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TPS40060PWP датащи(PDF) 3 Page - Texas Instruments

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номер детали TPS40060PWP
подробное описание детали  WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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TPS40060
TPS40061
www.ti.com
SLUS543F – DECEMBER 2002 – REVISED JUNE 2013
ELECTRICAL CHARACTERISTICS
TA = –40°C to 85°C, VIN = 24 Vdc, RT = 165 kΩ, IKFF = 113 µA, fSW = 300 kHz, all parameters at zero power dissipation (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT SUPPLY
VIN
Input voltage range, VIN
10
55
V
OPERATING CURRENT
IDD
Quiescent current
Output drivers not switching
1.5
2.5
mA
5-V REFERENCE
VBP5
Input voltage
4.5
5.0
5.5
V
OSCILLATOR/RAMP GENERATOR(1)
fOSC
Frequency
270
300
330
kHz
VRAMP PWM ramp voltage
(2)
2
VIH
High-level input voltage, SYNC
2
V
VIL
Low-level input voltage, SYNC
0.8
ISYNC
Input current, SYNC
5
10
µA
Pulse width, SYNC
Pulse amplitude = 5 V
50
ns
VRT
RT voltage
2.32
2.50
2.68
V
Maximum duty cycle
VFB = 0 V, 100 kHz ≤ fSW≤ 1 MHz
85%
98%
Minimum duty cycle
VFB ≥ 0.75 V
0%
VKFF
Feed-forward voltage
3.35
3.50
3.65
V
IKFF
Feed-forward current operating range(2)
20
1100
µA
SS/SD (SOFT START)
ISS
Soft-start source current
1.5
2.3
2.9
µA
VSS
Soft-start clamp voltage
3.1
3.7
4.0
V
tDSCH
Discharge time
CSS = 220 pF
1.6
2.2
2.9
µs
tSS
Soft-start time
CSS = 220 pF, 0 V ≤ VSS ≤ 1.6 V
120
155
235
SS/SD (SHUTDOWN)
VSD
Shutdown threshold voltage
90
130
160
VEN
Device action threshold voltage
170
210
260
mV
Hysteresis
80
10-V REFERENCE
VBP10
Input voltage
9.0
9.7
10.7
V
ERROR AMPLIFIER
TA = 25°C
0.698
0.700
0.704
VFB
Feedback regulation voltage
0°C
≤ TA ≤ 85°C
0.690
0.700
0.707
V
0.690
0.700
0.715
GBW
Gain bandwidth
3
5
MHz
AVOL
Open loop gain
60
80
dB
IOH
High-level output source current
VCOMP = 2.0 V, VFB = 0 V
1.5
4.0
mA
IOL
Low-level output sink current
VCOMP = 2.0 V, VFB = 1 V
2.5
4.0
IBIAS
Input bias current
VFB = 0.7 V
100
300
nA
VOH
High-level output voltage
IOH = 0.5 mA, VFB = 0 V
3.25
3.45
3.60
V
VOL
Low-level output voltage
IOL = 0.5 mA, VFB = 1 V
0.050
0.215
0.350
(1)
KFF current (IKFF) increases with SYNC frequency (fSYNC) and decreases with maximum duty cycle (DMAX).
(2)
Ensured by design. Not production tested.
Copyright © 2002–2013, Texas Instruments Incorporated
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