BAT-54 National Semiconductor Corporation, BAT-54 Datasheet - Page 5

• Manufacturer Part Number: BAT-54
• Description: N-channel Fet Synchronous Buck Regulator Controller For Low Output Voltages
• Manufacturer: National Semiconductor Corporation

Typical Performance Characteristics
Bootpin Current vs Temperature with 5V Bootstrap
V
F
SW
CC
Operating Current vs Temperature
= 600kHz, Si4826DY FET, No-Load
F
F
SW
Efficiency (V
SW
= 300kHz, T
= 600kHz, No-Load
O
= 1.5V)
A
= 25˚C
20049412
20049414
20049416
5
Bootpin Current vs Temperature for BOOTV = 12V
F
SW
PWM Frequency vs Temperature
= 600kHz, Si4826DY FET, No-Load
F
SW
Efficiency (V
for R
= 300kHz, T
FADJ
= 43.2kΩ
O
= 3.3V)
A
= 25˚C
20049413
20049415
20049417
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