Diodes AP3586A/B/C - Manual (Page 6)

Data sheet
Single Phase Synchronous Buck PWM Controller AP3586A/B/C
Mar. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
6
Electrical Characteristics
V
CC
=12V, T
A
=25 °C, unless otherwise specified.
Parameter Symbol Conditions Min Typ Max Unit
SUPPLY INPUT
Supply Current I
CC
UGATE and LGATE Pins
Open; Switching
5 mA
Quiescent Supply Current I
CC_Q
V
FB
=V
REF
+0.1V,
No Switching
4 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
500 mV
OSCILLATOR
For AP3586A/B 270 300 330 kHz
Oscillator Frequency f
OSC
For AP3586C 180 200 220 kHz
Ramp Amplitude ∆V
OSC
1.4 V
P-P
ERROR AMPLIFIER
Open Loop DC Gain G
DC_OL
55 70 dB
Gain-bandwidth Product G
BW
10 MHz
Slew Rate SR 3 6 V/ µs
Transconductance 800 1100 µA/V
Output Source Current V
FB
<V
REF
80 120 µA
Output Sink Current V
FB
>V
REF
80 120 µA
PWM CONTROLLER GATE DRIVERS
Upper Gate Source
Current
I
UG_SRC
V
BOOT
-V
PHASE
=12V,
V
BOOT
-V
UGATE
=6V
-1.0 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 Source Current 2 4 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
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