ncp1529 ON Semiconductor, ncp1529 Datasheet - Page 5

• Manufacturer Part Number: ncp1529
• Description: High Efficiency Dc-dc Converters
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
+85°C ambient temperature, unless otherwise noted, operating conditions V
INPUT VOLTAGE
ANALOG AND DIGITAL PIN
OUTPUT
POWER SWITCHES
PROTECTION
10. Functionality guaranteed per design and characterization, see chapter ”USB or 5 V Rail Powered Applications”.
11. The overall output voltage tolerance depends upon the accuracy of the external resistor (R1 and R2).
Input Voltage Range
Quiescent Current
Standby Current
Under Voltage Lockout
Under Voltage Hysteretis
Positive going Input High Voltage Threshold
Negative going Input High Voltage Threshold
EN Threshold Hysteresis
EN High Input Current
Feedback Voltage Level
Minimum Output Voltage
Maximum Output Voltage
Maximum Output Current
Output Voltage Load Regulation
Overtemperature
Load Transient Response
Rise/Fall Time 1 ms
Output Voltage Line Regulation Load = 100 mA V
Line Transient Response Load = 100 mA
Output Voltage Ripple
Switching Frequency
Duty Cycle
Soft-Start Time
High-Side MOSFET On-Resistance
Low-Side MOSFET On-Resistance
High-Side MOSFET Leakage Current
Low-Side MOSFET Leakage Current
DC-DC Short Circuit Protection
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Maximum Output Voltage for USB or 5 V Rail
Powered Applications (Note 10)
Output Voltage Accuracy (Note 11)
Rating
(Typical values are referenced to T
No Switching, No load
EN Low
V
EN = 3.6 V
V
Room Temperature
Overtemperature Range
Load = 100 mA to 1000 mA (PWM Mode)
Load = 0 mA to 100 mA (PFM Mode)
10 mA to 100 mA Load Step
(PFM to PWM Mode)
200 mA to 600 mA Load Step
(PWM to PWM Mode)
3.6 V to 3.2 V Line Step (Fall Time = 50 ms)
I
I
Time from EN to 90% of Output Voltage
Peak Inductor Current
OUT
OUT
IN
IN
IN
Falling
from 4.3 V to 5.5 V
= 2.7 V to 5.5 V
= 300 mA
= 0 mA
http://onsemi.com
NCP1529
Conditions
5
IN
A
= 3.6 V, V
= +25°C, Min and Max values are referenced -40°C to
OUT
= 1.2 V, unless otherwise noted.)
I
Symbol
V
V
V
I
V
I
OUTMAX
DV
V
R
V
V
t
R
LEAKHS
LEAKLS
V
V
V
V
START
T
UVLOH
LOADR
RIPPLE
I
LOADT
I
F
V
LINER
T
UVLO
LINET
ONHS
V
ENH
ONLS
I
V
STB
V
SDH
ENH
OUT
OUT
OUT
I
PK
SW
D
SD
Q
FB
OUT
IH
in
IL
Min
2.7
2.2
1.2
1.2
-3
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-0.9
0.05
0.05
0.01
Typ
100
100
310
400
300
180
$1
$2
0.3
2.4
1.5
0.6
0.9
3.3
3.9
1.1
6.0
8.0
3.0
1.7
1.6
28
40
85
40
-
-
-
-
-
Max
2.55
100
500
5.5
1.0
0.4
2.2
+3
39
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
mV
mV
MHz
Unit
mW
mW
mV
mV
mV
mA
mA
mA
mA
mA
°C
°C
ms
%
%
%
%
V
V
V
V
V
V
V
V
A
A
PP
PP