NCP1588 ON Semiconductor, NCP1588 Datasheet - Page 4

• Manufacturer Part Number: NCP1588
• Description: Low Voltage Synchronous Buck Controller
• Manufacturer: ON Semiconductor

Supply Current
Undervoltage Lockout
Switching Regulator
Error Amplifier
Gate Drivers
Soft-Start
ELECTRICAL CHARACTERISTICS
C
Input Voltage Range
Boost Voltage Range
Quiescent Supply Current
Boost Quiescent Current
UVLO threshold
UVLO hysteresis
VFB Feedback Voltage,
control loop in regulation
Oscillator Frequency
Ramp-Amplitude Voltage
Minimum Duty Cycle
Maximum Duty Cycle
LG minimum on time
Open loop dc gain
Output source current
Output sink current
Input Offset Voltage
Input Bias Current
Unity Gain Bandwidth
Disable Threshold
Output Sink current during disable
Upper Gate source
Upper Gate sink
Lower Gate source
Lower Gate sink
UG falling to LG rising delay
LG falling to UG rising delay
Soft-Start time
Power Good
Overcurrent Protection
Output Saturation Voltage
OVP threshold to part disable
UVP threshold to part disable
OVP threshold to PGOOD output low
UVP threshold to PGOOD output low
OC Current source
UG
= C
LG
= 1.0 nF (REF:NTD30N02), for min/max values unless otherwise noted.)
Characteristic
(0°C < T
V
V
FB
CC
V
CC
Sourced from LG pin, before SS
= 1.0 V, No Switching, V
V
= 12 V, UG-LX < 2.0 V, LG > 2.0 V
CC
IPG = 4 mA, V
V
= 12 V, LG < 2.0 V, UG > 2.0 V
A
FB
< 70°C, 0°C < T
= 5 V, VUG - VLX = 2.5 V
= 1.0 V, No Switching
V
T
T
CC
13.2 V wrt LX
A
A
Conditions
V
V
V
http://onsemi.com
= 0 to 70°C
= 0 to 70°C
CC
fb
fb
Rising Edge
< 0.8 V
> 0.8 V
= 12 V
NCP1588
CC
= 12 Vdc
4
J
< 125°C (NCP1588); 4.5 V < V
CC
= 13.2 V
0.792
-2.0
Min
270
4.5
4.5
3.8
2.0
2.0
0.3
1.5
1.5
3.0
70
70
15
CC
0.37
0.88
0.72
Typ
140
300
500
1.0
0.6
1.0
0.8
1.1
0.1
1.4
1.0
75
80
30
30
10
< 13.2 V, 4.5 V < BOOT < 26.4 V,
0
0
0.808
Max
13.2
26.4
1.75
330
100
4.0
2.0
1.0
0.5
7.0
0.4
80
90
60
Unit
KHz
Mhz
mA
mA
mV
DB
ms
mA
mA
mA
mA
ns
ns
ns
%
%
W
W
V
V
V
V
V
V
V
A
A
V
V
V
V
V