BD2202G ROHM Co. Ltd., BD2202G Datasheet - Page 8
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BD2202G
Manufacturer Part Number
BD2202G
Description
Small Current Output Power Management Switch Ics
Manufacturer
ROHM Co. Ltd.
Datasheet
1.BD2202G.pdf
(17 pages)
●Waveform data
(10mA/div.)
(0.1A/div.)
I
(1V/div.)
(1V/div.)
(1/div.)
V
(1/div.)
V
OUT
V
(0.2A/div.)
V
I
I
(1V/div.)
(1V/div.)
(1V/div.)
OUT
V
V
OUT
V
OUT
EN
OUT
/EN
OUT
IN
OUT
Fig.34 Current limit response
Fig.28 Output turn on response
Fig.31 Current limit response
Ramped load (1A/10ms)
Fig.37 UVLO V
Enable into short circuit
TIME (5ms/div.)
(BD2202G)
TIME (500ms/div.)
(BD2206G)
TIME (2ms/div.)
TIME (0.5div.)
IN
falling
V
R
C
R
C
IN
L
L
L
L
=500Ω
=0.1uF
=3.3V
=500Ω
=0.1uF
V
C
C
V
C
C
IN
IN
L
IN
IN
L
=0.1uF
=0.1uF
=3.3V
=10uF
=3.3V
=10uF
(0.2A/div.)
(0.2A/div.)
I
I
OUT
OUT
(1/div.)
(1/div.)
V
V
(1V/div.)
(1V/div.)
V
V
OUT
/EN
OUT
OUT
Fig.29 Output turn off response
Fig.32 Current limit response
Fig.35 Current limit response
Ramped load (1A/10ms)
Output shorted to GND
(BD2202G)
TIME (2ms/div.)
(BD2206G)
TIME (0.5div.)
TIME (5ms/div.)
8/16
V
R
C
IN
L
L
=500
=0.1
=3.3V
V
V
C
C
C
C
IN
IN
IN
L
IN
L
=0.1uF
=0.1uF
=3.3V
=3.3V
=10uF
=10uF
(1V/div.)
V
(0.2A/div.)
I
(0.1A/div.)
(10mA/div.)
I
(1V/div.)
EN
OUT
V
OUT
(1V/div.)
V
I
OUT
(1V/div.)
V
(1V/div.)
OUT
V
OUT
IN
OUT
Fig.30 Current limit response
Fig.33 Current limit response
Enable into short circuit
Output shorted to GND
Fig.36 UVLO V
(BD2202G)
(BD2206G)
TIME (2ms/div.)
TIME (2ms/div.)
TIME (5ms/div.)
IN
rising
R
C
L
L
V
V
C
C
C
C
=500Ω
=0.1uF
IN
IN
IN
L
IN
L
=0.1uF
=0.1uF
=3.3V
=3.3V
=10uF
=10uF