NCP5425_06 ONSEMI [ON Semiconductor], NCP5425_06 Datasheet - Page 4

• Manufacturer Part Number: NCP5425_06
• Description: Dual Synchronous Buck Controller
• Manufacturer: ONSEMI [ON Semiconductor]

2. Guaranteed by design, not 100% tested in production.
ELECTRICAL CHARACTERISTICS
10.8 V < BST < 20 V, C
ERROR AMPLIFIER
GATE(H) AND GATE(L)
PWM COMPARATOR
V
V
Common Mode Input Voltage Range
COMP1(2) Source Current
COMP1(2) Sink Current
Reference Voltage
COMP1 Max Voltage
COMP2 Max Voltage, Mode Floating
COMP2 Max Voltage, Mode = 0
COMP1(2) Min Voltage
Open Loop Gain
Unity Gain Bandwidth
PSRR @ 1.0 kHz
Transconductance
Output Impedance
High Voltage (AC)
Low Voltage (AC)
Rise Time
Fall Time
GATE(H) to GATE(L) Delay
GATE(L) to GATE(H) Delay
GATE(H)1(2) and GATE(L)1(2) Pull−Down
Propagation Delay
PWM Comparator Offset
Artificial Ramp
Minimum Pulse Width
FB1
FB2
, V
Input Bias Current
REF2
Input Bias Current
Characteristic
GATE(H)1,2
= C
GATE(L)1,2
(0°C < T
= 1.0 nF; unless otherwise specified.)
J
V
V
COMP1(2) = 1.2 V to 2.5 V; V
COMP1(2) = 1.2 V; V
COMP1 = V
V
V
V
V
V
BST − GATE(H)1,2 (Note 2)
GATE(L)1,2 or GATE(H)1,2 (Note 2)
1.0 V < GATE(L)1,2 < V
1.0 V < GATE(H)1,2 < BST − 1.0 V
V
BST − 1.0 > GATE(H)1,2 > 1.0 V
GATE(H)1,2 < 2.0 V
GATE(L)1,2 > 2.0 V
GATE(L)1,2 < 2.0 V
GATE(H)1,2 > 2.0 V
Resistance to GND (Note 2)
COMP1(2) = 1.0 V
V
V
GATE(H)1(2) starts switching
Duty Cycle = 50%
(Note 2)
< 125°C; R
FB1
FB2
FB1(2)
FB1(2)
FB1(2)
FB1(2)
CC
CC
FB1(2)
FB1(2)
, V
− GATE(L)1,2
− 1.0 > GATE(L)1,2 > 1.0 V
= 0 V
http://onsemi.com
REF2
= 0.6 V
= 0.6 V
= 0.6 V
= 1.2 V
= 0 to 1.2 V (Note 2)
= 0 V; Increase COMP1(2) until
NCP5425
OSC
FB1
= 0.8 V
Test Condition
= 30.9 k, C
4
−
FB1(2)
−
−
CC
COMP1,2
− 1.0 V
= 1.0 V
FB1(2)
= 0.1 mF, 4.75 V < V
= 0.6 V
0.792
0.20
Min
0.3
3.0
15
15
20
20
50
55
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
CC
0.800
0.10
0.30
< 13.2 V;
Typ
125
200
0.1
0.1
2.0
3.1
2.0
2.5
30
30
95
40
70
32
25
25
40
40
95
80
−
0
0
0.808
Max
0.20
0.45
280
300
150
130
1.0
1.0
1.0
2.1
2.1
0.5
0.5
60
60
80
80
80
80
−
−
−
−
−
−
mmho
Unit
kHz
MW
mV
dB
dB
kW
mA
mA
mA
mA
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V