NCP5008 データシートの表示（PDF） - ON Semiconductor
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NCP5008 Datasheet PDF : 17 Pages
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NCP5008, NCP5009
POWER SUPPLY SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.)
Rating
Pin Symbol
Min
Typ
Max Unit
Power Supply
Power Supply Threshold Startup Voltage
Output Load Voltage Compliance
Pulsed Current Regulation Range
Continuous DC Current in the Load
Output Pulsed Current Tolerance @ Vbat = 3.6 V, L1 = 22 mH/0.71 W,
Rref "1%, ILED = 20 mA (Note 1)
10
Vbat
10
VbatThr
8
Vout
8
Iout
8
Iout
8
Iout
2.7
−
6.0
V
−
2.3
2.7
V
−
−
15.0
V
0
−
400
mA
−
−
75
mA
−
"5.0
−
%
Output Leakage @ LOCAL = 0, CS = H, Vout = 15 V, Vbat = 6.0 V
8
Iout
Standby Current @ Iout = 0 mA, CS = H, CLK = H, Vbat = VBIAS = 3.6 V
10
Istdb
Standby Current @ Iout = 0 mA, CS = H, CLK = H, Vbat = VBIAS = 6.0 V
10
Istdb
Operating Current @ Vbat = VBIAS = 3.6 V, Iref = 30 mA, CLK = H, CS = L,
10
Iope
LOCAL = Open
−
−
500
nA
−
3.0
−
mA
−
−
10
mA
−
600
−
mA
Boost Internal Oscillator Clock @ L1 = 22 mH, Vbat = VBIAS = 3.6 V,
Iout = 20 mA (Vout = 14 V)
−
Fosc
−
300
−
kHz
1. The tolerance refers to the 20 mA to 70 mA current range.
DIGITAL SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.)
Rating
Pin Symbol
Min
Typ
Max
High Level Input Voltage
Low Level Input Voltage
Input Capacitance
(Note 2) 3, 5
(Note 2)
VIH
0.7*Vbat
−
Vbat
VIL
−
−
0.3*Vbat
Cin
−
10
−
High Level Input Voltage
Low Level Input Voltage
Input Capacitance
(Note 2) 6
VIH
(Note 2)
VIL
Cin
−
0.6*Vbat
−
−
0.4*Vbat
−
−
10
−
LOCAL Pullup Resistor
6
Rloc
20
−
80
LOCAL Leakage Current
9
ILoc
−
−
100
CS Pullup Resistor
3
Rcs
20
−
80
Minimum CS Low Time
3
Tcssetup
250
−
−
Clock Frequency
5
FCLK
−
−
5.0
CLOCK tr and tf
5 trCLK, tfCLK
10
−
−
Internal Register Clear
−
tclear
10
30
−
Internal Power on Reset Width
−
tPOR
−
100
−
2. Digital inputs undershoot < − 0.30 V, Digital inputs overshoot < 0.30 V.
Unit
V
V
pF
V
V
pF
kW
nA
kW
ns
MHz
ns
ns
ms
ANALOG SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.)
Rating
Pin Symbol
Min
Typ
Max Unit
Output Voltage Range Reference @ 2.5 mA < Iref < 65 mA (Note 3)
1
Vref
1.20
1.24
1.28
V
Maximum Output Current Range Ratio
8
Iout
−
5595
−
−
Minimum Output Current Range Ratio
8
Iout
−
1119
−
−
Output Current Sense Resistor
10, 9
Rs
−
1.8
5.0
W
Output Voltage Range Reference @ 2.5 mA < Ipho < 65 mA
2
Vpho
1.20
1.24
1.28
V
Output Current Stabilization tdelay following a DC/DC startup
8
Ioutdly
−
100
−
ms
Internal NMOS Resistor @ Vbat = 3.6 V
8
QRDSON
−
2.2
3.0
W
Internal Comparator Delay Time
−
Tdcomp
−
60
−
ns
3. The overall tolerance depends upon the accuracy of the external resistor. Using a 1%/low PPM metal film resistor is recommended to achieve
"5% output current tolerance.
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