Datasheet Details
- Part number
- NJU7691
- Manufacturer
- NJR
- File Size
- 166.75 KB
- Datasheet
- NJU7691_NJR.pdf
- Description
- 300mA Synchronous Step-Down switching regulator IC
NJU7691 Description
NJU7691 300mA Synchronous Step-Down switching regulator IC * GENERAL .
The NJU7691 is a synchronous rectification switching regulator IC with a power MOSFET (300mA output).
NJU7691 Features
* 300mA Synchronous Step-Down
* PWM switching control
* Operating Voltage
2.2V to 7V
* Wide Oscillator Range 300kHz to 1MHz
* Maximum Duty Cycle 100%
* Stand-by Current
5µA max.
* Soft-Start Function
4ms typ.
* Over Current Protection
* C-MOS Technolog
NJU7691 Applications
* RNF CNF
VIN CIN
L
4 321 IN- FB V+ SW
NJU7691 ON/ OFF RT AGND PGND
5 67 8
SBD
CFB
COUT
RFB
ON/OFF
High: ON Low: OFF
(Standby)
RT
VOUT R2
R1
-4-
Ver.2012-08-03
* TYPICAL CHARACTERISTICS
Oscillation Frequency vs. Timing Resistance
1000
(V+=3.3V, Ta=25oC)
Oscillation Frequency f (kH
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