NJM2825
■ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
Cathode Voltage
VKA
Cathode Current
IK
Cathode-Anode Reverse Current
-IK
Power Dissipation
PD
Operating Temperature Range
TOPR
Storage Temperature Range
TSTG
MAXIMUM RATINGS
14
20
10
200
-40 ∼ +85
-40 ∼ +125
UNIT
V
mA
mA
mW
°C
°C
■RECOMMENDED OPERATING CONDITIONS (Ta=25°C)
PARAMETER
SYMBOL MIN. TYP.
Cathode Voltage
Cathode Current
VKA
VREF
–
IK
0.7µ
–
MAX.
13
12
UNIT
V
mA
■ELECTRICAL CHARACTERISTICS (IK=0.8µA,Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP. MAX. UNIT
Reference Voltage
Load Regulation
Reference Voltage
Change vs. Cathode
Voltage Change
Minimum Operating
Current
Feedback Current
Dynamic Impedance
VREF
∆VREF/
∆IK
∆VREF/
∆VKA
IMIN
IFB
ZKA
VFB=VA
VFB=VA, IMIN≤ IK≤ 200µA
VFB=VA, 200µA ≤ IK≤ 2mA
VFB=VA, 2mA≤ IK≤ 12mA
VREF≤ VKA≤ 13V, IK=2µA
R1=120kΩ, R2=val (Note 1)
VREF≤ VKA≤ 5V
5V≤ VKA≤ 13V
R1=∞, R2=120kΩ
VFB=VA, IK=0.7µA∼12mA
(*1) 1194.0 1200.0 1206.0 mV
(*1)
–
0.2
0.7 mV
(*1)
–
0.7
2
mV
(*1)
–
3.4
10
mV
(*2)
–
-1
-2 mV/V
(*2)
–
(*2)
–
(*2)
–
(*1)
–
0.3
0.7
µA
1
2
µA
0.3
1
nA
0.4
1.1
Ω
■TEMPERATURE CHARACTERISTICS (IK=0.8µA, Ta= -40°C ∼ 85°C)
PARAMETER
SYMBOL
TEST CONDITION
Reference Voltage
Change
(Note 2)
∆VREF_T VFB=VA
(*1)
Reference Voltage
(Note 2)
VREF_T VFB=VA
(*1)
Feedback Current
Change
IFB_T R1=∞, R2=120kΩ
(*2)
MIN.
–
1191.7
TYP.
0.8
10
1200.0
MAX. UNIT
2.3 mV
30 ppm/°C
1208.3 mV
–
0.4
–
nA
Note 1: VREF···Reference voltage includes error.
Note 2: Reference Voltage Change is defined as
∆VREF_T [mV] = ± < Reference Voltage Change [ppm/°C] > × <-40°C ∼ 25°C> × VREF
The maximum value of “Reference Voltage Change” is determined based on sampling evaluation from the 5 initial
production lots, and thus not tested in the production test. Therefore, these values are for the reference design
purpose only.
(*1): Test Circuit (Fig.1)
(*2): Test Circuit (Fig.2)
-2-
Ver.2009-03-05