特殊运放IC MM1462X(可编辑)
特殊运放IC MM1462X
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
Op Amplifier 2 Circuit and Shunt Regulator 2.5V
Monolithic IC MM1462BN, MM1462XN
Outline
MM1462BN incorporates a 2-circuit op amp + shunt regulator 1.25V , and MM1462XN incorporates a 2-
circuit op amp + shunt regulator 2.5V .
Supports voltage control and sensors for adapters, etc.
Features
1. Input bias current 30nA typ.
2. Power supply voltage removal 65dB min. B amp
3. Current consumption 2.4mA typ. MM1462BN
1.2mA typ. MM1462XN
4. Reference voltage 1.25V typ. MM1462BN
2.50V typ. MM1462XN
5. Output inversion voltage fluctuation 3mV typ. MM1462BN-A amp
VCC 2.5~5V 0.5mV typ. MM1462BN-B amp
Package
SOT-25A
SOT-25B
Applications
1. Charger
2. Switching power supply
3. AC adapter
Pin Assignment
1 OUT
5 4
2 GND
3 BIN
4 AIN
1 2 3
5 VCC
-
SOT 25A, SOT-25B
TOP VIEW
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
Block Diagram
MM1462XN MM1462BN
VCC AIN VCC AIN
5 4 5 4
0 0
0 0
0 0
4 2
0 7
2 5
9 0
6 2
4 2
0 7
8 9
0 0
3 3
1 2 3 1 2 3
OUT GND BIN OUT GND BIN
Pin Description
Pin No. Pin name Function Internal equivalent circuit diagram
1 OUT Output pin
1
3 BIN Input pin
4 AIN
3
4
Absolute imum Ratings Ta 25?C
Item Symbol Ratings Units
Strage temperature TSTG -40~+125 ?C
Operating temperature TOPR
-25~+85 ?C
Supply voltage VCC -0.3~+20 V
Allowable loss Pd 250 mW
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
Recommended Operating Conditions
MM1462BN
Item Symbol Ratings Units
Operating temperature TOPR -20~+70 ?C
Operating voltage VOPR +2.5~+20 ?C
MM1462XN
Item Symbol Ratings Units
Operating temperature TOPR -25~+85 ?C
Operating voltage VOPR +4~+20 ?C
Electrical Characteristics Except where noted therwise, Ta 25?C,
VCC 5V
MM1462BN
Item Symbol
Measurement conditions Min. Typ. . Units
Current consumption ICC AIN 0V, BIN 0V, RL ? 2.4 3.4 mA
A amplifier
Output inverting voltage A VA BIN 0V, RL 4.3k, VCC 3~5V 1.225 1.25 1.275 V
Input bias current A IB BIN 0V, RL 4.3k 30 150 nA
PSRR A PSRR BIN 0V, RL 4.3k 50 dB
Output sink current A ISI AIN 1.35V, BIN 0V, VOUT 1.5V 5 mA
Output inverting voltage A
VA BIN 0V, RL 4.3k, VCC 2.5~5V 3 mV
deviation
Output inverting voltage A
?100 ppm/?C
temperature coefficient
B amplifier
Output inverting voltage B VB AIN 0V, RL 4.3k, VCC 3~5V 151 154 157 mV
Input bias current B IB AIN 0V, RL 4.3k, VCC 3~5V 30 150 nA
PSRR B PSRR AIN 0V, RL 4.3k 65 dB
Output sink current B ISI AIN 0V, BIN 0.17V, VOUT 1.5V 5 mA
Output inverting voltage B
VB AIN 0V, RL 4.3k, VCC 2.5~5V 0.5 mV
deviation
Output inverting voltage B
?100 ppm/?C
temperature coefficient
MM1462XN
Item Symbol Measurement conditions Min. Typ. . Units
Current consumption ICC AIN 0V, BIN 0V, RL ? 1.2 1.7 mA
A amplifier
Output inverting voltage A VA BIN 0V, RL 4.3k 2.45 2.50 2.55 V
Input bias current A IB BIN 0V, RL 4.3k 30 150 nA
PSRR A PSRR A BIN 0V, RL 4.3k 62 dB
Output sink current A ISI AIN 2.7V, BIN 0V, VOUT 1.5V 5 mA
B amplifier
Output inverting voltage B VB AIN 0V, RL 4.3k 151 154 157 mV
Input bias current B IB AIN 0V, RL 4.3k 30 150 nA
PSRR B PSRR B AIN 0V, RL 4.3k 65 dB
Output sink current B ISI AIN 0V, BIN 0.17V, VOUT 1.5V 5 mA
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
Measuring Circuit
MM1462BN
VCC
TPB TPA 0.22μF
RL
100k
1
VCC 1
5 W
S
0
MM1462BNRE
1
W 1 2 3 4
S 0.22μF W W W W
2000 1
AIN S S S S
AIN OUT
4 A
1.5k SW5
22057
OFF
BIN 2
1
3 W
BIN 6 7 8 9 3097 0.1μF S
W W
3.9k 680k S S W W
S S
1.5V 47μF 1k 2 1.5k
VIN 1M 1M
GND
Except where noted therwise, Ta 25?C, VCC 5.0V
Switch
Status : ON
Item
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8
SW9 SW10 SW11 SW12 RL ? VIN V : OFF
Current consunption 4.3k
Output inverting Mesure TPA
AIN 4.3k
voltage A voltage
Input bias Mesure TPA
4.3k
current A voltage
Output sink Mesure output
1.35
current A sink current
PSRR A 4.3k VA *1
Output inverting Mesure TPB
BIN
4.3k
voltage B voltage
Input bias Mesure TPB
4.3k
current B voltage
Output sink Mesure output
0.17
current B sink current
PSRR B 4.3k *3 *2
*1 VOUT 1 is defined by the voltage when VCC 4V. VOUT2 is defined by the voltage when VCC 25V.
