MC33926 Datasheet
Table Of Contents
- 5.0 A Throttle Control H-Bridge
- Figure 1. 33926 Simplified Application Diagram
- Internal Block Diagram
- Pin Connections
- Electrical Characteristics
- Table 2. Maximum Ratings
- Table 3. Static Electrical Characteristics
- Table 4. Dynamic Electrical Characteristics
- Figure 4. Output Delay Time
- Figure 5. Disable Delay Time
- Figure 6. Output Switching Time
- Figure 7. Current Limit Blanking Time and Constant-OFF Time
- Figure 8. Short-circuit Detection Turn-OFF Time tFAULT
- Figure 9. Output Current Limiting Foldback Region
- Functional Description
- Functional Internal Block Description
- Functional Device operation
- Typical applications
- Packaging
- Additional Documentation
- Table 6. Thermal Performance Comparison
- Figure 15. Surface Mount for Power PQFN with Exposed Pads
- Figure 16. Thermal Test Board
- Table 7. Thermal Resistance Performance
- Figure 17. Device on Thermal Test Board RqJA
- Figure 18. Transient Thermal Resistance RqJA, 1.0 W Step response, Device on Thermal Test Board Area A = 600 (mm2)
- Revision History
Analog Integrated Circuit Device Data
Freescale Semiconductor 11
33926
ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
Figure 8. Short-circuit Detection Turn-OFF Time t
FAULT
.
Figure 9. Output Current Limiting Foldback Region
I
SC
Short Circuit Detection Threshold
I
OUT
, CURRENT (A)
5.0
9.0
0.0
I
lim
6.5
Hard Short Occurs
t
FAULT
Short Circuit Condition
t
B
(~16 μs)
t
B
TIME
SF set Low
OUT1, OUT2 Tri-Stated,
T
SEP
T
HYS
T
FB
T
LIM
Nominal Current Limit Threshold
T
LIM
Thermal Shutdown
Output Current Limiting Regions and Thermal Shutdown
Current Limit Threshold Foldback.
Operation within this region must be
limited to non-repetitive events not to
exceed 30 s per 24 hr.
6.5
4.2
I
LIM
CURRENT (A)
Figure 9.