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Partno	Mfg	Dc	Qty	Available	Descript
L9856	ST	N/a	16	avai	High voltage high side driver
L9856-TR |L9856TR	ST	N/a	9784	avai	High voltage high side driver

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L9904 ,MOTOR BRIDGE CONTROLLERABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV , V Bootstrap voltage -0.3 to 40 VCB1 CB2I , I ..
L9904 ,MOTOR BRIDGE CONTROLLERBLOCK DIAGRAM10VSRCPRef erenceVCC-1ST BIAS+11Charge CP=V pumpSTH13CB112fST GH1VCCOvervoltage14Under ..
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L9856-L9856-TR
High voltage high side driver
September 2013 Rev 3 1/14
L9856
High voltage high-side driver
Features High voltage rail up to 160 V dV/dt immunity ±50 V/nsec in full temperature
range Driver current capability:
500 mA source,
500 mA sink Switching times 100 ns rise/fall with 2.5 nF load CMOS/TTL Schmitt trigger inputs with
hysteresis Under voltage lock out Clamping on VCC Loading circuit for external Bootstrap capacitor Inverting input Reset circuitry SO-8 package
Description
The L9856 is an high voltage device,
manufactured with the BCD "OFF-LINE"
technology.
It has the capability of driving N-Channel Power
MOS transistors. The upper (floating) section is
enabled to work with voltage rail up to 160 V. The
logic Inputs are CMOS/TTL compatible for ease
of interfacing with controlling devices.

Table 1. Device summary
Contents L9856
2/14
Contents Block diagram andpin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.5 Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
L9856 List of tables
3/14
List of tables
Table 1. Device summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Pin function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 5. Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 6. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 7. Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 8. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
List of figures L9856
4/14
List of figures
Figure 1. Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Input/output timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4. Reset timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5. SO-8 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
L9856 Block diagram andpin description
5/14 Block diagram andpin description
1.1 Block diagram
1.2 Pin description
Figure 2. Pin connection (top view)

Table 2. Pin function
Electrical specifications L9856
6/14
2 Electrical specifications
2.1 Thermal data

2.2 Absolute maximum ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may
occur. All voltage parameters are absolute voltages referenced to GND, all currents are defined
positive into any lead. An operation above the absolute maximum limit is not implied and can
damage the part.

Table 3. Thermal data
Table 4. Absolute maximum ratings
L9856 Electrical specifications
7/14
2.3 Recommended operating conditions
For proper operations the device should be used within the recommended conditions.

2.4 Electrical characteristics

Table 5. Recommended operating conditions Reset-Logic functional for VBS > 2V, independent from VCC-level. Guaranteed by design.
Table 6. Electrical characteristics
Unless otherwise specified, VCC = 5 V, VBS = 7 V, VS = 0 V , IN = 0 V, RES = 5 V,
load R = 50 , C = 2.5 nF . Unless otherwise noted, these specifications apply for an
operating ambient temperature range of -40 °C <Tamb < 125 °C.