STA50513TR ,40VSTA50540V 3.5A QUAD POWER HALF BRIDGE1
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STA506 ,40V 4A QUAD POWER HALF BRIDGESTA50640V 4A QUAD POWER HALF BRIDGE1
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STA505
40V
1/9
STA505December 2002 MINIMUM INPUT OUTPUT PULSE WIDTH
DISTORTION 200mΩ RdsON COMPLEMENTARY DMOS
OUTPUT STAGE CMOS COMPATIBLE LOGIC INPUTS THERMAL PROTECTION THERMAL WARNING OUTPUT UNDER VOLTAGE PROTECTION
DESCRIPTIONSTA505 is a monolithic quad half bridge stage in Mul-
tipower BCD Technology. The device can be used as
dual bridge or reconfigured, by connecting CONFIG
pin to Vdd pin, as single bridge with double current
capability.
The device is particularly designed to make the out-
put stage of a stereo All-Digital High Efficiency
(DDX™) amplifier capable to deliver 50 + 50W @
THD = 10% at Vcc 30V output power on 8Ω load and
80W @ THD = 10% at Vcc 36V on 8Ω load in single
BTL configuration.
The input pins have threshold proportional to Ibias
pin voltage.
40V 3.5A QUAD POWER HALF BRIDGE
AUDIO APPLICATION CIRCUIT
STA505 2/9
PIN FUNCTION
3/9
STA505
FUNCTIONAL PIN STATUS* : The pin is open collector. To have the high logic value, it needs to be pulled up by a resistor.
**: To put CONFIG = 1 means connect Pin 24 (CONFIG) to Pins 21, 22 (Vdd)
PIN CONNECTION
STA505 4/9
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTCS (Ibias = 3.3V; Vcc = 30V; T = 25°C unless otherwise specified)
5/9
STA505Notes:1. The following table explains the VL, VH variation with Ibias
Note 2: If used in single BTL configuration, the device may be not short circuit protected
LOGIC TRUTH TABLE (see fig. 2)
ELECTRICAL CHARACTERISTCS (continued)
STA505 6/9
Figure 1. Test Circuit.
Figure 2.
Figure 3.
