NCP5680 Просмотр технического описания (PDF) - ON Semiconductor
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NCP5680 Datasheet PDF : 27 Pages
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NCP5680
POWER SUPPLY SECTION: (Typical values are referenced to TA = +25°C, Min & Max values are referenced −40°C to +85°C ambient
temperature, unless otherwise noted), operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.
Pin Symbol
Rating
Min
Typ
Max
Unit
24
Vbat Power Supply
19
Iout Continuous DC Current in the Load @ 3.0 V < Vbat < 3.2 V (Note 12)
Continuous DC Current in the Load @ 3.6 V < Vbat < 5.5 V (Note 12)
19
IscL Continuous Output Short Circuit Current
IscH
2.7
5.5
V
220
mA
400
50
mA
100
19
Vout Output Voltage Regulation (4.5 V < Vout < 5.3 V) (See Table 5)
−100
+100
mV
19
Tcy DC/DC Re−Cycling Time (Cout = 0.50 Farad), Vbat = 4.2 V, IICH = 500
2
s
mA. From the end of the previous flash to the full load operation
24
Istdb Stand By Current, Vbat = 3.6 V, Iout = 0 mA, DC/DC = Off, Vbias = Off
1.0
mA
24
Iop
Operating Current, @ Iout = 0 mA, Vbat = 3.6 V following a reset state
0.6
mA
7, 11 IFTOL Power Flash Output Current Tolerance: −25°C < TA < 85°C (Note 8)
@Vbat = 3.8 V, ILED ≥ 500 mA (See Figure 10)
−5
%
+5
9, 10
ITTOL
Torch Output Current Tolerance
I Torch @ Vds1 (Note 10)
I Torch @ Vds2 (Note 10)
−15
+15
%
10
100
mA
10
100
mA
10
IIND Indicator LED Current
− Indicator Mode @ Vds1 (Note 11)
−25
+25
%
0.1
6.3
mA
Fpwr Clock Operating Frequency @ TA = 25°C
7. The external shunt resistor shall be ±1% tolerance or better
8. The external sense resistor shall be ±1% tolerance or better
9. The maximum LED current depends upon the external NMOS device
10. The Vgs1 and Vgs2 pins are deactivated when the Torch mode is operating
11. The Vgs1 and Vgs2 pins are deactivated when the Indicator mode is operating
12. Parameter characterized, not tested in production, guaranteed by design.
0.85
1.0
1.15
MHz
PROGRAMMABLE AND POWER UP PRESET CONDITION SECTION
Pin Symbol
Rating
19
IICH Programmable SuperCAP Re−Charge Current Range
A ±8% tolerance applies to each step of the five steps (Note 7)
7, 11
7, 11
IFLSH
Tpfl
Programmable Flash Output Current Range (Note 8) See Figure 10
Programmable Power Flash Width Range
7, 11 Tout Automatically Preset Power Flash Security Time Out @ Power Up
Min
Typ
Max
Unit
100
500
mA
0.4
6.3
A
0.01
255
ms
50
ms
ANALOG SECTION: (Typical values are referenced to TA = +25°C, Min & Max values are referenced −40°C to +85°C ambient
temperature, unless otherwise noted), operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.
Pin Symbol
Rating
Min
Typ
Max
Unit
14
Ibias Super Cap Bias Voltage Current Capability (Vbias = VCC/2)
1.0
1
VVSD Photo Sense Supply @ Iph = 2 mA
2.5
2
VPHSEN Input Photo Sense Voltage
6
VNTC Input Negative Coefficient Sensor Voltage (See NTCREG Register)
2
VMSK Input Synchronization Transmit Mask
2.1
5
RTRG Internal Pull−Down Resistor
7, 11
Viref Input Voltage to Current Conversion across the Shunt Resistor during a
95
Flash Sequence @ Rsense = 0.1 W (Notes 12 and 13)
mA
V
1.7
V
2.0
V
2.5
V
100
kW
100
105
mV/A
TSD Thermal Shutdown
145
°C
TSDh Thermal Shutdown Hysteresis
20
°C
13. The overall output current tolerance depends upon the accuracy of the external resistor. Using 1% or better resistor is recommended.
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