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TPS53515 Datasheet(PDF) 7 Page - Texas Instruments

Part # TPS53515
Description  TPS53515 1.5-V to 18-V (4.5-V to 25-V Bias) Input, 12-A Single Synchronous Step-Down SWIFT??Converter
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS53515 Datasheet(HTML) 7 Page - Texas Instruments

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TPS53515
www.ti.com
SLUSBN5B – AUGUST 2013 – REVISED JULY 2015
Electrical Characteristics (continued)
over operating free-air temperature range, VREG = 5 V, EN = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CURRENT DETECTION
RTRIP
TRIP pin resistance range
20
70
k
Ω
RTRIP = 52.3 kΩ
10.1
12
13.9
IOCL
Current limit threshold, valley
A
RTRIP = 38 kΩ
7.2
9.1
11.0
RTRIP = 52.3 kΩ
–15.3
–11.9
–8.5
Negative current limit threshold,
IOCLN
A
valley
RTRIP = 38 kΩ
–12
–9
–6
VZC
Zero cross detection offset
0
mV
PROTECTIONS
Wake-up
3.25
3.34
3.41
VREG undervoltage-lockout
VVREGUVLO
V
(UVLO) threshold voltage
Shutdown
3.00
3.12
3.19
Wake-up (default)
4.15
4.25
4.35
VVDDUVLO
VDD UVLO threshold voltage
V
Shutdown
3.95
4.05
4.15
VOVP
Overvoltage-protection (OVP)
OVP detect voltage
116%
120%
124%
threshold voltage
tOVPDLY
OVP propagation delay
With 100-mV overdrive
300
ns
VUVP
Undervoltage-protection (UVP)
UVP detect voltage
64%
68%
71%
threshold voltage
tUVPDLY
UVP delay
UVP filter delay
1
ms
THERMAL SHUTDOWN
Shutdown temperature
140
TSDN
Thermal shutdown threshold(2)
°C
Hysteresis
40
LDO VOLTAGE
VREG
LDO output voltage
VIN = 12 V, ILOAD = 10 mA
4.65
5
5.45
V
VDOVREG
LDO low droop drop-out
VIN = 4.5 V, ILOAD = 30 mA, TA = 25°C
mV
365
voltage
ILDOMAX
LDO overcurrent limit
VIN = 12 V, TA = 25°C
170
200
mA
INTERNAL MOSFETS
RDS(on)H
High-side MOSFET on-
TA = 25°C
m
Ω
13.8
15.5
resistance
RDS(on)L
Low-side MOSFET on-
TA = 25°C
m
Ω
5.9
7.0
resistance
Copyright © 2013–2015, Texas Instruments Incorporated
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