TPS54610
SLVS398D − JUNE 2001 − REVISED JULY 2003
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INTERNAL BLOCK DIAGRAM
AGND
VIN
Enable
Comparator
Falling
Edge
Deglitch
2.5
µs
SHUTDOWN
Thermal
Shutdown
150°C
VBIAS
SS/ENA
1.2 V
VBIAS
ILIM
Comparator
REG
VIN
3−6V
Hysteresis: 0.03
V
VIN UVLO
Comparator
VIN
2.95 V
Leading
Edge
Blanking
100 ns
BOOT
30 mΩ
SS_DIS
SHUTDOWN
PH
LOUT
CO
VO
Hysteresis: 0.16
V
Falling
and
Rising
Edge
Deglitch
2.5
µs
Internal/External
Slow-start
(Internal Slow-start Time = 3.35 ms
+
−
Error
Amplifier
PWM
Comparator
R Q
S
Adaptive Dead-Time
and
Control Logic
VIN
30 mΩ
Reference
VREF = 0.891 V
OSC
Powergood
Comparator
VSENSE
0.90 Vref
TPS54610
Hysteresis: 0.03 Vref
VSENSE
COMP
RT
SYNC
SHUTDOWN
PGND
PWRGD
Falling
Edge
Deglitch
35
µs
ADDITIONAL 6A SWIFT DEVICES, (REFER TO SLVS397 AND SLVS400)
DEVICE
TPS54611
TPS54612
TPS54613
OUTPUT VOLTAGE
0.9 V
1.2 V
1.5 V
DEVICE
TPS54614
TPS54615
TPS54616
OUTPUT VOLTAGE
1.8 V
2.5 V
3.3 V
DEVICE
TPS54672
TPS54673
TPS54680
OUTPUT VOLTAGE
DDR memory/Adjustable
Prebias/adjustable
Sequencing/adjustable
RELATED DC/DC PRODUCTS
D
TPS40000—Low-input, voltage-mode synchronous buck controller
D
TPS759xx—7.5 A low dropout regulator
D
PT6440 series—6 A plugin modules
6
TI [ TEXAS INSTRUMENTS ]
