Daattaasshheeeett
BD2041AFJ
BD2051AFJ
●Measurement Circuit
VIN
VIN
A
1uF
1uF
GND
OUT
GND
OUT
IN
OUT
OUT
/OC
IN
IN
OUT
OUT
/OC
IN
RL
CL
EN(/EN)
EN(/EN)
VEN(V/EN
)
VEN (V/EN
)
A. Operating current
B. EN, /EN input voltage, Output rise, fall time
VIN
VIN
VIN
VIN
10k
1uF
1uF
I/OC
GND
OUT
GND
OUT
IN
OUT
OUT
/OC
IN
OUT
OUT
/OC
IN
IN
CL
EN(/EN)
IOUT
EN(/EN)
VEN(V/EN
)
VEN(V/EN
)
C.
ON resistance, Over current detection
D. /OC output LOW voltage
Figure 1. Measurement circuit
●Timing Diagram
TOFF1
TOFF1
TON1
TON1
VOUT
VOUT
90%
90%
10%
TOFF2
90%
90%
10%
TOFF2
10%
10%
TON2
TON2
V
/EN
VEN
50%
50%
50%
50%
Figure 2. Timing diagram
BD2041AFJ
Figure 3. Timing diagram
BD2051AFJ
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TSZ22111・15・001
TSZ02201-0E3E0H300290-1-2
08.Mar.2013 Rev.001
5/22
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