Diodes AP3591 - Manual (Page 6)

AP3591
Document number: DS36906 Rev. 1 - 2
6 of 18
www.diodes.com
March 2014
© Diodes Incorporated
AP3591
N
E
W
P
R
O
D
U
C
T
A Product Line of
Diodes Incorporated
Electrical Characteristics
(V
IN
= 12V, V
DD
= V
DDP
= 5V, V
OUT
= 1.05V, T
A
= +25 o C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
SUPPLY INPUT
V IN Input Voltage – 4.5 – 26 V
I
Q-CCM
Quiescent Current
VDD+VDDP current,
CCM, EN floating, V
FB
=
0.8V
– 500 800 µA
I
Q-DEM
V
DD
+V
DDP
current, DEM,
V
EN
= 5V, V
FB
= 0.8V
– 500 800 µA
I
SHDN
Shutdown Current
V
DD
+V
DDP
current, DEM,
V
EN
= 0V
– 1 10 µA
ON-TIME TIMER, OSCILLATOR FREQUENCY AND SOFT START
t ON On Time
V
PHASE
= 12V, V
OUT
=
2.5V, R ON = 200kΩ
510 630 750
ns
V PHASE = 12V, V OUT =
1.05V, R
ON
= 200kΩ
190 260 330
t
OFF-MIN
Min Off Time – 250 400 580 ns
t
SS
Internal Soft Start Time – 0.82 1.2 1.5 ms
PWM CONTROLLER GATE DRIVERS
R
U_PH
Upper Gate Pull-up Resistance
V
BOOT
-V
PHASE
= 5V,
50mA source current
– 3.3 7 Ω
R
U_GATE
Upper Gate Sink Resistance
V BOOT -V PHASE = 5V,
50mA sink current
– 1 3 Ω
R
L_PH
Lower Gate Pull-up Resistance – – 1.8 4 Ω
R
L_GATE Lower Gate Sink Resistance
V
BOOT
-V
PHASE
= 5V,
50mA source current
– 0.5 2 Ω
–
PHASE Falling to LGATE
Rising Delay
V PHASE < 1.2V to
V
LGATE
> 1.2V
– 30 – ns
–
LGATE Falling to UGATE
Rising Delay
V
LGATE
< 1.2V to
(V
UGATE
-V
PHASE
) > 1.2V
– 30 – ns
V
BOOT
Boot Diode Forward Voltage
V
DDP
-V
BOOT
, I
BOOT
=
10mA
0.5 0.83 1 V
I
BSLK
V
BS
Leakage Current
V
BOOT
= 34V, V
PHASE
=
28V
– 0.1 1 µA
POWER GOOD
–
PGOOD Threshold
PGOOD from low to high 92.5 95 97.5 %
– PGOOD from high to low 102 105 107 %
–
PGOOD Lower Threshold
Hysteresis
– – ±5 – %
V
PG_L PGOOD Low Voltage – – – 0.4 V
I PG_LEAK
PGOOD Output Leakage
Current
V PGOOD = 5V – – 1 µA
t
DELAY
PGOOD Delay Time Delay for PGOOD pin 16 22 36 µs