STLC60133 STMicroelectronics, STLC60133 Datasheet - Page 4

• Manufacturer Part Number: STLC60133
• Description: MOSFET & Power Driver ICs XSDL Line
• Manufacturer: STMicroelectronics
• Type: Line Driverr

Specifications of STLC60133

• Power Supply Requirement: Dual
• Slew Rate: 400V/us
• Pin Count: 28
• Supply Current: 12.5 mA
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Not Compliant

STLC60133
The bias level is programmed by the TTL logic level applied to the PWDN pins. The DGND pin is the logic
ground reference for the PWDN pins. For normal operation the BIAS pin shall be left open.
The BIAS control pin can be used to adjust the internal biasing and thus the quiescent current. By pulling out a
current of 0 A to 200 A, the quiescent current can be adjusted from 100% (full ON) to a full OFF condition.
However, considering the internal parameter spread to full shutdown the STLC60133 is recommended to pull
down a 250 A current from the BIAS pin. In the following figure is shown an implementation of a complete am-
plifier shutdown. To partially reduce the internal biasing also the PWDN pins can be used.
Figure 2. Logic drive of bias pin for complete Amplifier Shutdown.
THERMAL SHUTDOWN
A thermal protection is embedded in the STLC60133. In case of thermal overload the device is shut down at
160°C and returns to normal operation when the temperature becomes lower than 145°C.
During the thermal shutdown the voltage at the BIAS pin goes to the DGND rail; when the device returns to the
normal operation the voltage at the BIAS pin goes to the positive rail. In this condition the BIAS pin can be used
as thermal overload indicator.
MAXIMUM POWER DISSIPATION
Maximum Junction Temperature allowed for proper device operation is T
tance Junction to ambient of 29°C/W can be obtained mounting the device on a 4 layer board whithin 10 square
inches of copper and having the exposed pad contacting a proper copper area . It shall be noted that the ex-
posed pad of the device is electrically connected to the V
Figure 3. Shutdown and alarm circuit
4/9
BIAS
10K
200 A
PWDN0
R1 = 47K for 12V
R1 = 22K for 6V
1/4 HCF40109B
V
3.3V
CC
V
CC
ST
PWDN1
+5V
10K
50K
R2
DOWN
SHUT
STLC60133
ALARM
BIAS
D01TL492
V
OR
SS
EE
R1
BIAS
D01TL491
negative supply.
V
BIAS
BIAS
STLC60133
BIAS
=V
1M
CC
100K
-1.5V
j
OR
= 140°C. A Typical Thermal Resis-
+5V
0-200 A
10K
MIN
ALARM
350