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PM6675STR Datasheet(PDF) 10 Page - STMicroelectronics

Part # PM6675STR
Description  High efficiency step-down controller with embedded 2 A LDO regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6675STR Datasheet(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
PM6675S
10/53
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
SMPS output
VOUT
SMPS fixed output voltage
VSEL connected to AVCC,
NOSKIP tied to SGND, No Load
1.5
V
Feedback output voltage
accuracy
-1.5
1.5
%
Current limit and zero crossing comparator
ICSNS
CSNS input bias current
90
100
110
µA
Comparator offset
-6
6
mV
Positive current limit threshold VPGND - VCSNS
100
Fixed negative current limit
threshold
110
VZC,OFFS
Zero crossing comparator
offset
-11
-5
1
High and low side gate drivers
HGATE driver on-resistance
HGATE high state (pull-up)
2.0
3
Ω
HGATE low state (pull-down)
1.8
2.7
LGATE driver on-resistance
LGATE high state (pull-up)
1.4
2.1
LGATE low state (pull-down)
0.6
0.9
UVP/OVP protections and PGOOD signals
OVP
Over voltage threshold
112
115
118
%
UVP
Under voltage threshold
67
70
73
PGOOD
SMPS upper threshold
107
110
113
SMPS lower threshold
86
90
93
LDO upper threshold
107
110
113
LDO lower threshold
86
90
93
IPG,LEAK
SPG and LPG Leakage
Current
SPG and LPG forced to 5.5 V
1
µA
VPG,LOW
SPG and LPG Low Level
Voltage
ILPG,SINK = ISPG,SINK = 4 mA
150
250
mV
Soft-start section (SMPS)
Soft-start ramp time
(4 steps current limit)
23
4
ms
Soft-start current limit step
25
µA
Table 6.
Electrical characteristics (continued)
TA = 0 °C to 85 °C, VCC = AVCC = +5 V, LIN = 1.5 V and LOUT = 0.6 V, if not otherwise
specified (1)


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