AP5004_10 Datasheet, PDF (4/11 Pages) Diodes Incorporated – PWM CONTROL 2.5A STEP-DOWN CONVERTER

AP5004
PWM CONTROL 2.5A STEP-DOWN CONVERTER
Electrical Characteristics (V_IN = 12V, T_A=25°C, unless otherwise specified)
Symbol
Parameter
Conditions
Min Typ.
V_FB
V_IN
I_STBY
∆V_OUT/V_OUT
∆V_OUT/V_OUT
f_OSC
f_OSC1
DC
V_IH
V_IL
I_SH
I_SL
R_DS(ON)
I_LIMIT
η
θ_JA
θ_JC
Feedback Voltage
Input Voltage
Standby Current
Line Regulation
Load Regulation
Oscillation Frequency
V_EN =0V
V_IN = 10V~32V
I_OUT = 0.1 to 2.5A
Measure waveform at SW pin
Frequency of Current Limit or
Short Circuit Protect
Measure waveform at SW pin
Maximum Duty Cycle
V_FB =0.5V
Minimum Duty Cycle
V_FB =1.0V
EN Pin Logic Input Threshold Regulator ON
Voltage
Regulator OFF
EN Pin Input Leakage Current
Internal MOSFET R_DS(ON)
Current Limit
Efficiency
V_IN = 12V, V_OUT = 5V, I_OUT = 2.5A
Thermal Resistance Junction-
to-Ambient
SOP-8L (Note 3)
Thermal Resistance Junction-
to-Case
SOP-8L (Note 3)
0.780 0.8
10
-
-
2
- ^±1.0
-
1
240 300
-
50
-
90
-
0
2.0
-
-
-
-
20
-
-10
-
80
3.5
-
-
90
-
124
-
25
Notes: 3. Test condition for SOP-8L: Device mounted on 2oz copper, minimum recommended pad layout, FR-4 PCB.
Max Unit
0.820 V
32 V
- µA
±1.5 _%/V
1.5 %
360 KHz
- KHz
-
%
-
%
-
V
0.8
- µA
- µA
120 mΩ
-
A
-
%
- ^oC/W
- ^oC/W
AP5004
Document number: DS31444 Rev. 5 - 2
4 of 11
www.diodes.com
August 2010
© Diodes Incorporated