r2j20751np Renesas Electronics Corporation., r2j20751np Datasheet - Page 8

• Manufacturer Part Number: r2j20751np
• Description: Peak Current Mode Synchronous Buck Controller With Power Mos Fets
• Manufacturer: Renesas Electronics Corporation.

R2J20751NP
Over-
voltage
protection
Slope
generator
Clock
generator
Note:
R07DS0240EJ0100 Rev.1.00
Jan 26, 2011
1. Reference values for design. Not 100% tested in production.
OVP trip voltage
Pre-OVP trip voltage
Slope current
Clock frequency
OUT high voltage
OUT low voltage
IN input bias current
IN input threshold
IN input hysteresis
Item
Vtovp
Vpovp
ISLP
Fclk
Vh-out
Vl-out
Ibin
Vth-in
Vth-hys
Symbol
(Ta = 25°C, VIN = VCIN = 12 V, unless otherwise specified)
1.19
Min
450
4.0
0.5
—
—
—
7
0
1.25
1.67
0.25
Typ
500
5.0
2.0
2.2
10
—
Max
1.31
550
1.0
5.0
13
—
—
—
—
Unit
kHz
A
A
V
V
V
V
V
V
REFIN = 1.0 V
VSLP = 0 V
CT = 180 pF
Rout = 51 k to GND
Rout = 51 k to VCIN
V-in = 1 V
Test Conditions
Preliminary
Page 8 of 25