Datasheet

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ELECTRICAL CHARACTERISTICS
TPS40130
SLUS602B – JUNE 2004 – REVISED SEPTEMBER 2005
T
A
= -40°C to 85°C, V
IN
= 12 V, R
RT
= 64.9 k Ω , T
J
= T
A
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN5 INPUT SUPPLY
V
IN
Operating voltage range, VIN5 4.5 5.0 5.5 V
I
IN
Shutdown current, VIN5 EN/SYNC = GND 1 5 µA
Operating current Outputs switching, No load 0.5 1.0 1.5 mA
BP5 INPUT SUPPLY
Operating voltage range 4.3 5.0 5.5 V
I
BP5
Operating current V
FB
< V
REF
, Outputs switching, no external FETs 2 3 5 mA
Turn-on BP5 rising 4.00 4.25 4.45 V
Turn-off hysteresis
(1)
150 mV
OSCILLATOR/SYNCHRONIZATION
Phase frequency accuracy R
T
= 64.9 k Ω 360 415 455
Phase frequency set range
(1)
100 1200 kHz
Synchronization frequency range
(1)
800 9600
Synchronization input threshold
(1)
V
BP5
/2 V
EN/SYNC
Enable threshold Pulse width > 50 ns 0.8 1.0 1.5
V
Voltage capability
(1)
V
BP5
PWM
Maximum duty cycle per channel
(1)
87.5%
Minimum duty cycle per channel
(1)
0
VREF
Voltage reference I
LOAD
= 100 µA 0.687 0.700 0.709 V
ERROR AMPLIFIER
Voltage feedback, trimmed (including
V
FB
0.691 0.700 0.705
differential amplifier)
V
CMRR Input common mode range
(1)
0.0 0.7 2.0
Input bias current V
FB
= 0.7 V 55 150 nA
Input offset voltage Value trimmed to zero 0 V
I
SRC
Output source current
(1)
V
COMP
= 1.1 V, V
FB
= 0.6 V 1 2
mA
I
SINK
Output sink current
(1)
V
COMP
= 1.1 V, V
FB
=V
BP5
1 2
V
OH
High-level output voltage I
COMP
= -1 mA 2.5 2.9
V
V
OL
low-level output voltage I
COMP
= 1 mA 0.5 0.8
G
BW
Gain bandwidth
(1)
3 5 MHz
A
VOL
Open loop gain
(1)
60 90 dB
(1) Ensured by design. Not production tested.
4
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