NCS37012DAG 데이터 시트보기 (PDF) - ON Semiconductor
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NCS37012DAG Datasheet PDF : 9 Pages
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NCS37012
Table 1. PIN FUNCTION DESCRIPTION − QFN
Pin #
Name
Pad Description
0
Ground
QFN center slug
1
MLD
Mains Level Detect (Zero Cross)
2
CTresGN
Determines IV converter gain for detection threshold / matched to CT turns ratio (Ground-Neutral)
3
CTbias
Direct connection to the CT
4
CTstim
Direct connection to the CT
5
CTresD
Determines IV converter gain for detection threshold / matched to CT turns ratio (Differential Current)
6
IDF
Front end noise filter capacitor
7
GFtest
Output to induce external differential current
8
TripEN
(H) Trip / (L) No Trip on Self Test Failure
9
PZ
Piezo output driver
10
NC
Tie to Ground or leave floating
11
PTT
Push to test input
12
TI
Tip indicator input
13
LED[0]
LED[0] output driver
14
LED[1]
LED[1] output driver
15
SCRdrv
Used to trigger the solenoid at a fault detection
16
Supply
Power supply
Table 2. PIN FUNCTION DESCRIPTION − TSSOP
Pin #
Name
Pad Description
1
CTstim
Differential and ground to neutral stimulus point for the current transformer
2
Ground
Ground connection for IC
3
CTresD
Determines IV converter gain for detection threshold / matched to CT turns ratio (Differential Current)
4
IDF
Determines corner frequency of the differential current path filter
5
GFtest
Output to induce external differential current
6
TripEN
(H) Trip / (L) No Trip on Self Test Failure
7
PZ
Piezo output driver
8
NC
Tie to Ground or leave floating
9
PTT
Push to test input
10
TI
Tip indicator input
11
Ground
Ground connection for IC
12
LED[0]
LED[0] output driver
13
LED[1]
LED[1] output driver
14
SCRdrv
Used to trigger the solenoid at a fault detection
15
DVDD
Internal digital 5 V regulated supply
16
AVDD
Internal analog 5 V regulated supply
17
Supply
12 V shunt regulated power supply
18
CTresGN
Determines IV converter gain for detection threshold / matched to CT turns ratio (Ground-Neutral)
19
MLD
Mains Level Detect (Zero Cross) and AM slope detect (for oscillator sync/trim and AM init)
20
CTbias
External 2 V bias for the current transformer
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