TPS50601-SP Datasheet, PDF (8/40 Pages) Texas Instruments – 6-A Synchronous Buck Converter

TPS50601-SP
SLVSD45 – DECEMBER 2015
7.4 Thermal Information
THERMAL METRIC⁽¹⁾
R_θJC(bot)
Junction-to-case (bottom) thermal resistance
(1) Taken per Mil Standard 883 method 1012.1
7.5 Electrical Characteristics
T_J = –55°C to 125°C, V_IN = 3 V to 6.3 V, P_VIN = 1.6 V to 6.3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
SUPPLY VOLTAGE (VIN AND PVIN PINS)
PVIN operating input voltage
VIN operating input voltage
VIN internal UVLO threshold
VIN internal UVLO hysteresis
V_IN rising
VIN shutdown supply current
VIN operating – non switching supply current
ENABLE AND UVLO (EN PIN)
V_EN = 0 V
V_SENSE = V_BG
Enable threshold
Rising
Falling
Input current
Hysteresis current
VOLTAGE REFERENCE
V_EN = 1.1 V
V_EN = 1.3 V
–55°C
Voltage reference
0 A ≤ Iout ≤ 6 A
25°C
125°C
MOSFET
High-side switch resistance
High-side switch resistance⁽¹⁾
Low-side switch resistance⁽¹⁾
ERROR AMPLIFIER
Error amplifier transconductance (g_m)⁽²⁾
Error amplifier dc gain⁽²⁾
Error amplifier source/sink⁽²⁾
Start switching threshold⁽²⁾
COMP to Iswitch gm⁽²⁾
BOOT-PH = 2.2 V
BOOT-PH = 6.3 V
V_IN = 6.3 V
–2 μA < I_COMP < 2 μA, V_(COMP) = 1 V
V_SENSE = 0.792 V
V_(COMP) = 1 V, 40-mV input overdrive
CURRENT LIMIT
High-side switch current limit threshold ⁽³⁾
Low-side switch sourcing current limit⁽³⁾
Low-side switch sinking current limit
THERMAL SHUTDOWN
V_IN = 6.3 V
V_IN = 6.3 V
V_IN = 6.3 V
Thermal shutdown
Thermal shutdown hysteresis
INTERNAL SWITCHING FREQUENCY
Internally set frequency
RT = Open
TPS50601-SP
HKH (CFP)
20 PINS
0.514
MIN TYP
1.6
3
2.75
50
2.5
5
1.13
1.05 1.09
3.2
3
0.767
0.785
0.785
0.795
0.795
0.795
55
50
50
1300
39000
±125
0.25
18
8
11
7
10
3
175
10
395
500
www.ti.com
UNIT
°C/W
MAX UNIT
6.3 V
6.3 V
3V
mV
5.9 mA
10 mA
1.18
V
μA
μA
0.804
0.804 V
0.815
mΩ
mΩ
mΩ
μS
V/V
μA
V
A/V
A
A
A
°C
°C
585 kHz
(1) Measured at pins
(2) Ensured by design only. Not tested in production.
(3) Parameter is not tested in production.
8
Submit Documentation Feedback
Product Folder Links: TPS50601-SP
Copyright © 2015, Texas Instruments Incorporated