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| CSD97395Q4M_15 Datasheet, PDF (5/22 Pages) Texas Instruments – CSD97395Q4M Synchronous Buck NexFET™ Power Stage | |||
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www.ti.com
CSD97395Q4M
SLPS541A â DECEMBER 2014 â REVISED MARCH 2015
6.5 Electrical Characteristics
TA = 25°C, VDD = POR to 5.5V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
PLOSS
Power
Loss (1)
Power
Loss (2)
Power
Loss (2)
VIN
IQ
VDD
IDD
VIN = 12 V, VDD = 5 V, VOUT = 1.8 V, IOUT = 15 A,
ÆSW = 500 kHz, LOUT = 0.29 µH, TJ = 25°C
VIN = 19 V, VDD = 5 V, VOUT = 1.8 V, IOUT = 15 A,
ÆSW = 500 kHz, LOUT = 0.29 µH, TJ = 25°C
VIN = 19 V, VDD = 5 V, VOUT = 1.8 V, IOUT = 15 A,
ÆSW = 500 kHz, LOUT = 0.29 µH, TJ = 125°C
VIN Quiescent Current
PWM=Floating, VDD = 5 V, VIN= 24 V
Standby Supply Current
PWM = Float, SKIP# = VDD or 0 V
SKIP# = Float
IDD
Operating Supply Current PWM = 50% Duty cycle, ÆSW = 500 kHz
POWER-ON RESET AND UNDERVOLTAGE LOCKOUT
VDD Rising
VDD Falling
Power-On Reset
UVLO
Hysteresis
PWM AND SKIP# I/O SPECIFICATIONS
RI
Input Impedance
Pull Up to VDD
Pull Down (to GND)
VIH
VIL
VIH
VTS
tTHOLD(off1)
Logic Level High
Logic Level Low
Hysteresis
Tri-State Voltage
Tri-state Activation Time
(falling) PWM(2)
tTHOLD(off2)
Tri-state Activation Time
(rising) PWM(2)
tTSKF
Tri-state Activation Time
(falling) SKIP#(2)
tTSKR
t3RD(PWM)
t3RD(SKIP#)
Tri-state Activation Time
(rising) SKIP# (2)
Tri-state Exit Time PWM(2)
Tri-state Exit Time
SKIP# (2)
BOOTSTRAP SWITCH
VFBST
IRLEAK
Forward Voltage
Reverse Leakage(2)
IF = 10 mA
VBST â VDD = 25 V
MIN TYP
MAX UNIT
2.3
W
2.5
W
2.8
W
130
8
8.2
3.7
0.2
1700
800
2.65
0.2
1.3
60
60
1
1
1 µA
µA
µA
mA
4.15 V
V
mV
kΩ
0.6
V
2
ns
µs
100 ns
50 µs
120
240 mV
2 µA
(1) Measurement made with six 10 µF (TDK C3216X5R1C106KT or equivalent) ceramic capacitors placed across VIN to PGND pins.
(2) Specified by design.
Copyright © 2014â2015, Texas Instruments Incorporated
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