...RES
2V REG RESET VS SI SO
1.23V REF SENSE
1.23V GND
D96AT219
June 2000
1/10
L4949E
ABSOLUTE MAXIMUM RATINGS
Symbol VS...8V the circuit shows a high immunity of the reset output against supply transients of more than 100V...
...uct Is End Of Life As Of August 1, 2000
BLOCK DIAGRAM
20
RC CVCO BACK-EMF SAMPLER VCO
PH1 PH2 PH3
22 23 24
14
15 16 21 18...8V VPIN21 Motor Current Control Section ISENSE Gain One Shot Off Time ICMD Transconductance Gain ICM...
... Part Is End Of Life As Of July 1, 2000)
BLOCK DIAGRAM (Pin Configuration Shown for 28 Pin Version)
17 VDD 750nA FB A 22 FB B 23 FB C 24...8V to 13.2V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified,VDD = 12V 10%, RSENSE = 1W, C...
...res
* Programmable output from 1.3V to 3.5V using an integrated 5-bit DAC * Remote sense * Active Droop * 85% efficiency typical at full lo...8V 2.9V 3.0V 3.1V 3.2V 3.3V 3.4V 3.5V
Note: 1. 0 = processor pin is tied to GND. 1 = processor pi...
Description
ProHigh Performance Programmable Synchro0us DC-DC Controller for Low Voltage Microprocessors From old datasheet system High Performance Programmable Synchronous DC-DC Controller for Low Voltage Microprocessors
... of SC1405TS High frequency (to 1.2MHz) operation allows use of small inductors and low cost capacitors in place of electrolytics
Applica...8V to PRDY < 10% of V_5V 10 s tpdhUVLO tpdhUVLO EN is High EN is High 10 10 us us trBG trBG tpdhBGHI...
...ss-D amps *= High frequency (to 1.2 MHz) operation allows use *=
of small inductors and low cost caps in place of electrolytics Portable co...8V tp PRDY < 10% of V_5 10 s tpdhUVLO tpdlUVLO EN is High EN is High 10 10 us us trBG trBG tpdhBGHI ...