cs5422 ON Semiconductor, cs5422 Datasheet - Page 5

• Manufacturer Part Number: cs5422
• Description: Dual Outofphase Synchronous Buck Controller With Current Limit
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS (continued)
10.8 V < V
Supply Currents
V
BST Current
Undervoltage Lockout
Start Threshold
Stop Threshold
Hysteresis
Hiccup Mode Overcurrent Protection
OVC Comparator Offset Voltage
Discharge Threshold
IS+ 1(2) Bias Current
IS− 1(2) Bias Current
OVC Common Mode Range
OVC Latch COMP1 Discharge Current
OVC Latch COMP2 Discharge Current
COMP1 Charge/Discharge
CC
Ratio in OVC
Current
CC
Characteristic
< 13.2 V; 10.8 V < BST < 20 V, C
COMP1,2 = 0 V (No Switching)
COMP1,2 = 0 V (No Switching)
GATE(H) Switching; COMP1,2 charging
GATE(H) not switching; COMP1,2 discharging
Start−Stop
0 V < IS+ 1(2) < 5.5 V, 0 V < IS− 1(2) < 5.5 V
0 V < IS+ 1(2) < 5.5 V
0 V < IS− 1(2) < 5.5 V
COMP1 = 1.0 V
COMP2 = 1.0 V
GATE(H)1,2
(0°C < T
= C
http://onsemi.com
Test Conditions
GATE(L)1,2
A
< 70°C; 0°C < T
−
−
−
5
= 1.0 nF, unless otherwise specified.)
J
< 125°C; R
OSC
0.20
−1.0
−1.0
Min
7.8
7.0
0.5
2.0
0.3
5.0
55
−
−
0
= 30.9 k, C
0.25
Typ
3.5
8.6
7.8
0.8
0.1
0.1
5.0
1.2
6.0
13
70
−
COMP1,2
= 0.1 μF,
0.30
Max
6.0
9.4
8.6
1.5
1.0
1.0
5.5
8.0
3.5
7.0
17
85
Unit
mA
mA
mV
mA
μA
μA
μA
V
V
V
V
V
−