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AP3591 Datasheet(PDF) 7 Page - Diodes Incorporated

Part # AP3591
Description  SINGLE PHASE SYNCHRONOUS BUCK CONTROLLER
PDF  18 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP3591 Datasheet(HTML) 7 Page - Diodes Incorporated

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AP3591
Document number: DS36906 Rev. 1 - 2
7 of 18
www.diodes.com
March 2014
© Diodes Incorporated
AP3591
A Product Line of
Diodes Incorporated
Electrical Characteristics (Cont. VIN = 12V, VDD = VDDP = 5V, VOUT = 1.05V, TA = +25oC, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOUT AND REFERENCE VOLTAGE
VOUT
Output Voltage
–
0.75
–
5.5
V
RDISCHARGE
Output Discharge Resistance
VEN = 0V
–
20
–
Ω
VFB
Feedback Voltage
VDD = 4.5V to 5.5V
0.742
0.75
0.758
V
IFB
Feedback Bias Current
VFB = 0.75V
-1
–
1
µA
PROTECTION
IOC
Current Limit Source Current
CS to GND
9
10
11
µA
–
IOC Temperature Coefficient
–
–
4500
–
ppm/
oC
VILIM_SET
Current Limit Setting Voltage
Range
CS to GND
30
–
200
mV
VOCL_OFFSET
Over Current Limit Comparator
Offset Voltage
VCS = 60mV,
VCS-GND-VPGND-PHASE
-10
0
10
mV
VZC_OFFSET
Zero Crossing Comparator
Offset Voltage
VPHASE to GND, VEN =
5V
-10
0
10
mV
VUCL_OFFSET
Negative Over Current Limit
Comparator Offset Voltage
EN floating, VCS = 60mV,
VCS-GND-VPHASE-PGND
-10
0
10
mV
VFBOV /VFB
Feedback Over Voltage
Threshold
–
120
125
130
%
tFBOV_D
Feedback Over Voltage Delay
Time
–
–
33
–
µs
VFBUV /VFB
Feedback Under Voltage
Threshold
–
65
70
75
%
tFBUV_D
Feedback Under Voltage
Protection Delay Time
–
–
28
–
µs
tFBUV_EN_D
Feedback Under Voltage
Protection Enable Delay Time
–
1.3
2
3.1
ms
VUVLO
VDD Under Voltage Lock
Threshold
VDD Rising
3.7
3.9
4.1
V
VHYS
VDD Under Voltage Lock
Hysteresis
–
–
300
–
mV
TOTSD
Thermal Shutdown
–
–
+160
–
oC
THYS
Thermal Shutdown Hysteresis
–
–
+20
–
oC
LOGIC THRESHOLD
VENH
EN Control Logic Input Voltage
Setting DEM mode
2.4
2.65
2.9
V
VENH-HYS
Hysteresis
–
25
–
mV
VEN_FT
Setting PWM-only mode
1.9
1.96
2
V
VENL
Shutdown Threshold
0.8
1.24
1.6
V
VENL-HYS
Hysteresis
–
65
–
mV
IEN_PH
EN Pull_up Current
VEN = 0V
–
1
–
µA



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