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L6984ATR Datasheet(PDF) 8 Page - STMicroelectronics

Part # L6984ATR
Description  36 V 400 mA synchronous step-down switching regulator
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6984ATR Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L6984
8/34
DocID025378 Rev 3
IQ OPVIN Quiescent current from VIN
LCM - SWO
VREF < VFB < VOVP (SLEEP)
VBIAS = 3.3 V
(2)
11
26
41
A
LCM - NO SWO
VREF < VFB < VOVP (SLEEP)
VBIAS = GND
(2)
90
160
230
LNM - SWO
VREF < VFB < VOVP
VBIAS = 3.3 V
11
26
42
LNM - NO SWO
VREF < VFB < VOVP
VBIAS = GND
200
320
440
IQ OPVBIAS Quiescent current from VBIAS
LCM - SWO
VREF < VFB < VOVP (SLEEP)
VBIAS = 3.3 V
(2)
80
150
200
LNM - SWO
VREF < VFB < VOVP
VBIAS = 3.3 V
180
300
390
Enable
EN
EN thresholds
Device inhibited
1.1
V
Device enabled
2.6
EN hysteresis
(3)
650
mV
Overvoltage protection
VOVP
Overvoltage trip (VOVP/VREF)
Rising edge
18
23
28
%
PGOOD
VPGD L
Power good LOW threshold
VFB rising edge
(PGOOD high impedance)
(3)
90
%
VFB falling edge
(PGOOD low impedance)
84
88
92
VPGD H
Power good HIGH threshold
Internal FB rising edge
(PGOOD low impedance)
VFB = VCC
118
123
128
Internal FB falling edge
(PGOOD high impedance)
VFB = VCC
(3)
100
VPGOOD PGOOD open collector output
VIN > VIN_UVLO_H,
VFB=GND
4 mA sinking load
0.6
V
2.9 < VIN < VIN_UVLO_H
100
A sinking load
0.6
V
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit



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