BTN7970B Infineon Technologies, BTN7970B Datasheet - Page 12

• Manufacturer Part Number: BTN7970B
• Description: IC MOTOR DRIVER TO263-7
• Manufacturer: Infineon Technologies
• Series: NovalithIC™r
• Type: Half Bridge DC Motor Driverr

Specifications of BTN7970B

• Applications: Motor Driver
• Number Of Outputs: 1
• Current - Output: 44A
• Voltage - Supply: 8 V ~ 18 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-7 Thin
• Supply Current: 3 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BTN7970B; BTN7970BTR; SP000299769

5.2.2
Figure 7
Figure 8
Due to the timing differences for the rising and the falling edge there will be a slight difference between the length
of the input pulse and the length of the output pulse. It can be calculated using the following formulas:
•
•
Data Sheet
V
V
Δ
Δ
90%
10%
90%
10%
t
t
OUT
OUT
HS
LS
IN
IN
= (
= (
t
t
df(LS)
dr(HS)
Switching Times
Definition of switching times high side (R
Definition of switching times low side (R
+ 0.5
+ 0.5
t
t
dr(HS )
df (LS )
t
t
f(LS)
r(HS)
) - (
t
t
) - (
r(HS )
f (LS )
t
dr(LS)
t
df(HS)
ΔV
+ 0.5
+ 0.5
ΔV
OUT
OUT
t
r(LS)
t
f(HS)
).
)
12
load
load
to VS)
to GND)
Block Description and Characteristics
High Current PN Half Bridge
ΔV
ΔV
t
OUT
t
df (HS )
OUT
dr(LS )
t
t
f (HS )
r(LS )
Rev. 1.1, 2007-11-21
BTN7970
10%
10%
90%
90%
t
t
t
t