NJU7670 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU7670 Datasheet PDF : 7 Pages
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NJU7670
■ ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Supply Voltage
Input Voltage
Output Voltage
VIN
VI1
VI2
VOUT
Power Dissipation
PD
Operating Temperature Range
Topr
Storage Temperature
Tstg
Note1): Apply to Poff terminal
Note2): Apply to RV terminal
RATINGS
(Ta=25°C)
UNIT
|VDD －VDD| ≤ 20
V
VIN -0.5 to +0.5 Note1)
V
VOUT -0.5 to +0.5 Note2)
-20.0
V
700
DIP
300
DMP
mW
250
SSOP
-20 to +75
°C
-40 to +125
°C
■ ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
(VDD=0V, VIN=－5V, CIN=0.1µF, Ta=25°C) Note3)
TEST CONDITION
MIN. TYP. MAX. UNIT
Supply Voltage
VIN
-6.0 − -2.6 V
Output Voltage
VOUT
Vreg
-18.0 −
−
V
RL = ∞, RRV = 1MΩ, VOUT = -18V -18.0 −
-2.6
Regulator Operating Voltage
V(OUT
-18.0 − -8.0 V
Current Consumption 1
IDD1
Poff=”H”
note4)
RL = ∞, RRV = 1MΩ, Vreg = -2.6V
−
75 120 µA
Current Consumption 2
IDD2
Poff=”L”
RL = ∞, RRV = 1MΩ
note4) −
60 100 µA
Output Impedance
ROUT
IOUT = 20mA,C1 = C2 = C3 = 10µA
−
150 200 Ω
Power Conversion Rate
Peff
IOUT = 5mA,C1 = C2 = C3 = 10µA 90
95
−
%
Line Regulation
Δ Vreg
-18V < VOUT < -8V
Δ VOUT・Vreg Vreg = -8V, RL = ∞
−
0.2
− %/V
Load Regulation
Δ Vreg
Δ Ireg
VOUT = -15V, Vreg = -8V
0 < Ireg < 20mA
− 5.0
−
Ω
Output Saturation Resistance
Reference Voltage
Input Current 1
Input Current 2
Switching Frequency
RSAT
VRV
IIN1
IIN2
fsw
RＳＡＴ = Δ (Vreg - VOUT) /Δ Ireg
0 < Ireg < 20mA, RV = VDD
RV Terminal
Poff Terminal
− 8.0
−
Ω
−2.3 -1.5 -1.0 V
−
−
1.0 µA
−
−
2.0 µA
−
2.5
− kHz
Note3): To achieve the best operation, select the input capacitor (CIN) with enough margin according to the stability of
supply voltage.
Note4): Excluding input current on RRV
-4-
Ver.2011-02-03
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