NJM2890R3325-TE2 NJR, NJM2890R3325-TE2 Datasheet

Low Dropout (LDO) Regulators 2CH LDO Vltg Regulator

NJM2890R3325-TE2

Manufacturer Part Number
NJM2890R3325-TE2
Description
Low Dropout (LDO) Regulators 2CH LDO Vltg Regulator
Manufacturer
NJR
Datasheet

Specifications of NJM2890R3325-TE2

Number Of Outputs
2
Polarity
Positive
Input Voltage Max
14 V
Output Voltage
3.3 V, 2.5 V
Output Type
Fixed
Dropout Voltage (max)
0.18 V
Output Current
200 mA
Line Regulation
0.1 % / V
Load Regulation
0.03 % / mA
Voltage Regulation Accuracy
1 %
Maximum Power Dissipation
0.32 W
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
VSP-10
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
! GENERAL DESCRIPTION
! FEATURES
! PIN CONFIGURATION
! EQUIVALENT CIRCUIT
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
" High Ripple Rejection
" Output Noise Voltage
" Output capacitor with 1.0uF ceramic capacitor (Vo 2.7V)
" Output Current
" High Precision Output
" Low Dropout Voltage
" Operating Voltage Range +2.5V +14V (Vo 2.0V version)
" ON/OFF Control
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
The NJM2890 is a dual low dropout voltage regulator.
Cont1/Cont2
V
IN
1/ V
GND
IN
2
2ch LOW DROPOUT VOLTAGE REGULATOR
10
70dB typ. (f=1kHz,Vo=3V Version)
Vno=30 Vrms typ.(Cp=0.01 F)
Io(max.)=150mA
Vo 1.0%
0.10V typ. (Io=60mA)
(Active High)
VSP10
1
NJM2890R
9
2 3 4
8
7
6
5
Bandgap
Reference
2ch
PIN FUNCTION
1. CONTROL1
2. V
3. GND
4. V
5. CONTROL2
IN
IN
1
2
Thermal
Protection
! PACKAGE OUTLINE
6. NOISE BYPASS2
7. V
8. GND
9. V
10. NOISE BYPASS1
NJM2890R
OUT
OUT
2
1
V
Noise Bypass1 /
Noise Bypass2
OUT
1/ V
OUT
NJM2890
2

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NJM2890R3325-TE2 Summary of contents

Page 1

LOW DROPOUT VOLTAGE REGULATOR ! GENERAL DESCRIPTION The NJM2890 is a dual low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. ! FEATURES " High Ripple Rejection " Output Noise Voltage ...

Page 2

... OUTPUT VOLTAGE RANK LIST Device Name CH1 NJM2890R2121 2.1V NJM2890R2727 2.7V NJM2890R2818 2.8V NJM2890R2828 2.8V NJM2890R0318 3.0V NJM2890R0303 3.0V NJM2890R3325 3.3V NJM2890R3326 3.3V NJM2890R3333 3.3V NJM2890R0403 4.0V NJM2890R0521 5.0V ! ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage Control Voltage Power Dissipation Operating Temperature Storage Temperature (*1) When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage ...

Page 3

ELECTRICAL CHARACTERISTICS (Vo>2.0V version : 1CH/2CH : V =Vo+1V, C =0.1 F, Co=1.0uF: Vo 2.7V (Co=2.2uF: Vo 2.6V), Cp=0.01 F, Ta= PARAMETER Output Voltage Quiescent Current Quiescent Current at Control OFF Output Current Line Regulation Load ...

Page 4

TEST CIRCUIT V CONT CONT *2 Vo 2.6V version: Co=2.2 F(ceramic) NOISE A BYPASS1 CONTROL I 1 CONT 0.1 ...

Page 5

TYPICAL APPLICATION 1 In the case where ON/OFF Control is not required 300k ) 0 2.6V version: Co=2.2 F Connect control terminal to V NOISE CONTROL BYPASS1 V ...

Page 6

In use of ON/OFF CONTROL 300k ) 0 0 300k ) *3 Vo 2.6V version: Co=2.2 F State of control terminal: “H” output is enabled. “L” or ...

Page 7

ELECTRICAL CHARACTERISTICS NJM2890_3.0V Output Voltage vs. Input Voltage 3.2 3.1 Io=0A 3 2.9 Io=30mA 2.8 Io=100mA 2.7 2.7 2.8 2.9 3 Input Voltage : V NJM2890_3.0V Ground Pin Current vs. Output Current ...

Page 8

ELECTRICAL CHARACTERISTICS NJM2890_3.0V Load Regulation vs. Output Current 0 -10 -20 -30 -40 - 100 Output Current : Io(mA) NJM2890_3.0V Output Noise Voltage vs. Noise Bypass Capacitor 300 250 200 150 100 100p 10p ...

Page 9

ELECTRICAL CHARACTERISTICS NJM2890_3.0V Equivalent Serise Resistance vs. Output Current 100 o @:Ta= =4V IN (Ceramic) Co=1.0 F Cp=0. Oscillation Free 1 0.1 0.02 0.001 0.01 0.1 Output Current : Io(mA) NJM2890_3.0V Dropout Voltage vs. Temperature ...

Page 10

ELECTRICAL CHARACTERISTICS NJM2890_3.0V Quiescent Current v.s. Temperature 300 250 200 150 100 Temperature : Ta ( NJM2890_3.0V Line Regulation v.s. Temperature 0.1 0.05 0 -0.05 -0.1 - Temperature : Ta ( NJM2890_3.0V ...

Page 11

ELECTRICAL CHARACTERISTICS NJM2890_3.0V ON/OFF Transient Response 7 6 Control Voltage 5 4 Output Voltage @:Ta=25 C VDD=4.0V Co=1.0 F(Ceramic) 0 Cp=0.01 F Io=30mA - Time : t [mS] NJM2890_3.0V Load Transient ...

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