r2j20701np Renesas Electronics Corporation., r2j20701np Datasheet - Page 21

• Manufacturer Part Number: r2j20701np
• Description: Peak Current Mode Synchronous Buck Controller With Power Mosfets
• Manufacturer: Renesas Electronics Corporation.

R2J20701NP
Timing Chart
Peak Current Control
Note: Propagation delay is ignored.
REJ03G1459-0300 Rev.3.00 Jun 20, 2007
Page 21 of 27
(Internal signal)
To obtain stable operation, settings should be such that the level on the switching node is high for at least 80 ns.
(Internal signal)
Max. Duty
SW
RES
VIN
0 V
0 V
TLD
50 ns (typ.)
RAMP
EO
(Internal signal)
(EO-Vbe) / 2
The high-side MOS FET is turned
off by the max. duty signal.
50 ns (typ.)