NJU7606 New Japan Radio Co.,Ltd, NJU7606 Datasheet

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NJU7606

Manufacturer Part Number
NJU7606
Description
Nju7606 Step-up / Flyback Switching Regulator Ic With Load Switch Function
Manufacturer
New Japan Radio Co.,Ltd
Datasheet
■GENERAL DESCRIPTION
■FEATURES
■PIN CONFIGURATION
Ver.2006-02-13
regulator control IC with load switch function.
also provides latch mode.
● Package Outline
● PWM switching control
● Load Switch Function
● Operating Voltage
● Wide Oscillator Range
● Maximum Duty Cycle
● Quiescent Current
● Soft-Start Function
● Dead Time Control
● Timer Latch for Short Circuit Protection
● C-MOS Technology
It features a which disconnects load from input during standby and
NJU7606/08 is a high speed low voltage operation switching
1
2
3
4
5
NJU7606RB2
Step-Up / Flyback Switching Regulator IC with Load Switch Function
10
9
8
7
6
2.2V to 8V
300kHz to 1MHz
90% typ.
Operating: 800µA typ.
Standby: 1µA max.
Internal : 16ms typ. or adjustable
NJU7606RB2 : TVSP10
NJU7608PB1 : FFP12 -B1
PIN FUNCTION
10. OUT
1. V
2. LSW
3. FB
4. IN-
5. SCP
6. ON/OFF
7. DTC
8. RT
9. GND
+
12
12
12
11
11
11
10
10
10
9
9
9
1
1
1
TOP           
TOP           
8
8
8
2
2
2
   
   
   
   
   
   
3
3
3
7
7
7
NJU7608PB1
■PRODUCT VARIATION
■PACKAGE OUTLINE
5
5
5
NJU7606RB2
6
6
6
4
4
4
5
5
5
4
4
4
6
6
6
NJU7602
Standby Function
NJU7608
NJU7606
   UNDER
   UNDER
   
   
   
   
   
   
7
7
7
3
3
3
8
8
8
2
2
2
NJU7606 small PKG
Load SW,
Standby Function
9
9
9
1
1
1
NJU7608PB1
10
10
10
11
11
11
12
12
12
PIN FUNCTION
10. N.C.
11. OUT
12. N.C.
1. GND
2. RT
3. DTC
4. ON/OFF
5. SCP
6. IN-
7. FB
8. LSW
9. V
+
- 1 -

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NJU7606 Summary of contents

Page 1

... Step-Up / Flyback Switching Regulator IC with Load Switch Function ■GENERAL DESCRIPTION NJU7606/ high speed low voltage operation switching regulator control IC with load switch function. It features a which disconnects load from input during standby and also provides latch mode. ■FEATURES ● PWM switching control ● ...

Page 2

DIAGRAM V FB ER⋅AMP IN- 1V Vref Soft Start Latch SCP 1V GND - UVLO 2 µ A SCP OSC 2kΩ 0 DTC RT 0.8V 0.2V PWM Buffer 0.74V 0.5V Standby ON/OFF ...

Page 3

MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage LSW Output Voltage Output Pin Current LSW Output Current ON/OFF Pin Voltage Power Dissipation Operating Temperature Range Storage Temperature Range *1: When input voltage is less than 9V, the absolute maximum control voltage ...

Page 4

CHARACTERISTICS (V PARAMETER Error Amplifier Block Reference Voltage Input Bias Current Open Loop Gain Gain Bandwidth Product Output Source Current Output Sink Current PWM Comparate Block Input Threshold Voltage Maximum Duty Cycle Output Block Output High Level ON Resistance ...

Page 5

... LSW OUT GND NJU7606 R T NJU7608 RT ON/OFF DTC R C DTC S ON/OFF High : ON Low : OFF (Standby) L SBD FET LSW OUT GND NJU7606 R T NJU7608 RT ON/OFF DTC R C DTC S ON/OFF High : ON Low : OFF (Standby) SBD R2 C OUT R1 FET: Load SW OUT ...

Page 6

CHARACTERISTICS Oscillation Frequency vs. Timing Resistance + (V =3.3V, Ta=25 1000 100 10 Timing Resistance R Oscillation Frequency vs. Operating Voltage (R =47kΩ, Ta=25 T 740 720 700 680 660 Operating Voltage V Reference Voltage vs. ...

Page 7

CHARACTERISTICS Quiescent Current vs. Operating Voltage (R =47kΩ, R =Non Load, Ta= 1400 1200 1000 800 600 400 200 Operating Voltage V Output Block Output High Level ON Resistance vs. Temperature (Io=-20mA) 16 ...

Page 8

CHARACTERISTICS Soft Start Time vs. Temperature + (V =3.3V -50 - Ambient Temperature Ta ( Oscillator Frequency vs. Temperature + (V =3.3V, R 760 740 720 700 680 ...

Page 9

CHARACTERISTICS LSW Output ON Resistance vs. Temperature (I =1mA) LSW 160 140 120 100 -50 - Ambient Temperature Ta ( Quiescent Current vs. Temperature + (V =3.3V, R 1000 800 600 400 ...

Page 10

MEMO - 10 - [CAUTION] [CAUTION] The specifications on this databook are only The specifications on this databook are only given for information , without any guarantee given for information , without any guarantee as regards either mistakes or omissions. ...

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