ncp1596 ON Semiconductor, ncp1596 Datasheet - Page 3

• Manufacturer Part Number: ncp1596
• Description: 1.5 A, 1.5 Mhz Current Mode Pwm Buck Down Converter
• Manufacturer: ON Semiconductor

5. Values are design guaranteed.
ELECTRICAL CHARACTERISTICS
(V
FEEDBACK VOLTAGE
THERMAL SHUTDOWN
PWM SMPS MODE
ENABLE − NCP1596A
EFFICIENCY
TOTAL DEVICE
Operating Voltage
Under Voltage Lockout Threshold
Under Voltage Lockout hysteresis
PFET Leakage Current (Pins 5, 4)
T
T
FB Input Threshold (T
FB Input Current
Thermal Shutdown Threshold (Note 5)
Hysteresis
Switching Frequency (T
Internal PFET ON−Resitance (I
Minimum Duty Cycle
Maximum Duty Cycle
Soft−Start Time (V
Main PFET Switch Current Limit (Note 5)
Enable Threshold High (NCP1596A Only)
Enable Threshold Low
Enable bias current (EN = 0 V)
Output Load Current 10 mA @ 1.2 V (Note 5)
Output Load Current 100 mA to 1.2 A @ 1.2 V (Note 5)
Quiescent Current Into V
Quiescent Current Into V
Shutdown Quiescent Current into V
(EN = 0, V
A
A
IN
= 25°C
= −40°C to 85°C
= 5.0 V, V
IN
= 5 V, V
OUT
IN
= 1.2 V, T
= 5.0 V, V
FB
A
= −40°C to 85°C)
A
= 1.0 V, T
CCP
CC
= −40°C to 85°C)
A
(V
(V
= 25°C for typical value, −40°C ≤ T
IN
o
Characteristic
LX
IN
= 1.2 V, I
= 5 V, V
A
= 100 mA, V
= 5 V, V
= 25°C)
CC
and V
FB
LOAD
FB
= 1.0 V, T
CCP
= 1.0 V, T
IN
= 0 mA, T
= 5.0 V, T
(NCP1596A Only)
A
A
= 25°C)
= 25°C)
A
http://onsemi.com
= 25°C)
A
= 25°C) (Note 5)
A
≤ 85°C for min/max values unless otherwise noted)
3
V
R
Symbol
UVLO_HYS
T
I
I
V
T
DS(on)_P
V
LEAK−P
V
D
CC_SD
F
SDHYS
D
I
V
SHDN
T
UVLO
I
EN_H
V
EN_L
I
CCP
I
I
OSC
LIM
MAX
CC
FB
MIN
EN
SS
h
h
FB
IN
0.788
1.27
Min
4.0
3.2
0.8
2.0
1.8
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
0.800
Typ
180
160
100
500
500
3.5
1.0
1.5
0.2
1.0
2.5
1.0
10
30
50
70
10
−
−
0
−
−
0.812
1.725
Max
TBD
100
5.5
3.8
0.3
1.2
0.4
3.0
10
15
−
−
−
−
−
−
−
−
−
−
−
Ohm
MHz
Unit
mV
nA
ms
nA
mA
°C
°C
mA
mA
mA
%
%
%
%
V
V
V
A
V
V