L6926D View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
L6926D Datasheet PDF : 8 Pages
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L6926D
ELECTRICAL CHARACTERISTICS (Tj = 25°C, VCC = 3.6V unless otherwise specified)
Symbol
Parameter
Test Condition
Min
Typ
Vcc
Operating input voltage
After Turn on
2
Vcc ON Turn On threshold
2.2
Vcc OFF Turn Off threshold
Vcc hys Hysteresis
100
Rp
High side Ron
Vcc = 3.6V, Ilx =100mA
240
Rn
Low side Ron
Vcc = 3.6V, Ilx =100mA
215
Ilim
Peak current limit
Vcc = 3.6V
1.2
Valley current limit
Vcc = 3.6V
1.4
Vout
Output voltage range
Vfb
fosc
Oscillator frequency
600
fsync
Sync mode clock (*)
500
DC CHARACTERISTICS
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
Voltage feedback
0.593 0.6
Ifb
Feedback input current (*)
VFB = 0.6V
25
RUN
Vrun_H RUN threshold high
Vrun_L RUN threshold low
0.4
Irun
RUN input current (*)
25
SYNC/MODE FUNCTION
Vsync_H Sync mode threshold high
Vsync_L Sync mode threshold low
0.5
PGOOD SECTION
VPGOOD Power Good Threshold
VOUT = Vfb
90
∆VPGOOD Power Good Hysteresis
VOUT = Vfb
4
VPgood(low) Power Good Low Voltage
Run to GND
ILK-PGOOD Power Good Leakage Current VPGOOD = 3.6V
50
(*)
PROTECTIONS
HOVP Hard overvoltage threshold
VOUT = Vfb
10
(*) Guaranteed by design
Max
5.5
2
Vcc
1400
0.607
1.3
1.3
0.4
Unit
V
V
V
mV
mΩ
mΩ
A
A
V
KHz
KHz
µA
µA
µA
µA
µA
V
nA
V
V
nA
V
V
%Vout
%Vout
V
nA
%Vout
3/8
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