TPS5120-Q1 Datasheet, PDF (10/21 Pages) Texas Instruments – DUAL OUTPUT, TWO-PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER

TPS5120ĆQ1
DUAL OUTPUT, TWOĆPHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
SGLS225B − JANUARY 2004 − REVISED APRIL 2008
electrical characteristics over recommended free-air temperature range, V_CC = 7 V (unless
otherwise noted) (continued)
5-V regulator
PARAMETER
VO
Output voltage
R(egin)
R(egl)
IOS
V(TO_H)
V(TO_L)
Vhys
Line regulation
Load regulation
Short circuit output current
UVLO threshold voltage
Hysteresis
TEST CONDITIONS
IO = 0 mA to 50 mA,
TA = 25°C
VCC = 5.5 V to 28 V,
VCC = 5.5 V to 28 V,
I = 1 mA to 10 mA,
5VREG = 0 V,
I =10 mA
VCC = 5.5 V
TA = 25°C
5V_OUT voltage
5V_OUT voltage
MIN TYP MAX UNIT
4.8
5.2 V
20 mV
40 mV
65
mA
3.6
4.2
V
3.5
4.1
20
150 mV
output drivers
PARAMETER
OUT_u sink current
OUT_u source current
OUT_d sink current
OUT_d source current
I(TRIP) TRIP pin current
TEST CONDITIONS
VO = 3 V
VO = 2 V
VO = 3 V
VO = 2 V
TA = 25°C
MIN TYP MAX UNIT
1.2
A
−1.5
A
1.5
A
−1.5
A
11.5
13 14.5 µA
soft start
PARAMETER
I(SOFT)
V(TO_H)
V(TO_L)
Soft start current
Threshold voltage (SKIP mode)
output voltage monitor
PARAMETER
OVP comparator threshold
UVP comparator threshold
PG comparator 1, 2 threshold
PG comparator 3, 4 threshold
PG propagation delay from INV to POWERGOOD
Timer latch current source
TEST CONDITIONS
MIN TYP MAX UNIT
1.6 2.3 2.9 µA
3.7
V
2.5
TEST CONDITIONS
Turnon
Turnoff
UVP protection
OVP protection
MIN TYP MAX UNIT
0.91 0.95 0.99 V
0.64 0.68 0.72 V
0.75 0.78 0.81 V
0.88 0.91 0.94 V
13
µs
1.2
1.5 2.3
8 11.5
3.1
µA
15
supply current
PARAMETER
ICC
Supply current
ICC(S) Shutdown current
TEST CONDITIONS
TA = 25°C, CT = 0 V, INV = 0 V
STBY 1, STBY2, 5V_STBY = 0 V
MIN TYP
1.1
0.001
MAX
1.5
10
UNIT
mA
µA
10
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