Analog Integrated Circuit Device Data

22

Freescale Semiconductor

33926

REVISION HISTORY

REVISION HISTORY

REVISION

DATE

DESCRIPTION

1.0

3/2006

• Converted to Freescale format, Implemented changes listed below.

• Implemented revision history page.

2.0

9/2006

• Updated Figure 2. 33926 Simplified Internal Block Diagram.

• Revised Table2. Maximum Ratings

• Continuous Output Current changed from 5.5A to 5.0A (Parameter changed in the text through the

document).

• ESD Voltage: added Charge Device Model.

• Peak Pin Reflow Temperature During Solder Mounting changed from 260 to 250 deg.C.

• Revised Table 3. Static Electrical Characteristics

• Output Current Regulation Threshold: Min value changed from 5.5A to 5.2A.

• High-Side Short Circuit Detection Threshold - Parameter Guaranteed by Design.

• Low-Side Short Circuit Detection Threshold - Parameter Guaranteed by Design.

• Feedback Current: Parameter values updated.

• Status Flag SET Voltage: Max value changed from 1.0V to 0.4V.

• Revised Table 4. Dynamic Electrical Characteristics

• Output OFF Delay: Max. value changed from 18

µs to 12 µs.

• Output Rise and Fall Time: Max value changed from 8.0

µs to 6.0 µs.

• Short Circuit/Overtemperature Turn-OFF (Latch-OFF) Time: Typ and Max values changed from

4.0

µs, 8.0 µs to 1.0 µs, 2.0 µs respectively.

• Charge Pump Operating Frequency: Typ 7 MHz, new parameter added into the table.

• Added Figure 10. 33926 Power Stage Operation.

• Updated Figure 11. 33926 Typical Application Schematic.

• Updated the Freescale format to the prevailing form and style

• Added thermal addendum.

3.0

10/2006

• Corrected minor typos formatting throughout the document.

• Corrected labels on the Internal Block Diagram

• Added “These parameters are not production tested” to the Maximum Ratings heading

• Changed the values for Logic Input Voltage (2) and SF Output (3)

• Made corrections on note (4), (7), and (10) for Maximum Ratings

• Changed labels or values for Sleep State Supply Current (12), Undervoltage Lockout Thresholds,

Charge Pump Voltage (CP Capacitor = 33 nF), No PWM, Input Voltage (IN1, IN2, D1, D2, INV, SLEW)

(13), Logic Input Currents, VPWR = 8.0V, Output-ON Resistance (15), ILOAD = 3.0A, Output Current

Regulation Threshold, Output Leakage Current (16), Outputs off, VPWR = 28V, Feedback Current (pin

FB sourcing current) (17), and Status Flag Leakage Current (19) in the Static Electrical Characteristics

• Added Charge Pump Voltage (CP Capacitor = 33 nF), PWM = 20kHz, Slew Rate = Fast and Operating

Input Voltage (EN, IN1, IN2, D1, D2, INV, SLEW) in the Static Electrical Characteristics

• Added note This parameter is Guaranteed By Design. to Static Electrical Characteristics

• Changed labels or values for ILIM Output Constant-OFF Time (24), ILIM Blanking Time (25), Output

Rise and Fall Time (27) and Short Circuit/Overtemperature Turn-OFF (Latch-OFF) Time (28) (29) in the

Dynamic Electrical Characteristics

• Made changes or corrections to note (24), (27), (28), and (29) for Dynamic Electrical Characteristics

• Made corrections to Figure 4, Output Delay Time, Figure 5, Disable Delay Time, and Figure 6, Output

Switching Time in Timing Diagrams

• Added Figure 7, Current Limit Blanking Time and Constant-OFF Time and Figure 8, Short Circuit

Detection Turn-OFF Time tFAULT in Timing Diagrams

• Added paragraph Output Avalanche Protection and Figure 12, Avalanche Protection to Protection and

diagnostic features

• Made minor label changes to Figure 13, 33926 Typical Application Schematic