MP2364DF Monolithic Power Systems, MP2364DF Datasheet - Page 3

• Manufacturer Part Number: MP2364DF
• Description: Dual 1.5a, 23V, 1.4mhz Step-down Converter
• Manufacturer: Monolithic Power Systems

ELECTRICAL CHARACTERISTICS
V
Note:
4) Equivalent output current = 1.5A ≥ 50% Duty Cycle
MP2364 Rev. 1.4
3/22/2006
Parameter
Feedback Voltage
Upper Switch-On Resistance R
Lower Switch-On Resistance R
Upper Switch Leakage
Current Limit
Current Limit Gain
Output Current to Comp Pin
Voltage
Error Amplifier Voltage Gain
Error Amplifier
Transconductance
Oscillator Frequency
Short Circuit Frequency
Soft-Start Pin Equivalent
Output Resistance
EN Shutdown Threshold
Voltage
Enable Pull-Up Current
EN UVLO Threshold Rising
EN UVLO Threshold
Hysteresis
Supply Current (Shutdown)
Supply Current (Quiescent)
Thermal Shutdown
Maximum Duty Cycle
Minimum On Time
IN
Assumes ripple current = 30% of load current.
Slope compensation changes current limit above 40% duty cycle.
= 12V, T
A
(4)
TM
= +25°C, unless otherwise noted.
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2.0A ≤ 50% Duty Cycle
Symbol Condition
V
D
DS(ON)1
DS(ON)2
A
G
G
f
V
I
V
I
t
OSC
f
I
UVLO
OFF
ON
MAX
ON
VEA
SC
EN
FB
EN
CS
EA
MP2364 — DUAL 1.5A, 23V, 1.4MHz STEP-DOWN CONVERTER
4.75V ≤ V
V
∆I
V
I
V
V
V
V
CC
EN
FB
EN
EN
EN
FB
© 2006 MPS. All Rights Reserved.
C
> 100µA
= ±10 µA
= 0V
= 0.8V
= 0V, V
Rising
≤ 0.4V
≥ 3V
www.MonolithicPower.com
IN
SW
≤ 23V
= 0V
0.892
2.37
Min
630
2.5
0.7
0.920
0.18
1.95
2.50
Typ
400
930
210
210
160
100
3.0
1.4
1.0
1.0
2.4
10
40
70
9
0.948
1230
Max
2.62
1.3
2.8
10
70
Units
µA/V
MHz
KHz
A/V
V/V
mV
mA
µA
kΩ
µA
µA
°C
ns
%
V
Ω
Ω
A
V
V
3