ncp1595 ON Semiconductor, ncp1595 Datasheet - Page 3

• Manufacturer Part Number: ncp1595
• Description: Current Mode Pwm Converter For Low Voltage Outputs
• Manufacturer: ON Semiconductor

5. Values are design guarantee.
6. Design guarantee, value depends on voltage at V
ELECTRICAL CHARACTERISTICS
(V
FEEDBACK VOLTAGE
THERMAL SHUTDOWN
PWM SMPS MODE
ENABLE (NCP1595A)
Total Device
Operating Voltage
Under Voltage Lockout Threshold
Under Voltage Lockout hysteresis
P FET Leakage Current (Pin 5, 4)
T
T
N FET Leakage Current (Pin 3, 2)
T
T
FB Input Threshold (T
FB Input Current
Overvoltage Protect Higher than FB Threshold (T
Thermal Shutdown Threshold (Note 5)
Hysteresis
Minimum ON−Time
Switching Frequency (T
Internal PFET ON−Resistance (I
(Note 5)
Internal NFET ON−Resistance (I
(Note 5)
Maximum Duty Cycle
Soft−Start Time (V
Main PFET Switch Current Limit (Note 5)
Enable Threshold High (NCP1595A Only)
Enable Threshold Low
Enable bias current ( EN = 0 V)
Quiescent Current Into V
Quiescent Current Into V
Shutdown Quiescent Current into V
(EN = 0, V
A
A
A
A
IN
= 25°C
= −40°C to 85°C
= 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 v T
IN
o
Characteristic
IN
LX
= 1.2 V, I
LX
= 5 V, V
A
= 5 V, V
= 25°C)
= 100 mA, V
= 100 mA, V
CC
and V
FB
LOAD
FB
= 1.0 V, T
CCP
= 1.0 V, T
= 0 mA, T
IN
IN
A
(NCP1595A Only)
= 5.0 V, T
= 5.0 V, T
= 25°C)
OUT
A
A
= 25°C)
.
= 25°C)
A
http://onsemi.com
= 25°C) (Note 6)
A
A
= 25°C)
= 25°C)
A
v 85°C for min/max values unless otherwise noted)
3
V
R
R
Symbol
UVLO_HYS
TON
T
I
I
DS(ON)_P
DS(ON)_N
I
V
LEAK−N
T
V
LEAK−P
V
V
D
CC_SD
F
SDHYS
I
V
SHDN
T
UVLO
I
EN_H
V
EN_L
I
CCP
I
I
OVP
OSC
LIM
MAX
CC
FB
EN
SS
FB
IN
MIN
0.788
Min
4.0
3.2
2.0
0.8
2.0
1.8
0.800
0.15
Typ
180
160
100
500
900
3.5
1.0
1.0
5.0
1.0
0.2
1.0
2.5
1.5
10
30
10
0.812
Max
10.0
0.22
100
100
5.5
3.8
1.2
0.3
0.4
3.0
10
15
10
15
MHz
Unit
mV
nA
ms
nA
mA
mA
°C
°C
mA
mA
mA
ns
%
W
W
%
V
V
V
A
V
V