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NCP1417 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. NCP1417
Description  200 mA DC-DC Step-up Converter with Dual Low Battery Protection
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1417 Datasheet(HTML) 3 Page - ON Semiconductor

 
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NCP1417
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ELECTRICAL CHARACTERISTICS (VOUT = 3.3 V, TA = 25°C for typical value, –40°C ≤ TA ≤ 85_C for min/max values unless
otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Operating Voltage
VIN
1.0
5.5
V
Output Voltage Range (Adjusted by External Feedback)
VOUT
VIN
5.5
V
Reference Voltage (CREF = 150 nF, Under No Loading, TA = 25_C)
VREF_NL
1.183
1.190
1.197
V
Reference Voltage (CREF = 150 nF, Under No Loading,
–40
_C ≤ TA ≤ 85_C)
VREF_NL_A
1.178
1.202
V
Reference Voltage Temperature Coefficient
TCVREF
0.03
mV/
_C
Reference Voltage Load Current
(VOUT = 3.3 V, VREF = VREF_NL " 1.5%, CREF = 1.0 mF) (Note 5)
IREF
2.5
mA
Reference Voltage Load Regulation
(VOUT = 3.3 V, ILOAD = 0 to 100 mA, CREF = 1.0 mF)
VREF_LOAD
0.015
1.0
mV
Reference Voltage Line Regulation
VREF_LINE
0.03
1.0
mV/V
FB, LBI Input Threshold
VFB, VLBI
1.172
1.190
1.200
V
Internal NFET ON–Resistance (ILX = 100 mA)
RDS(ON)_N
0.65
W
Internal PFET ON–Resistance (ILX = 100 mA)
RDS(ON)_P
1.3
W
LX Switch Current Limit (NFET)
ILIM
1.0
A
Operating Current into OUT
(VFB = 1.4 V, i.e. No Switching, VOUT = 3.3 V)
IQ
9.0
14
mA
Shutdown Current into OUT (SHDN = GND)
ISD
0.05
1.0
mA
LX Switch MAX. ON–Time (VFB = 1.0 V, VOUT = 3.3 V)
tON
0.8
1.4
2.0
mS
LX Switch MIN. OFF–Time (VFB = 1.0 V, VOUT = 3.3 V)
tOFF
0.22
0.25
0.46
mS
FB Input Current
IFB
1.5
20
nA
LBI/SHDN Input Current
ILBI, ISHDN
1.5
8.0
nA
LBO1/LBO2 Low Output Voltage (VLBI = 0, ISINK = 1.0 mA)
VLBO_L1
VLBO_L2
0.08
0.08
V
LBI/SHDN Input Threshold for LBO1
VLBI1
1.172
1.190
1.200
V
LBI/SHDN Input Threshold for LBO2
VLBI2
0.904
0.944
0.965
V
LBI/SHDN Input Threshold, Low
VSHDN_L
0.3
V
LBI/SHDN Input Threshold, High
VSHDN_H
0.6
V
5. Loading capability decreases with VOUT.
PIN FUNCTION DESCRIPTION
Pin No.
Pin Name
Pin Description
1
FB
Output Voltage Feedback Input.
2
LBI/SHDN
Low–Battery Detector Input and Shutdown Control input multi–function pin.
3
LBO1
Open–Drain Low–Battery Detector Output. Output is LOW when VLBI is < 1.172 V. LBO1 is high
impedance during shutdown.
4
REF
1.190 V Reference Voltage Output, bypassing with 150 nF capacitor if this pin is not loaded,
bypassing with 1
µF if this pin is loaded up to 2.5 mA @ VOUT = 3.3 V.
5
LBO2
Open–Drain Low–Battery Detector Output. Output is LOW when VLBI is < 0.904 V. LBO2 is high
impedance during shutdown.
6
GND
Ground
7
LX
N–Channel and P–Channel Power MOSFET Drain Connection.
8
OUT
Power Output. OUT provides bootstrap power to the IC.


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