO
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE
D
DS(ON)1
DS(ON)2
F
F
G
osc1
osc2
MAX
© 2006 MPS. All Rights Reserved.
CS
www.MonolithicPower.com
V
From Drain to Source
T
–40
V
V
V
–40
V
–40
V
A
EN
FB
FB
EN
IN
SS
(4)
= +25
rising, T
°
°
°
= 0V
= 0.7V
= 0V
= 0V, V
Rising
C ≤ T
C ≤ T
C ≤ T
(continued)
°
C
A
A
A
SW
A
≤ +85
≤ +85
≤ +85
= +25
= 0V
°
°
°
C
C
C
°
C
Min
300
270
4.3
1.1
2.2
2.1
3.8
3.5
Typ
1.25
4.05
125
125
340
110
220
220
210
210
160
6.3
1.5
2.5
90
0
9
6
(4)
Max
4.30
4.70
380
400
2.0
2.7
2.8
10
Units
KHz
KHz
KHz
mΩ
mΩ
A/V
mV
mV
mV
µA
µA
°C
ns
%
A
A
V
V
V
V
V
3