Datasheet

TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 7 V
(unless otherwise noted) (continued)
5-V regulator
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
O
Output voltage I = 10 mA 4.7 5.3 V
Regin
†
Line regulation V
CC
= 5.5 V to 25 V, I = 10 mA 20 mV
Regl
†
Load regulation I = 1 mA to 10 mA, V
CC
= 5.5 V 40 mV
I
OS
Short-circuit output current V
ref
= 0 V 70 mA
†
Not a JEDEC symbol.
5-V switch
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IT(high)
Threshold voltage
4.2 4.9
V
V
IT(low)
Threshold
voltage
4.1 4.8
V
V
hys
Hysteresis 50 150 250 mV
UVLO
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IT(high)
Threshold voltage
3.6 4.2
V
V
IT(low)
Threshold
voltage
3.5 4.1
V
V
hys
Hysteresis 10 150 mV
output
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
O
OUT_u sink current V
O
= 3 V 0.5 1.2 A
I
S
OUT_u source current V
O
= 2 V –1 –1.7 A
I
O
OUT_d sink current V
O
= 3 V 0.5 1.2 A
I
S
OUT_d source current V
O
= 2 V –1 –1.5 A
I
TRIP terminal current
PWM mode, V
(TRIP)
= 7 V 10 15 20
µA
I
TRIP
terminal
current
SKIP mode, V
(TRIP)
= 7 V 3 5 7
µ
A
High-side driver is GND referenced.
Input: INV = 0 – 3V
t
r
Rise time
t
r
/t
f
= 10 ns,
Frequency = 200 kHz
ns
C
L
= 2200 pF 28
C
L
= 3300 pF 39
High-side driver is GND referenced.
Input: INV = 0 – 3 V
t
f
Fall time
t
r
/t
f
= 10 ns, Frequency = 200 kHz
ns
C
L
= 2200 pF 30
C
L
= 3300 pF 38