L6928D(2005) Ver la hoja de datos (PDF) - STMicroelectronics
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L6928D Datasheet PDF : 9 Pages
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L6928D
Table 5. Electrical Characteristics (Tj = 25°C, VCC = 3.6V unless otherwise specified)
Symbol
Parameter
Test Condition
Min
Typ
Max
Vcc
Operating input voltage
Vcc ON Turn On threshold
Vcc OFF Turn Off threshold
Vcc hys Hysteresis
Rp
High side Ron
Rn
Low side Ron
Ilim
Peak current limit
Valley current limit
Vout
Output voltage range
fosc
Oscillator frequency
fsync
Sync mode clock (*)
DC CHARACTERISTICS
After Turn on
Vcc = 3.6V, Ilx =100mA
Vcc = 3.6V, Ilx =100mA
Vcc = 3.6V
Vcc = 3.6V
2
5.5
2.2
2
100
240
215
1.2
1.4
Vfb
Vcc
1.4
1
2
Iq
Quiescent current (low noise
Vsync = 0V, no load, VFB >
230
mode)
0.6V
Quiescent current (low
Vsync = Vcc, no load, VFB
25
cunsumption mode)
> 0.6V
Ish
Shutdown current
RUN to GND, Vcc = 5.5V
0.2
Ilx
LX leakage current (*)
RUN to GND, VLX = 5.5V,
1
Vcc = 5.5V
RUN to GND, VLX = 0V,
1
Vcc = 5.5V
ERROR AMPLIFIER CHARACTERISTICS
Vfb
Ifb
RUN
Voltage feedback
Feedback input current (*)
VFB = 0.6V
0.593 0.6 0.607
25
Vrun_H RUN threshold high
Vrun_L RUN threshold low
Irun
RUN input current (*)
SYNC/MODE FUNCTION
1.3
0.4
25
Vsync_H Sync mode threshold high
Vsync_L Sync mode threshold low
PGOOD SECTION
1.3
0.5
VPGOOD
∆VPGOOD
VPgood(low)
ILK-PGOOD
Power Good Threshold
Power Good Hysteresis
Power Good Low Voltage
Power Good Leakage Current
(*)
VOUT = Vfb
VOUT = Vfb
Run to GND
VPGOOD = 3.6V
90
4
0.4
50
PROTECTIONS
HOVP Hard overvoltage threshold
VOUT = Vfb
10
(*) Guaranteed by design
Unit
V
V
V
mV
mΩ
mΩ
A
A
V
MHz
MHz
µA
µA
µA
µA
µA
V
nA
V
V
nA
V
V
%Vout
%Vout
V
nA
%Vout
3/9
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