Datasheet

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ELECTRICAL CHARACTERISTICS
TPS65150
SLVS576 – SEPTEMBER 2005
RECOMMENDED OPERATING CONDITIONS (continued)
MIN TYP MAX UNIT
T
J
Operating junction temperature –40 125 ° C
VIN = 3.3 V, Vs = 10 V, T
A
= –40 ° C to 85 ° C, typical values are at T
A
= 25 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
V
IN
Input voltage range 1.8 6.0 V
I
QVIN
No load quiescent current into Vin Device is not switching 14 25 µA
I
QSUP
No load quiescent current into SUP Device is not switching 1.9 3 mA
I
QVCOM
VCOM quiescent current into SUP 750 1500 µA
V
UVLO
Undervoltage lockout threshold V
IN
falling 1.6 1.8 V
V
hys
Undervoltage lockout threshold V
IN
rising 1.7 1.9 V
Thermal shutdown Temperature rising 155 ° C
Thermal shutdown hysteresis 10 ° C
LOGIC SIGNALS CTRL
V
IH
High level input voltage 1.6 V
V
IL
Low level input voltage 0.4 V
I
I
Input leakage current CTRL=GND or VIN 0.01 0.2 µA
MAIN BOOST CONVERTER
V
S
Output voltage range 15 V
V
FB
Feedback regulation voltage 1.136 1.146 1.154 V
I
FB
Feedback input bias current 10 100 nA
Vs = 10 V; Isw = 500 mA 200 300
N-MOSFET on-resistance (Q1) m Ω
Vs = 5 V; Isw = 500 mA 305 450
R
DS(on)
Vs = 10 V; Isw = 500 mA 8 15
P-MOSFET on-resistance (Q2) Ω
Vs = 5 V; Isw = 500 mA 12 22
I
MAX
Maximum P-MOSFET peak switch current 1 A
I
LIM
N-MOSFET switch current limit (Q1) 2.0 2.5 3.4 A
Ileak Switch leakage current V
sw
= 15 V 1 10 µA
Vovp Output overvoltage protection V
OUT
rising 16 20 V
f
OSC
Oscilator frequency 1.02 1.2 1.38 MHz
Line regulation Vin=1.8V to 5.0V, Iload=1mA 0.007 %/V
Load regulation Vin=5V, Iload=0A to 400mA 0.16 %/A
NEGATIVE CHARGE PUMP VGL
VGL Output voltage range –2 V
V
REF
Reference Voltage on pin REF 1.205 1.213 1.219 V
V
FB
Feedback regulation voltage –36 0 36 mV
I
FB
Feedback input bias current 10 100 nA
R
DS(on)
Q4 P-Channel switch RDSon I
OUT
= 20 mA 4.4 Ω
I
DRN
= 50 mA, 130 300
V
FBN
= V
FBNNominal
– 5%
V
DropN
Current sink voltage drop
(1)
mV
I
DRN
= 100 mA, 280 450
V
FBN
= V
FBNNominal
– 5%
Load regulation VGL=-5V, Iload=0mA to 20mA 0.016 %/mA
POSITIVE CHARGE PUMP OUTPUT
V
CPO
Output voltage range CTRL = GND, VGH = open 30 V
(1) The maximum charge pump output current is half the drive current of the internal current source or sink.
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