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AP5725FDCG-7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
AP5725
WHITE LED STEP-UP CONVERTER
AP5725
Document number: DS31844 Rev. 3 - 2
4 of 17
www.diodes.com
July 2010
© Diodes Incorporated
Electrical Characteristics (V
IN
= 3.6V, T
A
= 25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ. Max Unit
System Supply Input
V
IN
Operating Input Voltage 2.7 - 5.5 V
UVLO Under Voltage Lockout - 2.2 2.4 V
Under Voltage Lockout Hysteretic - 85 - mV
I
Q
Quiescent Current FB=0.35V, No Switching - 500 - μA
I
SD
Shutdown Current V
EN
< 0.4V - 0.1 1 μA
Oscillator
F
OSC
Operation Frequency 1 1.2 1.4 MHz
Dmax Maximum Duty Cycle 86 90 - %
Reference Voltage
V
FB
Feedback Voltage 0.225 0.25 0.275 V
I
FB
FB Pin Bias Current 10 45 100 nA
MOSFET
Rds(on) On Resistance of MOSFET - 0.95 1.2 Ω
I
OCP
Switching Current Limit Normal Operation - 750 - mA
Control and Protection
EN Voltage High ON 1.5 - - V
EN Voltage Low OFF - - 0.4 V
I
EN
EN Pin Pull Low Current - 4 6 μA
OVP OVP Threshold 26 30 34 V
θ
JA
Thermal Resistance Junction-to-
Ambient
SOT26 (Note 2) 162
o
C/WTSOT23-6 (Note 2) 152
DFN2020C-6 (Note2) 200
θ
JC
Thermal Resistance Junction-to-
Case
SOT26 (Note 2) 36
o
C/WTSOT23-6 (Note 2) 32
DFN2020C-6 (Note 2) 30
Notes: 2. Test condition for SOT26, TSOT23-6 and DFN2020C-6: Device mounted on FR-4 substrate, single-layer PC board, 2oz copper,
with minimum recommended pad layout
AP5725
WHITE LED STEP-UP CONVERTER
AP5725
Document number: DS31844 Rev. 3 - 2
5 of 17
www.diodes.com
July 2010
© Diodes Incorporated
Typical Performance Characteristics (6 LEDs ; V
IN
= 3.6V ; I
OUT
= 25mA)
V
IN
vs. Shutdown Current
0
0.2
0.4
0.6
0.8
1
2.533.544.555.5
V
IN
(V)
Shutdown Current(uA)
V
IN
vs. Quiescent Current
0
100
200
300
400
500
600
700
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
Quiescent Current(uA)
V
IN
vs. Frequency
1
1.05
1.1
1.15
1.2
1.25
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
Frequency(MHz)
V
IN
vs. Max Duty
80
85
90
95
100
2.533.544.555.5
V
IN
(V)
Max Duty(%)
V
IN
vs. Feedback Voltage
0.2
0.22
0.24
0.26
0.28
0.3
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
Feedback Voltage(V)
I
OUT
vs. Feedback Voltage
0.2
0.22
0.24
0.26
0.28
0.3
0 1020304050
I
OUT
(mA)
Feedback Voltage(V)
AP5725
WHITE LED STEP-UP CONVERTER
AP5725
Document number: DS31844 Rev. 3 - 2
6 of 17
www.diodes.com
July 2010
© Diodes Incorporated
Typical Performance Characteristics (Continued)
V
IN
vs. OVP Threshold
25
27
29
31
33
35
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
OVP Threshold(V)
Temperature vs. Shutdown Current
0
0.2
0.4
0.6
0.8
1
-50 -25 0 25 50 75 100 125
Shutdown Current(uA)
Temperature (
℃
)
Temperature vs. OVP Threshold
10
15
20
25
30
35
-50 -25 0 25 50 75 100 125
Temperature (
℃
)
OVP Threshold(V)
Temperature vs. Frequency
0.2
0.5
0.8
1.1
1.4
1.7
-50 -25 0 25 50 75 100 125
Temperature (
℃
)
Frequency (MHZ)
V
IN
= 3.6V
V
IN
= 4.2V
Temperature vs. Feedback Voltage
0.23
0.24
0.25
0.26
0.27
0.28
-50 -25 0 25 50 75 100 125
Temperature(
℃
)
Feedback Voltage(V)
V
IN
= 3.6V
V
IN
= 4.2V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

AP5725FDCG-7

Mfr. #:
Buy AP5725FDCG-7
Manufacturer:
Diodes Incorporated
Description:
LED Display Drivers WH LED STEP-UP DC/DC CONV 2-6 LED
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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