參數(shù)資料
型號： PG17H*
英文描述： High Voltage 1.5A, 500kHz Step-Down Switching Regulator with 100µA Quiescent Current; Package: TSSOP; No of Pins: 16; Temperature Range: -40°C to +85°C
中文描述： Monitor_ICs：88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B - 10 KA2507
文件頁數(shù)： 21/100頁
文件大?。?/td> 3595K
5 Troubleshooting
PG17**/PG19**/PG21**
5-5
5-1-7 Abnormal H_Size
T402 Pin 8 waveform is right
Check and replace T402.
Check some parts around D415, IC261
Pin 28, IC402 Pin 2 and IC201 Pin20.
Yes
No
5-1-8 Side Pin or Trap Failure
IC261 Pin 24 output exists
Yes
Check and replace IC261.
Check and replace IC402.
Check some parts IC402 Pin 2
and IC261 Pin 24.
5-1-9 Para. or Pin Balance Failure
IC261 Pin 24 output varies with
different DAC values
No
Replace IC261.
No
WAVEFORMS
9
9
29.8 V (T402, #8)
CH1 P-P = 29.8 V
CH1 RMS = 7.14 V
相關(guān)PDF資料
PDF描述
PG17IS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19HS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19IS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19LO Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19LS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
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