Diodes AP3583/A - Manual (Page 5)

Data Sheet
Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A
Dec. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
5
Electrical Characteristics
V
CC
=12V, T
A
=25 °C, unless otherwise specified.
Parameter Symbol Conditions Min Typ Max Unit
SUPPLY INPUT
Supply Voltage V
CC
4.5 13.2 V
Supply Current I
CC
UGATE 1 and 1 LGATE
Pin 1 Open;
V
CC
=12V, 1 Switching
3 mA
Quiescent Supply Current I
CC_Q
V
FB
=V
REF
+0.1V,
No Switching
2 mA
Power Input Voltage V
IN
3.0 13.2 V
POWER ON RESET
V
CC
Rising Threshold V
POR
V
CC
Rising 4.0 4.2 4.4 V
V
CC
Threshold Hysteresis V
POR_HYS
300 mV
OSCILLATOR
AP3583 180 200 220
Oscillator Frequency f
OSC
AP3583A 270 300 330
kHz
Ramp Amplitude ∆V
OSC
V
CC
=12V 1.0 V
PWM CONTROLLER GATE DRIVERS
Upper Gate Source Current I
UG_SRC
V
BOOT
-V
PHASE
=12V,
V
BOOT
-V
UGATE
=6V
-1 A
Upper Gate Sink Current I
UG_SNK
V
BOOT
-V
PHASE
=12V,
V
BOOT
-V
UGATE
=6V
1.5 A
Upper Gate Sink Resistance R
UGATE
50mA Sink Current
V
BOOT
-V
PHASE
=12V
1.6 3.2 Ω
Lower Gate Source Current I
LG_SRC
V
CC
-V
LGATE
=6V -1 A
Lower Gate Sink Current I
LG_SNK
V
LGATE
=6V 1.5 A
Lower Gate Sink Resistance R
LGATE
V
CC
=12V,
50mA Source Current
1 2 Ω
PHASE Falling to LGATE
Rising Delay V
PHASE
<1.2V to
V
LGATE
>1.2V
50 ns
LGATE Falling to UGATE
Rising Delay V
LGATE
<1.2V to
(V
UGATE
-V
PHASE
)>1.2V
50 ns
Minimum Duty Cycle 0 %
Maximum Duty Cycle 75 80 85 %
REFERENCE VOLTAGE
Feedback Voltage
V
FB
Stand-alone Mode 0.591 0.6 0.609 V