Datasheet

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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS65130, TPS65131
SLVS493B – MARCH 2004 – REVISED SEPTEMBER 2004
MIN NOM MAX UNIT
V
I
Input voltage range 2.7 5.5 V
T
A
Operating free-air temperature range -40 85 ° C
T
J
Operating virtual junction temperature range -40 125 ° C
Over recommended free-air temperature range and over recommended input voltage range, typical at an ambient
temperature of 25 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC-DC STAGE (V
POS
, V
NEG
)
Adjustable output voltage
V
POS
V
IN
+ 0.5 V 15 V
range
Adjustable output voltage
V
NEG
-15 -2 V
range
V
REF
Reference voltage I
REF
= 10 µA 1.2 1.213 1.225 V
Positive feedback input
I
FBP
V
FBP
= V
REF
50 nA
bias current
Negative feedback input
I
FBN
V
FBN
= 0.1 V
REF
50 nA
bias current
Positive feedback regu-
V
FBP
V
IN
= 2.7 V to 5.5 V 1.189 1.213 1.237 V
lation voltage
Negative feedback regu-
V
FBN
V
IN
= 2.7 V to 5.5 V -0.024 0 0.024 V
lation voltage
Total Output DC accuracy +3%
V
IN
= 3.6 V 440 620
Inverter switch
R
DS(ONN)
m Ω
on-resistance
V
IN
= 5.0 V 330 530
TPS65130 Inverter switch
I
LIMN
2.7 V < V
IN
< 5.5 V 700 800 900 mA
current limit
TPS65131 Inverter switch
I
LIM
V
IN
= 3.6 V 1800 1950 2200 mA
current limit
V
POS
= 5 V 230 300
Boost switch
R
DS(ONP)
m Ω
on-resistance
V
POS
= 10 V 170 200
TPS65130 Boost switch
I
LIMP
2.7 V < V
IN
< 5.5 V 700 800 900 mA
current limit
TPS65131 Boost switch
I
LIMP
V
IN
= 3.6 V, V
POS
= 8.0 V 1800 1950 2200 mA
current limit
Maximum duty cycle boost
D
MAXP
87.5%
converter
Maximum duty cycle in-
D
MAXN
87.5%
verting converter
Minimum duty cycle boost
D
MINP
12.5%
converter
Minimum duty cycle in-
D
MINN
12.5%
verting converter
CONTROL STAGE
f
S
Oscillator frequency 1250 1380 1500 kHz
V
ENP,ENN,PSP,PSN
High level input voltage 1.4 V
V
ENP,ENN,PSP,PSN
Low level input voltage 0.4 V
ENP, ENN, PSP,
I
ENP,ENN,PSP,PSN
Input current 0.01 0.1 µA
PSN = GND or VIN
R
BSW
Output resistance 27 k Ω
V
IN
Input voltage range 2.7 5.5 V
3