NJU7630RB1 Просмотр технического описания (PDF) - Japan Radio Corporation
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NJU7630RB1 Datasheet PDF : 9 Pages
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NJU7630
PWM control Step-Down switching regulator IC
■GENERAL DESCRIPTION
NJU7630 is a high speed low voltage operation switching
regulator control IC. It features a totem pole driver that can directly
drive an external MOS-FET.
Internal soft-start function, Dead time control and timer latch
function are included, requiring no external components. All
parameters can be optimized by additional external components for
design flexibility.
■PACKAGE OUTLINE
NJU7630M
NJU7630RB1
■FEATURES
● PWM switching control
● Operating Voltage
2.2V to 8V
● Wide Oscillator Range 300kHz to 1MHz
● Maximum Duty Cycle 100% typ.
● Quiescent Current
800µA typ.
● Soft-Start Function
Internal : 16ms typ. or adjustable
● Dead Time Control
● Timer Latch for Short Circuit Protection
● C-MOS Technology
● Package Outline
NJU7630M : DMP8
NJU7630RB1 : TVSP8
■PRODUCT VARIATION
NJU7631*
PWM/PFM
Light Load to
Efficiency
NJU7632*
Standby Function
NJU7630
Step-up
NJU7600
PWM Control
* Under Development
■PIN CONFIGURATION
1
2
3
4
8
7
6
5
NJU7630M
NJU7630RB1
PIN FUNCTION
1. OUT
2. V+
3. FB
4. IN-
5. SCP
6. DTC
7. RT
8. GND
Ver.2005-03-01
-1-
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