Ap3585a/b/c, New prod uc t electrical characteristics – Diodes AP3585A/B/C User Manual
Page 5
AP3585A/B/C
Document number: DS36819 Rev.
1 - 2
5 of 18
January 2014
© Diodes Incorporated
AP3585A/B/C
A Product Line of
Diodes Incorporated
NEW PROD
UC
T
Electrical Characteristics
(Cont. V
CC
= 12V, T
A
= +25
o
C, unless otherwise specified.)
Symbol Parameter
Conditions
Min
Typ
Max
Unit
POWER ON RESET
V
POR
V
CC
Rising Threshold
V
CC
Rising
4.0 4.2 4.4 V
V
POR_HYS
V
CC
Threshold Hysteresis
–
– 500 – mV
ERROR AMPLIFIER
G
DC_OL
Open Loop DC Gain
–
55
70
–
dB
G
BW
Gain-bandwidth Product
–
–
10
–
MHz
SR Slew
Rate
–
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
I
UG_SRC
Upper Gate Source Current
V
BOOT
-V
PHASE
= 12V,
V
BOOT
-V
UGATE
= 6V
– -1.0 – A
I
UG_SNK
Upper Gate Sink Current
V
BOOT
-V
PHASE
= 12V,
V
BOOT
-V
UGATE
= 6V
– 1.5 – A
R
UGATE
Upper Gate Sink
Resistance
50mA Source Current
– 2 4 Ω
I
LG_SRC
Lower Gate Source Current
V
CC
-V
LGATE
= 6V
– -1 – A
I
LG_SNK
Lower Gate Sink Current
V
LGATE
= 6V
– 1.5 – A
R
LGATE
Lower Gate Sink
Resistance
50mA Source Current
– 1 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
–
Minimum Duty Cycle
–
–
0
–
%
–
Maximum Duty Cycle
–
75
82
89
%
OSCILLATOR
f
OSC
Oscillator Frequency
AP3585A/B 270
300
330
kHz
AP3585C 180
200
220
∆V
OSC
Ramp
Amplitude
–
– 1.4 – V
P-P
REFERENCE VOLTAGE
V
FB
Feedback Voltage
AP3585A
0.788 0.8 0.812 V
AP3585B/C
0.591 0.6 0.609 V
I
FB
Feedback Bias Current
V
FB
= 5V
– 10 50 nA
PROTECTION
V
FB_UVP
Under Voltage Protection
–
0.3 0.4 0.5 V
V
FB_OVP
Over Voltage Protection
AP3585A
– 1.1 –
V
AP3585B/C
– 0.8 –
I
OCSET
OC Current Source
–
9 10 11 µA
V
OCP_MAX
Built-in Maximum OCP
Voltage
–
– 0.375 –
V
t
SS
Soft-start Interval
AP3585A –
2
–
ms
AP3585B
– 1.5 –
AP3585C
– 2.4 –
V
COMP/EN
Enable Threshold
–
0.25 0.30 0.35 V
T
OTSD
Thermal Shutdown
–
– +160 – ºC
T
HYS
Thermal Shutdown
Hysteresis
–
– +20 – ºC