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Dual High Speed Low-Side www.DataSheet4U.com MOSFET Driver
POWER MANAGEMENT Description
The SC1302A/B/C/D/E/F family are low cost dual lowside MOSFET drivers. These drivers accept TTL-compatible inputs and are capable of supplying high current outputs (> 2A peak) to external MOSFETs. Fast switching allows operation up to 1 MHz. The SC1302A/B/C is available in six configurations: SC1302A is a dual noninverting, SC1302B is a dual inverting and SC1302C is a one inverting plus one non-inverting output. The SC1302D/E/F is the derivative part from SC1302A/ B/C with pin 1 (EN) and pin 8 (SHDN) internally tied to VCC. An under-voltage lockout circuit guarantees that the driver outputs are low when Vcc is less than 4.5V (typ). An internal temperature sensor shuts down the driver in the event of over temperature.
SC1302A/B/C/D/E/F
Features
+4.5V to +16.5V operation Fast rise and fall times (20ns typical with 1000pf load) Dual MOSFET driver 2A peak drive current 40ns propagation delay 8-pin SOIC / MSOP lead free packages. This product is fully WEEE and RoHS compliant Enable/disable control TTL-compatible input Under voltage lockout with hysteresis Low shutdown supply current Over temperature protection ESD protection Dual inverting/non-inverting and inverting/non-inverting configurations
Applications
Switch-mode power supplies Battery powered applications Solenoid and motor drives
Typical Application Circuit
+12V V lo a d
10uF
0 .1 u F Load A S C1302A 6 VCC IN A O U TA 1 8 EN S H D N O U TB IN B GND 3 5 7 Load B
In p u tA
2
In p u tB 4
Revision: June 11, 2008
1
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SC1302A/B/C/D/E/F
POWER MANAGEMENT Absolute Maximum Ratings
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PRELIMINARY
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device reliability.
Parameter Supply Voltage Operating Supply Voltage Input Voltages Peak Output Currents Enable Voltage (SC1302A/B/C) Shutdown Voltage (SC1302A/B/C) Continuous Power Dissipation Operating Temperature Range Thermal Resistance Junction to Ambient (MSOP) Thermal Resistance Junction to Ambient (SOIC) Storage Temperature Range Lead Temperature (Soldering)10 sec ESD Rating (Human Body Model)
Symbol V CC VCC VINA, VINB IOUTA, IOUTB V EN VSHDN Pd TJ θJ A θJ A TSTG TLEAD ESD
Typ -0.3 to 20 -0.3 to 16.5 -0.3 to VCC 3 -0.3 to VCC -0.3 to VCC Internally limited -40 to +125 206 165 -65 to +150 260 2
Units V V V A V V W °C °C/W °C/W °C °C kV
DC Electrical Characteristics
Unless otherwise specified: -40°C < TA = T < 125°C, VCC = 12V, VIN = 5V, VEN = 5V (SC1302A/B/C), J VSHDN = 5V (SC1302A/B/C).
Parameter Supply Current Quiescent Current Quiescent Current Quiescent Current Under-Voltage Lockout Threshold Voltage Hysteresis Enable for SC1302A/B/C Enable Voltage Disable Voltage
2008 Semtech Corp.
Symbol
Conditions
Min
Typ
Max
Units
IQ IQ IQ
VCC < VSTART VEN = VSHDN = 3V for SC1302A/B/C, VINA = VINB = 3V VSHDN = 0V for SC1302A/B/C
1 5.7 3
1.8 8.1 8
mA mA µA
VSTART
VSHDN = VEN = 3V for SC1302A/B/C, VINA = VINB = 3V VSHDN = VEN = 3V for SC1302A/B/C, VINA = VINB = 3V
4.2 250
4.5 320
4.7 475
V mV
V EN V EN
0 < V EN < V C C 0 < V EN < V C C
2
2.0 0.8
V V
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SC1302A/B/C/D/E/F
POWER MANAGEMENT DC Electrical Characteristics (Cont.)
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Unless otherwise specified: -40°C < TA = T < 125°C, VCC = 12V, VIN = 5V, VEN = 5V (SC1302A/B/C), J VSHDN = 5V (SC1302A/B/C).
Parameter Symbol Conditions Min Typ Max Units
Enable for SC1302A/B/C (Cont.) Delay to Output (1) Delay to Output (1) Enable Input Current Input High Level Input Voltage Low Level Input Voltage Input Current VIH VIL IIN 0 < VIN < VCC 0 < VIN < VCC 0 < VIN < VCC Non-Inverting Input(s) of SC1302A/C/D/F 0 < VIN < VCC Inverting Input(s) of SC1302B/C/E/F Output Output Peak Current IPK_SOURCE IPK_SINK Shutdow n SC1302A/B/C (Cont.) SHDN Input Voltage High SHDN Input Voltage Low SHDN Pin Current Thermal Shutdow n Over Temperature Trip Point(1) Hysteresis(1) TJ_OT 150 10 °C °C VSHDN VSHDN ISHDN VSHDN = 5V 32 2 0.3 40 V V µA VOUT = 0.5V, tPW < 10uS VOUT = VCC - 0.5V, tPW < 10uS 1600 1600 mA mA
(2)
tD_EN tD_DIS
IEN
EN for low to high EN from high to low 0 < VIN < VCC 10
70 55 14 19
ns ns µA
2.0 0.8 13 18.5
V V µA
-8
µA
AC Electrical Characteristics
Unless otherwise specified: TA = T = 25°C, VCC = 12V, VEN = 5V, CL = 1000pF
J
Parameter Rise time(1) Fall time(1) Propagation delay time(1) Propagation delay time(1)
Symbol tR tF tD1 tD2
Conditions See Timing Diagram See Timing Diagram TA = -40°C ~ 125°C TA = -40°C ~ 125°C
Min
Typ 20 20 53 41
Max
Units ns ns
70 60
ns ns
Notes: (1) Guaranteed by design. Not 100% tested in production. (2) Negative sign indicates that the input current flows out of the device.
2008.