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NJW4155GM1-B Datasheet(PDF) 2 Page - New Japan Radio |
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NJW4155GM1-B Datasheet(HTML) 2 Page - New Japan Radio |
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2 / 25 page  NJW4155 - 2 - Ver.2015-11-13 PRODUCT CLASSIFICATION Part Number Version Oscillation Frequency Power Good Package Operating Temperature Range NJW4155GM1-A A 450kHz typ. HSOP8 General Spec. Ta=-40 C to +125 C NJW4155GM1-B B 300kHz typ. HSOP8 General Spec. Ta=-40 C to +125 C NJW4155DL3-B B 300kHz typ. TO-252-5 General Spec. Ta=-40 C to +125 C NJW4155GM1-C C 450kHz typ. HSOP8 (7pin: N.C.) General Spec. Ta=-40 C to +125 C PIN CONFIGURATION PIN DESCRIPTIONS PIN NAME PIN NUMBER FUNCTION HSOP8 HSOP8 TO-252-5 A ver. B ver. C ver. B ver. SW 1 2 1 2 2 Switch Output pin of Power MOSFET GND 3 3 3 GND pin PG 4 4 – Power Good pin. An open drain output that goes high impedance when the IN- pin voltage is stable around 10%.(Only HSOP8 PKG) IN- 5 5 4 Output Voltage Detecting pin Connects output voltage through the resistor divider tap to this pin in order to voltage of the IN- pin become 0.8V. EN/SYNC 6 6 5 Standby Control pin The EN/SYNC pin internally pulls down with 100k . Normal Operation at the time of High Level. Standby Mode at the time of Low Level or OPEN. Moreover, it operates by inputting clock signal at the oscillatory frequency that synchronized with the input signal. N.C. – 7 – Non Connection V+ 7 8 8 1 Power Supply pin for Power Line Exposed PAD – – – Connect to GND (Only HSOP8 PKG) NJW4155GM1-C 1 4 3 2 8 5 6 7 Exposed PAD on backside connect to GND EN/SYNC IN- N.C. V+ SW SW GND PG NJW4155DL3-B 3 3 GND 2 SW 1 V+ 4 IN- 5 EN/SYNC NJW4155GM1-A NJW4155GM1-B 1 4 3 2 8 5 6 7 Exposed PAD on backside connect to GND EN/SYNC IN- V+ V+ SW SW GND PG |
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