Datasheet

LPM
disabled
LPM
enabled
1
0
1
0
EN
disabled
EN
enabled
1
0
1
0
5Vg
disabled
5Vg
enabled
1
0
1
0
BYPASS
active
BYPASS
shorted
2.2 Setup
Setup www.ti.com
JP3 – LPM is the jumper used to enable Low Power Mode. The jumper allows LPM to be enabled or
disabled. The device will operate in Normal mode when LPM is disabled.
Figure 2. Low Power Mode Jumper Settings
JP4 – Enable is the jumper used to enable the converter. The converter is enabled when the Enable is
high and disabled when low. The jumper placement allows the converter to be enabled or disabled.
Figure 3. Enable Jumper Settings
JP5 – 5VgEN is the jumper used to enable switched 5V regulated output. The output is enabled when the
Enable is high and disabled when low. The jumper placement allows the converter to be enabled or
disabled.
Figure 4. 5Vg Regulated Output Jumper Settings
JP6 – Bypass is the jumper used to bypass the low pass filter inductor on the power supply input to the
device. This allows the user to remove the filter from the circuit. The jumper placement allows the inductor
to be active or shorted.
Figure 5. Low Pass Filter Inductor Bypass Jumper Settings
The input voltage range for the converter is 1.5 volts to 40 volts. The input voltage must be at least 5 V
during start up.
TPIC74100EVM User's Guide6 SLIU002 – September 2008
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