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Data Sheet
POWER SUPPLY MONITOR DEVICES
EML22/UML23N
Features
1) Packaging Zener diode and small-signal amplifier transistor
Dimensions (Unit : mm)
EMT6
2) Using outside connection able to use Power supply
monitor device
3) When use Power supply monitor device,
Temparature drift characteristics of detect voltage is about
150 ppm/ºC.
(6)
(5)
(4)
(1)
(2)
(3)
MARKING : "L22"(EMT6)
Applications
Protection of over load of power supply.
UMT6
(SC-88)
<SOT-363>
Packaging specifications and Marking
Type
EML22
Package
EMT6
Marking
L22
Code
T2R
Basic ordering unit (pieces)
8000
Absolute maximum ratings (Ta=25°C)
Tr
Parameter
Symbol
Collector-base voltage
VCBO
Collector-emitter voltage
VCEO
Emitter-base voltage
VEBO
Collector current
IC
Power dissipation
PD *1
(6)
(5)
(4)
UML23N
UMT6
L23
TR
3000
(1)
(2)
(3)
MARKING : "L23"(UMT6)
Internal circuit
Limits
Unit
60
50
V
V
7
150
120
V
mA
mW
Symbol
PD *1
Limits
120
Unit
mW
Symbol
PD *1
Limits
Unit
150
150
55 to 150
mW
°C
°C
(6)
(5)
(4)
(1)　ANODE《DI》
(2)　BASE《TR》
(3)　EMITTER《TR》
(4)　COLLECTOR《TR》
(5)　N.C.
(1)
(2)
(3)
(6)　CATHODE《DI》
Di
Parameter
Power dissipation
Tr and Di
Parameter
Power dissipation
Junction temperature
Range of storage temperature
Tj
Tstg
*1 Mounted on reference land.
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1/4
2011.10 - Rev.A
Data Sheet
EML22/UML23N
Electrical characteristics (Ta = 25°C)
Tr
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Collector-emitter brekdown voltage
BVCEO
50
－
－
V
IC=1ｍA
Collector-base breakdown voltage
BVCBO
60
－
－
V
IC=50μA
Emitter-base breakdown voltage
BVEBO
7
－
－
V
IE=50μA
Collector cut-off current
ICBO
－
－
100
nA
VCB=60V
Emitter cut-off current
IEBO
－
－
100
nA
VEB=7V
VCE(sat)
－
－
400
mV IC/IB=50mA/5mA
hFE
120
－
390
－
Transition frequency
fT
－
180
－
MHz
Output capacitance
Cob
－
2
－
pF
Symbol
Min.
Typ.
Max.
Unit
Collector-emitter saturation voltage
DC current gain
VCE=6V,IC=1mA
VCE=12V,IE=2mA,
f=100MHｚ
VCB=12V,IE=0A,
f=1MHｚ
Di
Parameter
Zener voltage
VZ
Reverse current
IR
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© 2011 ROHM Co., Ltd. All rights reserved.
6.58
－
6.80
－
2/4
7.00
0.5
Conditions
IZ=5mA
V
mA VR=3.5V
2011.10 - Rev.A
Data Sheet
EML22/UML23N
Electrical characteristic curves
<Tr>
100
COLLECTOR CURRENT : IC (mA)
10
Ta=125℃
Ta= 75℃
Ta= 25℃
Ta= -25℃
1
14
0.50mA
0.45mA
0.40mA
0.35mA
0.30mA
0.25mA
80
60
0.20mA
0.15mA
40
0.10mA
20
0.1
0.05mA
IB=0A
0
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6
0
0.4
1.6
DC CURRENT GAIN : hFE
DC CURRENT GAIN : hFE
100
10
Ta=125℃
Ta= 75℃
Ta= 25℃
Ta= -25℃
10
0.1
1
10
100
1000
0.1
COLLECTOR CURRENT : IC (mA)
10
100
1000
Ta=125℃
Ta= 75℃
Ta= 25℃
Ta= -25℃
0.01
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
IC/IB=10
30mA
8
25mA
6
20mA
15mA
4
10mA
2
5mA
IB=0A
0
2
4
6
8
10 12 14 16 18 20
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig. 3 GROUNDED EMITTER OUTPUT
CHARACTERISTICS (Ⅱ)
1
Ta=25ºC
IC/IB=50
20
10
0.1
0.01
0.1
1
10
100
1000
COLLECTOR CURRENT : IC (mA)
Fig. 5 DC CURRENT GAIN vs. COLLECTOR
CURRENT CHARACTERISTICS (Ⅱ)
Fig.4 DC CURRENT GAIN vs. COLLECTOR
CURRENT CHARACTERISTICS (Ⅰ)
0.1
1
COLLECTOR CURRENT : IC (mA)
1
35mA
0
VCE=6V
VCE=6V
3V
1V
40mA
10
2
1000
Ta=25ºC
100
45mA
12
Fig. 2 GROUNDED EMITTER OUTPUT
CHARACTERISTICS (Ⅰ)
Fig. 1 GROUNDED EMITTER PROPAGATION
CHARACTERISTICS
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
1.2
50mA
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
BASE TO EMITTER VOLTAGE : VBE (V)
1000
0.8
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
COLLECTOR CURRENT : IC (mA)
VCE=6V
COLLECTOR CURRENT : IC (mA)
100
Fig. 6 COLLECTOR SATURATION VOLTAGE vs.
COLLECTOR CURRENT CHARACTERISTICS(Ⅰ)
1
IC/IB=50
Ta=125℃
Ta= 75℃
Ta= 25℃
Ta= -25℃
0.1
0.01
0.1
1
10
100
1000
COLLECTOR CURRENT : IC (mA)
0.1
1
10
100
COLLECTOR CURRENT : IC (mA)
Fig. 8 COLLECTOR SATURATION VOLTAGE vs.
Fig. 7 COLLECTOR SATURATION VOLTAGE vs.
COLLECTOR CURRENT CHARACTERISTICS(Ⅲ)
COLLECTOR CURRENT CHARACTERISTICS(Ⅱ)
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© 2011 ROHM Co., Ltd. All rights reserved.
3/4
2011.10 - Rev.A
Data Sheet
EML22/UML23N
<Di>
Measurement circuits
<Tr+Di>
7.8
2V
Reference Voltage : VREF (V)
VCE = 2V
IC=10mA
7.6
IC
7.4
VREF
7.2
Temperature
Coefficient : 155ppm/℃
7
GND
6.8
-50
-25
0
25
50
75
100
125
Temperature : Ta(ºC)
Fig.16 Reference Voltage vs Temperature
Characteristics
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4/4
Fig 17 Reference Voltage vs Temperature
Characteristics Mesurement CIrcuit
2011.10 - Rev.A
Notice
Notes
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© 2011 ROHM Co., Ltd. All rights reserved.
R1120A