Datasheet

 
 
SLVS399A − JANUARY 2002 − REVISED MAY 2006
11
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PARAMETER MEASUREMENT INFORMATION
C
L
I
O
V
O(SW_OUT)
LOAD CIRCUIT
C
L
I
O
V
O(LDO_OUT)
LOAD CIRCUIT
50% 50%
50% 50%
90%
10%
90%
10%
90%
10%
90%
10%
10%
90%
10%
90%
SW_EN
V
O(SW_OUT)
LDO_EN
V
O(LDO_OUT)
t
pd(off)
t
pd(off)
t
pd(on)
t
pd(on)
t
r
t
f
t
r
t
f
t
off
t
on
t
off
t
on
V
O(SW_OUT)
V
O(LDO_OUT)
Propagation Delay (SW_OUT) Propagation Delay (LDO_OUT)
Rise/Fall Time (SW_OUT) Rise/Fall Time (LDO_OUT)
Turn On/Off Time (SW_OUT) Turn On/Off Time (LDO_OUT)
SW_EN
V
O(SW_OUT)
LDO_EN
V
O(LDO_OUT)
V
DD
GND
V
I(SW_IN)
GND
V
DD
GND
V
(SET)
GND
V
I(SW_IN)
GND
V
(SET)
GND
V
DD
GND
V
I(SW_IN)
GND
V
DD
GND
V
(SET)
GND
VOLTAGE WAVEFORMS
50% 50%
50% 50%
Figure 1. Test Circuits and Voltage Waveforms
A
IN
OUT
DUT
+
Current
Meter
Figure 2. Current Limit Test Circuit