XC9116B02AMR Torex Semiconductor Ltd, XC9116B02AMR Datasheet - Page 12

• Manufacturer Part Number: XC9116B02AMR
• Description: IC, BOOST CONVERTER 1MHZ LED DRIVER
• Manufacturer: Torex Semiconductor Ltd

Specifications of XC9116B02AMR

• Primary Input Voltage: 6V
• No. Of Outputs: 1
• Output Voltage: 17.5V
• Output Current: 300mA
• Voltage Regulator Case Style: SOT-23
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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■ TEST CIRCUITS
1. The measurement method of LX ON Resistance R
2. The measurement method of current limit ILIM
XC9116
The oscilloscope is used for measuring the Lx voltage when the driver transistor is ON.
●Circuit ① XC9116B02A series
●Circuit ②
●Circuit ④
Using the circuit ②, Lx ON resistance can be measured by adjusting Vpull voltage to set Lx voltage V
driver transistor is ON.
The oscilloscope is used for measuring the Lx voltage when the driver transistor is ON.
Using the circuit ④, current limit I
decreased while Vpull voltage is adjusted and Lx voltage V
V
V
IN
IN
R
I
LIM
SWON
= (Vpull - V
1uF
1uF
= 0.4 / ((Vpull - 0.4) /10)
A
VCE
Series
V
CE
Lx
V
CE
) / Rpull
V
CE
IN
IN
V
SS
V
SS
OSC
FB
Lx
FB
Lx
10ohm
LIM
2SK583
V
OSC
FB
can be calculated by the equation including Vpull voltage when FB voltage is
Rpull
220uF
300ohm
11kohm
1.1kohm
0.01uF
SWON
1uF
Vpull
V
Lx
when the driver transistor is ON.
Vpull
4.4V
●Circuit ① XC9116D02A series
VIN
V
●Circuit ③
IN
220uF
(ceramic)
4.7uF
C
IN
1uF
A
VIN
CE
VLF3010A
L:22uF
A
V
VSS
CE
V
CE
FB
Lx
IN
XBS053V15R
OSC
SD
V
SS
MAZ8180
100ohm
10ohm
R
R1
FB
Lx
LED
Lx
V
FB
0.4V when the
A
V
V
(ceramic)
Lx
0.22uF
CL
A