SM72295_15 Datasheet, PDF (5/17 Pages) Texas Instruments – SM72295 Photovoltaic Full Bridge Driver

SM72295
www.ti.com
SNVS688E – OCTOBER 2010 – REVISED APRIL 2013
Electrical Characteristics⁽¹⁾ (continued)
Specifications in standard typeface are for T_J = 25°C, and those in boldface type apply over the full operating junction
temperature range. No load on LO & HO, VCC = 10V, VDD = 5V, HB-HS = 10V, OVS = 0V unless otherwise indicated.
Symbol Parameter
Conditions
Min
Typ
Max
Units
LO & HO GATE DRIVER
V_OL
V_OH
I_OHL
I_OLL
t_LPHL
t_LPLH
t_HPHL
t_HPLH
t_MON
Low-Level Output Voltage
High-Level Output Voltage
Peak Pullup Current
I_LO = 100mA
V_OL = LO-PGND or HO-HS
I_LO = -100mA
V_OH = VCC-LO or VCC-HO
HO, LO = 12V
Peak Pulldown Current
HO, LO = 0V
LO Turn-Off Propagation Delay LI Falling to LO Falling
LO Turn-On Propagation Delay LI Rising to LO Rising
HO Turn-Off Propagation Delay HI Falling to HO Falling
LO Turn-On Propagation Delay HI Rising to HO Rising
Delay Matching: LO on & HO
off
0.16
0.4
V
0.28
0.6
V
3
A
3
A
22
ns
26
ns
22
ns
26
ns
1
ns
t_MOFF
Delay Matching: LO off & HO
on
1
ns
t_RC, t_FC
t_PW
Either Output Rise/Fall Time
C_L = 1000pF
Minimum Input Pulse Width that
Changes the Output
8
ns
50
ns
t_BS
Bootstrap Diode Turn-On or
Turn-Off Time
I_F = 100mA/ I_R = 100mA
37
ns
CURRENT SENSE AMPLIFIER
V_OS
Offset voltage
R_SI = R_SO = 500, 10mV sense
resistor voltage
-2
2
mV
Gain is programmed with
Gain 5mV external resistors
IOUT, IIN =(RL/RSI )* (SI-SO)
5mV sense resistor voltage
R_SI = R_SO = 1000, R_L = 75K
390
mV
Gain
50mV
Gain is programmed with
external resistors
IOUT, IIN =(RL/RSI )* (SI-SO)
50mV sense resistor voltage
R_SI = R_SO = 1000, R_L = 75K
3.85
V
Vclamp Output Clamp
CURRENT SENSE BUFFER
0.1V sense resistor voltage
R_SI = R_SO = 1000, R_L = 75K
VDD
V
Offset voltage (BIN-IIN),
(BOUT-IOUT)
IIN = 2.5V
-60
60
mV
Output low voltage BOUT,BIN IIN, IOUT = 0
0
50
mV
Output high voltage BOUT,BIN IIN, IOUT = VDD
VDD-100mV VDD-30mV
VDD
mV
THERMAL RESISTANCE
θ_JA
Junction to Ambient
SOIC-28 ⁽²⁾
60
°C/W
(2) 2 layer board with 2 oz Cu using JEDEC JESD51 thermal board.
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