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PDF TD62445FN Data sheet ( Hoja de datos )
| Número de pieza | TD62445FN | |
| Descripción | LOW-SATURATION-TYPE SINK DRIVER WITH 4-CIRCUIT OVER-CURRENT DETECTION FUNCTION | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TD62445FN (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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TD62445FN
TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
TD62445FN
LOW−SATURATION−TYPE SINK DRIVER WITH 4−CIRCUIT OVER−CURRENT
DETECTION FUNCTION
The TD62445FN is a sink driver with over−current detector
circuits. Each of four circuits can setting the limit current.
Using an internal comparator, the TD62445FN detects
over−current by comparing the current output through the
external resistors as voltage. Over current detection is detected
by the ERR terminal which is an open collector, comes on.
Construct a system so that the input signal turns off immediately
the ERR pin comes on.
FEATURES
l Includes current limiter circuits:
By connecting external resistors, each bit can be set to any
limit current value.
Weight: 0.08 g (Typ.)
l Includes an error detection signal filter pin:
Connecting any capacitor between the LP pin and the GND filters the internal comparator detection signal and
outputs this to the ERR pin.
l Over−current monitor detection output:
Includes an ERR pin output to warn when current exceeds the limit. Construct a system so that the input signal
turns off immediately the ERR pin comes on (open collector).
l Common input pin (CO−IN (pin 4)) :
Using this pin, the four over−current detector circuits can be forcibly turned off together.
l Low−saturation−type output (open collector):
The voltage drop between the collector and emitter is VOL1 = 0.4 V (max) @ IO = 100 mA.
l Supply voltage
: VCC = 4.5 to 5.5
l Input is TTL compatible.
l Ultra−compact package : SSOP 18 pins (0.65mm pitch)
l Output rating
: VCEO = 30 V, IO = 150 mA / ch
l Packing
: Embossed taping only
PIN CONNECTION (TOP VIEW)
1 2001-07-04
1 page  
CHARACTERISTIC
Input / Output Delay Time
Output Rise Time
Output Fall Time
SYMBOL
TEST
CIR−
CUIT
TEST CONDITION
tPDIO2 (tpLH)
tPDIO2 (tpHL)
7 Ta = 25°C, VERR = 5.0 V,
IOL = 10 mA, CL = 10 pF,
VNF=0 to 0.4 V:
7 NF1~4 to ERR
tPDIO3 (tpLH)
tPDIO3 (tpHL)
(tpLH)
trERR
tfOUT
tfERR
6 Ta = 25°C, VCE = 30 V,
IOUT = 150 mA, CL = 50 pF:
6 CO−IN to OUT1~4
Ta = 25°C, VCE = 30 V,
6 IOUT = 150 mA, CL = 50 pF,
10%−90%: OUT1~4
Ta = 25°C, VERR = 5.0 V,
7 IOL = 10 mA, CL = 10 pF,
10%−90%: ERR
Ta=25°C, VCE = 30 V,
6 IOUT = 150 mA, CL = 50 pF,
90%−10%: OUT1~4
Ta = 25°C, VERR = 5.0 V,
7 IOL = 10 mA, CL = 10 pF,
90%−10%: ERR
Note: The switching characteristic values indicate the guaranteed design limits.
TD62445FN
MIN TYP. MAX UNIT
―
(Note) (Note)
0.30 1.50
―
(Note) (Note)
5.00 15.0
µs
―
(Note) (Note)
0.25 1.25
―
(Note) (Note)
0.40 2.00
―
(Note) (Note)
0.40 1.00
µs
―
(Note) (Note)
0.40 1.00
―
(Note) (Note)
0.10 1.00
µs
―
(Note) (Note)
0.02 1.00
TEST CIRCUIT
(1) VIL, IIL1~2, Vr1, VCEO, IOleak1, IOleak2
5 2001-07-04
5 Page 
TD62445FN
11 2001-07-04
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet TD62445FN.PDF ] | |
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