Datasheet

TPS5602
DUAL, FAST, HIGH EFFICIENCY CONTROLLER FOR DSP POWER
SLVS217 – JUNE 1999
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
quiescent current
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
CC
Operating current without switching Both STBY >2.5 V,
V
I
= 4.5 V to 25 V
No switching 0.8 1.5 mA
I
(CCS)
Stand-by current Both STBY <0.5 V, V
I
= 4.5 V to 25 V 1 1000 nA
hysteretic comparator
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
hys
†
Hysteresis window 5.5 8.5 11.5 mV
V
H(off)
Offset voltage 2 mV
I
H(bias)
Bias current 10 pA
t
(HLT)
, t
(LHT)
‡
TTL input signal 230
t
(LH)
Propagation delay from INV to OUTxU
‡
10 mV overdrive on hysteretic band signal
500 650
ns
t
(HI)
10
mV
overdrive
on
hysteretic
band
signal
350 500
†
V
hys
is assured by design.
‡
The delay time in the table includes the driver.
driver deadtime
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
(DRVLH)
Low side to high side 90
ns
t
(DRVHL)
High side to low side 160
ns
standby
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
H
High-level input voltage
STBY1 STBY2
2.5 V
I
L
Low-level input voltage
STBY1
,
STBY2
0.5 V
Tturn-on
Pro
p
agation delay
Staby to driver out
p
ut
7.2
µs
Tturn-off
Pro agation
delay
Staby
to
driver
out ut
4.8
µs
5 V regulator
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
O
Output voltage I = 10 mA 4.7 5.3 V
V
I(Regin)
Load regulation
V
CC
= 5.5 V to 25 V, I = 10 mA 20
mV
V
I(Regl)
Load
regulation
I = 1 mA to 10 mA, V
CC
= 5.5 V 40
mV
I
OS
Short-circuit output current Vref = 0 V 80 mA