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TPS51601ADRBR Datasheet(PDF) 4 Page - Texas Instruments

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No. de pieza TPS51601ADRBR
Descripción Electrónicos  Dual High Efficiency Synchronous MOSFET Driver
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS51601ADRBR Datasheet(HTML) 4 Page - Texas Instruments

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TPS51601A
SLUSAP3 – MAY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, VVDD = 5.0 V (unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY, UNDERVOLTAGE LOCKOUT
PWM = HI
160
220
IVDD
VDD bias current
PWM = LO
500
µA
PWM = float
50
VUVLO(h)
VDD UVLO ‘OK’ threshold
3.5
3.7
3.9
V
VUVLO(l)
VDD UVLO fault threshold
3.3
3.5
3.7
V
VUVLO(hys)
VDD UVLO hysteresis
0.2
V
PWM INPUT
VIH(pwm)
HIGH-level PWM input
4.0
V
VIL(pwm)
LOW-level PWM input
0.7
V
RVDD-PWM
VDD-to-PWM resistance
30
k
Ω
RPWM-GND
PWM-to-GND resistance
20
k
Ω
VPWM(tri)
PWM tri-state voltage
PWM floating
1.5
2.5
V
SKIP INPUT
VIH(skip)
HIGH-level SKIP input logic
2.2
V
VIL(skip)
LOW-level SKIP input logic
0.7
V
ILSKIP-GND
SKIP-to-GND leakage
VSKIP = 5 V
2
µA
GATE DRIVE OUTPUT
Source resistance, (VBST –VLL) = 5 V,
1.0
2.5
HIGH-state (VBST – VDRVH) = 0.1 V
RDRVH
DRVH on resistance
Ω
Sink resistance, (VBST –VLL) = 5 V,
0.5
1.5
LOW-state (VDRVH – VLL) = 0.1 V
Source resistance, (VVDD – GND) = 5 V,
0.8
1.5
HIGH-state, VVDD – VDRVL) = 0.1V
RDRVL
DRVL on resistance
Ω
Sink resistance, VDD – GND = 5 V
0.4
1.0
LOW-state, VDRVL – GND = 0.1 V
TIMING CHARACTERISTICS
DRVH rising, CDRVH = 3.3 nF
15
35
tDRVH
DRVH transition time
ns
DRVH falling, CDRVH = 3.3 nF
10
35
DRVL rising, CDRVL = 3.3 nF
15
35
tDRVL
DRVL transition time
ns
DRVL, falling, CDRVL = 3.3 nF
10
35
DRVH LOW to DRVL HIGH
5
20
tNONOVLP
Driver non-overlap time
ns
DRVL LOW to DRVH HIGH
5
20
DCM mode: PWM rising to DRVH rising
25
tDLY(rise)
PWM rising to drive output delay
ns
CCM mode: PWM rising to DRVL falling
25
tDLY(fall)
PWM falling to drive output delay
PWM falling to DRVH falling
25
ns
tDLY1
3-state propagation delay to LOW
PWM floating to PWM LOW
40
ns
tDLY2
3-state propagation delay to HIGH
PWM floating ti PWM HIGH
50
ns
tTS(hold)
3-state hold-off time
PWM entering tri-state from HIGH or LOW
150
ns
tSKIP(pdh)
SKIP LOW-to-HIGH propagation delay
15
ns
tSKIP(pdl)
SKIP HIGH-to-LOW propagation delay
15
ns
tDRVH(min)
Minimum DRVH width
80
ns
Minimum DRVL width before Zero-crossing
tDRVL(min)
Minimum DRVL width
400
500
ns
can turn OFF DRVL
BOOT-STRAP SWITCH (BST)
RBST
BST switch on-resistance
IBST = 10 mA
4
10
20
Ω
IBST(leak)
BST switch leakage current
VBST = 34 V, VSW = 28 V
2
µA
4
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Product Folder Link(s): TPS51601A


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