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TPS563209 Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS563209
Description  4.5V to 17 V Input, 2-A, 3-A Synchronous Step-Down Voltage Regulator in 6pin SOT-23
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS563209 Datasheet(HTML) 5 Page - Texas Instruments

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TPS562209, TPS563209
www.ti.com
SLVSCM5 – SEPTEMBER 2014
7.5 Electrical Characteristics
TJ = -40°C to 150°C, VIN = 12V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
µA
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
3.0
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, continuous mode
VFBTH
VFB threshold voltage
758
765
772
mV
operation
IVFB
VFB input current
VFB = 0.8V, TA = 25°C
0
±0.1
mA
MOSFET
TA = 25°C, VBST – SW = 5.5 V (TPS562209)
122
RDS(on)h High side switch resistance
m
Ω
TA = 25°C, VBST – SW = 5.5 V (TPS563209)
68
TA = 25°C (TPS562209)
72
RDS(on)l
Low side switch resistance
m
Ω
TA = 25°C (TPS563209)
39
CURRENT LIMIT
DC current, VOUT = 1.05V , L1 = 2.2 µH
2.5
3.2
4.3
Iocl
Current limit(1)
A
DC current, VOUT = 1.05V , L1 = 1.5 µH
3.5
4.2
5.3
THERMAL SHUTDOWN
Shutdown temperature
155
TSDN
Thermal shutdown threshold(1)
°C
Hysteresis
35
ON-TIME TIMER CONTROL
tON
On time
VIN = 12 V, VO = 1.05 V
150
ns
tOFF(MIN) Minimum off time
TA = 25°C, VFB = 0.5 V
260
310
ns
SOFT START
Tss
Soft –start time
Internal soft-start time, TA = 25°C
0.7
1.0
1.3
ms
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
125%x
VOVP
Output OVP threshold
OVP Detect
Vfbth
65%xVf
VUVP
Output UVP threshold
Hiccup detect
bth
THiccupO
Hiccup Power On Time
Relative to soft start time
1
ms
n
THiccupOf
Hiccup Power Off Time
Relative to soft start time
7
ms
f
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 © 2014, Texas Instruments Incorporated
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