TPS65163 Datasheet, PDF (3/43 Pages) Texas Instruments – LCD Bias Supply With Integrated Level Shifters

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RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
V_IN
V_S
C_IN
L
C_OUT
L
C_OUT
T_A
T_J
Supply voltage range
Boost converter output voltage range
Input capacitance
Boost converter inductance
Boost converter output capacitance
Buck converter inductance
Buck converter output capacitance
Operating ambient temperature
Operating junction temperature
TPS65163
SLVSA28 – OCTOBER 2009
MIN
8.6
V_IN + 1
10
6.8
40
6.8
20
–40
–40
TYP MAX UNIT
12 14.7
V
15 18.5
V
20
44
µF
10
15
µH
60
100
µF
10
15
µH
44
100
µF
25
85
°C
85
125
°C
ELECTRICAL CHARACTERISTICS
V_IN = 12 V; V_S = 16 V; V_LOGIC = 3.3 V; V_GH1 = V_GH2 = 30 V; V_GL = –7 V; T_A = –40°C to 85°C; typical values are at 25°C (unless
otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
POWER SUPPLY
I_IN
UVLO
Supply current
UVLO threshold
1
15 mA
7.8
8.2 8.5 V
V_HYS
UVLO hysteresis
V
INTERNAL OSCILLATOR
f_SW
Switching frequency
VOLTAGE REFERENCE
600
750 900 kHz
V_REF
Voltage reference
BOOST CONVERTER
1.24
V
V_S
V_FB
I_FB
I_LIM
I_LEAK
r_DS(ON)
t_SW
Output voltage
Feedback regulation voltage
Feedback input bias current
Switch current limit
Switch leakage current
Switch ON resistance
Switching time
Line regulation
Load regulation
V_OVP
Overvoltage threshold
I_SS
Soft-start capacitor charge current
V_FB(SC) Short circuit threshold
GATE DRIVE SIGNAL
Measured after isolation switch
V_FB = 1.24 V
V_SW = 15 V
I_SW = I_LIM
Turnon and turnoff
9.6 V < V_IN < 14.4 V, I_S = 750 mA
V_S = 17 V, I_S = 100 mA to 1.5 A
V_FB rising
V_IN+1
1.228
18.5 V
1.24 1.252 V
±0.01
±1 µA
2.8
3.5 4.2 A
10 µA
0.15 0.25 Ω
10
ns
0.02
%/V
0.1
%/A
1.03 × V_FB
V
11
µA
200
mV
V_GD
Output low voltage
I_LK
Leakage current
I_GD = 500 µA (sinking)
V_GD = 20 V
0.5 V
0.05
1 µA
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