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TPS563219DDFR Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS563219DDFR
Description  4.5-V to 17-V Input, 2-A, 3-A Synchronous Step-Down Voltage Regulator in 8 Pin SOT-23
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS563219DDFR Datasheet(HTML) 5 Page - Texas Instruments

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TPS562219, TPS563219
www.ti.com
SLVSCM7A – FEBRUARY 2015 – REVISED AUGUST 2015
7.5 Electrical Characteristics
TJ = –40°C to 150°C, VIN = 12 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
IVIN
Operating – non-switching supply current
VIN current, TA = 25°C, EN = 5V, VFB = 0.8 V
650
900
µA
IVINSDN
Shutdown supply current
VIN current, TA = 25°C, EN = 0 V
3
10
µA
LOGIC THRESHOLD
VENH
EN high-level input voltage
EN
1.6
V
VENL
EN low-level input voltage
EN
0.6
V
REN
EN pin resistance to GND
VEN = 12 V
225
450
900
k
Ω
VFB VOLTAGE AND DISCHARGE RESISTANCE
TA = 25°C, VO = 1.05 V
757
765
773
VFBTH
VFB threshold voltage
TA = 0°C to 85°C, VO = 1.05 V
(1)
753
777
mV
TA = -40°C to 85°C, VO = 1.05 V
(1)
751
779
IVFB
VFB input current
VFB = 0.8V, TA = 25°C
0
±0.1
µA
MOSFET
TA = 25°C, VBST – SW = 5.5 V, TPS562219
133
RDS(on)h
High side switch resistance
m
Ω
TA = 25°C, VBST – SW = 5.5 V, TPS563219
68
TA = 25°C, TPS562219
80
RDS(on)l
Low side switch resistance
m
Ω
TA = 25°C, TPS563219
39
CURRENT LIMIT
DC current, VOUT = 1.05V, L1 = 2.2 µH,
2.5
3.2
4.3
TPS562219
Iocl
Current limit(1)
A
DC current, VOUT = 1.05V, L1 = 1.5 µH,
3.5
4.2
5.3
TPS563219
THERMAL SHUTDOWN
Shutdown temperature
155
TSDN
Thermal shutdown threshold(1)
°C
Hysteresis
35
SOFT START
SS charge current
Vss = 0.5 V
4.2
6
7.8
µs
Iss
SS discharge current
Vss = 0.5 V, EN = L
0.75
1.3
mA
POWER GOOD
VFB rising (Good)
85%
90%
95%
VTHPG
PG threshold
VFB falling (Fault)
85%
IPG
PG sink current
PG = 0.5 V
0.5
1
mA
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
125%x
VOVP
Output OVP threshold
OVP Detect
Vfbth
65%x
VUVP
Output UVP threshold
Hiccup detect
Vfbth
THiccupOn
Hiccup Power On Time
1
ms
THiccupOff
Hiccup Power Off Time
7
UVLO
Wake up VIN voltage
3.45
3.75
4.05
UVLO
UVLO threshold
V
Hysteresis VIN voltage
0.13
0.32
0.55
(1)
Not production tested.
Copyright © 2015, Texas Instruments Incorporated
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