NJM2871B/72B
Low Dropout Voltage Regulator
! GENERAL DESCRIPTION
The NJM2871B/72B are low dropout voltage regulator designed for
cellular phone applications.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
! PACKAGE OUTLINE
NJM2871BF/72BF
! FEATURES
" High Ripple Rejection
75dB typ. (f=1kHz Vo=3V version)
" Output Noise Voltage
Vno=30µVrms typ. (Cp=0.01µF)
" Output capacitor with 1.0uF ceramic capacitor(Vo≥2.7V: Version)
" Output Current
Io(max.)=150mA
" High Precision Output
Vo ±1.0%
" Low Dropout Voltage
0.10V typ. (Io=60mA)
" Input Voltage Range
+2.3 ∼ +14V(Vo≤2.0V version)
" ON/OFF Control
(Active High)
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
SOT-23-5 (MTP5)
! PIN CONFIGURATION
5
4
1 2 3
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
4. VOUT
5. VIN
5
4
1 2 3
NJM2871BF
1. VIN
2. GND
3. CONTROL (Active High)
4. NOISE BYPASS
5. VOUT
NJM2872BF
! EQUIVALENT CIRCUIT
V OUT
VIN
Control
Thermal
Protection
Bandgap
Reference
Noise
Bypass
GND
Ver.2006-02-20
-1-
NJM2871B/72B
! OUTPUT VOLTAGE RANK LIST
Device Name
VOUT
Device Name
NJM287*BF15
1.5V
NJM287*BF26
NJM287*BF18
1.8V
NJM287*BF27
NJM287*BF19
1.9V
NJM287*BF28
NJM287*BF02
2.0V
NJM287*BF29
NJM287*BF21
2.1V
NJM287*BF03
NJM287*BF23
2.3V
NJM287*BF31
NJM287*BF24
2.4V
NJM287*BF32
NJM287*BF25
2.5V
NJM287*BF33
VOUT
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
Device Name
NJM287*BF34
NJM287*BF35
NJM287*BF38
NJM287*BF04
NJM287*BF48
NJM287*BF05
VOUT
3.4V
3.5V
3.8V
4.0V
4.8V
5.0V
! ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
VIN
Control Voltage
VCONT
(Ta=25°C)
RATINGS
UNIT
+14
V
+14(*1)
V
350(*2)
Power Dissipation
PD
SOT-23-5
mW
200(*3)
Operating Temperature
Topr
−40 ∼ +85
°C
Storage Temperature
Tstg
−40 ∼ +125
°C
(*1) : When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage.
(*2) : Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers)
(*3) : Device itself
! Operating voltage
VIN=+2.3 ∼ +14V (In case of Vo
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