APE1601 Advanced Power Electronics Corp., APE1601 Datasheet - Page 4

• Manufacturer Part Number: APE1601
• Manufacturer: Advanced Power Electronics Corp.

Specifications of APE1601

• Support Voltage (min.): 2.5V
• Support Voltage (max.): 5.5V
• Frequency: 1MHz
• Quiescent Current Typ.: 3mA
• Output Current: 120mA
• Efficiency: 90%
• Package: QFN 3x3-16L

White LED Driver (120mA Charge Pump with Current Source)
Advanced Power
Electronics Corp.
A. For 4 WLEDs back light
B. For 3 WLEDs back light
Note 1.
Note 2.
Application Circuit
EN Pin Input Current
Thermal shutdown Temp
Thermal shutdown Hysteresis
Current Matching refers to the difference in current from on LED to the next.
I
I
LED
LED
VIN=2.5~5.5V
VIN=2.5~5.5V
Current
Accuracy
CIN
1uF
CIN
1uF
RSET
R1
RSET
R1
Matching
=
±
I
C1
0.1uF
LED(MEASUR
5
6
7
8
C1
0.1uF
5
6
7
8
=
ISET
VOUT
VIN
C1P
TSD
±
ISET
VOUT
VIN
C1P
I
I
C2
0.1uF
IH
IL
I
I
LED(MAX)
LED(MAX)
C2
0.1uF
I
LED(SET)
APE1601
APE1601
ED)
V
V
EN
EN
=V
=GND (OFF)
−
+
−
I
I
I
LED1
LED2
LED3
LED4
LED(MIN)
LED(MIN)
IN
LED(SET)
LED1
LED2
LED3
LED4
(ON)
16
15
14
13
COUT
1uF
U1
16
15
14
13
X100%
COUT
1uF
U1
X100%
D1
D1
D2
D2
D3
D3
APE1601/A
--
--
D4
150
15
--
--
1
1
uA
uA
℃
℃
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