XC9133B02AMR-G Torex Semiconductor Ltd, XC9133B02AMR-G Datasheet - Page 12

• Manufacturer Part Number: XC9133B02AMR-G
• Description: IC BOOST ADJ .26A SOT25-5
• Manufacturer: Torex Semiconductor Ltd
• Type: Step-Up (Boost)r

Specifications of XC9133B02AMR-G

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.5 ~ 17.5 V
• Current - Output: 260mA
• Frequency - Switching: 1MHz
• Voltage - Input: 2.5 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Power - Output: 250mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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■TEST CIRCUITS
1. The measurement method of L
Using the circuit ④, Lx ON resistance can be measured by adjusting V
driver transistor is ON.
The oscilloscope is used for measuring the Lx voltage when the driver transistor is ON.
2. The measurement method of current limit I
Using the circuit ④, current limit I
decreased while V
The oscilloscope is used for measuring the Lx voltage when the driver transistor is ON.
XC9133
V
●Circuit ① (XC9133B02A Series)
●Circuit ②
●Circuit ④
IN
R
R
I
LIM
SWON
PULL
= (V
(ceramic)
＝
4.7μF
C
= 0.4 / ((V
10Ω
IN
PULL
V
CE
PULL
V
CE
- V
Series
IN
CDRH3D16
L:22uH
LX
voltage is adjusted and Lx voltage V
V
) / R
PULL
SS
PULL
FB
- 0.4) /10)
Lx
XBS053V15R
X
SBD
R
ON Resistance R
LED
LIM
can be calculated by the equation including V
LIM
V
SWON
(ceramic)
0.22μF
C
L
LX
when the driver transistor is ON.
●Circuit ③
PULL
voltage to set Lx voltage V
PULL
voltage when FB voltage is
LX
0.4V when the