PSRR A is shown in the eqation below.
*2 VOUT 1 is defined by the voltage when VCC 4V. VOUT2 is defined by the voltage when VCC 25V.
PSRR B is shown in the eqation below.
PSRR 40+20log | 25V-4V / VOUT 1-VOUT2 |
*3 VB-20mV
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
MM1462XN
VCC
TPB TPA
0.22μF
RL
100k
1
VCC 1
5 W
S
0
MM1462XNRE
1
W 1 2 3 4
S 0.22μF W W W W 4000 1
AIN S S S S AIN OUT
4 A
1.5k SW5
46920
OFF
BIN 2
1
3 W
BIN 6 7 8 9 3080 0.1μF S
W W
3.9k 680k S S W W
S S
1.5V 47μF 1k 2 1.5k
VIN 1M 1M
GND
Except where noted therwise, Ta 25?C, VCC 5.0V
Switch
Status : ON
Item
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12 RL ? VIN V : OFF
Current consunption 4.3k
Output inverting
Mesure TPA
AIN 4.3k
voltage A voltage
Input bias Mesure TPA
4.3k
current A voltage
Output sink Mesure output
2.7V
current A
sink current
PSRR A 4.3k VA *1
Output inverting Mesure TPB
BIN 4.3k
voltage B voltage
Input bias Mesure TPB
4.3k
current B voltage
Output sink Mesure output
0.17
current B sink current
PSRR B 4.3k *3 *2
*1 VOUT 1 is defined by the voltage when VCC 4V. VOUT2 is
defined by the voltage when VCC 25V.
PSRR A is shown in the eqation below.
*2 VOUT 1 is defined by the voltage when VCC 4V. VOUT2 is
defined by the voltage when VCC 25V.
PSRR B is shown in the eqation below
PSRR 40+20log | 25V-4V / VOUT 1-VOUT2 |
*3 VB-20mV
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
Application Circuit MM1462XN
0.001μ B+
/1kV
k
68μH
6
5
k
5
.
1
1k
0
0
1
k 5 4 100μ
7 M
800μ 4 1
/16V
/8V 0.1μF
0.022μF
k
1 2 3 5.
0.1μF 100μ 1
/16V
8.3μ
/250V 0
F 9
μ
3
3 k 0
3 2
0 . 9
0. 8 3 0.1μF
0.22
GND
k
7
.
2
100
100
3.0V product except where
noted therwise, Ta 25?C, V 5V, V 5V, C
1μF, C 2.2μ
Characteristics
IN CONT IN O
MM1462BN
1.30 1.30
g g
n n
i V 1.25 i V 1.25
t t
r r
e A e A
v v
n e n e
I 1.20
I 1.20
g g
t a t a
u t u t
p l p l
t o t o
u V 1.15 u V 1.15
O O
1.10 1.10
0 1 2 3 4
5 0 5 10 15 20
VCC V
VCC V
0.160 0.160
g g
n n
i V 0.155 i V 0.155
t t
r r
e B e B
v v
n e n e
I 0.150 I 0.150
g g
t a t a
u t u t
p l p l
t o t o
u V 0.145 u V 0.145
O O
0.140 0.140
0 1 2 3
4 0 1 2 3 4
VCC V
VCC V
Note: these are typical characteristics
MITSUMI Op Amplifier 2 Circuit and Shunt Regulator 2.5V MM1462BN, MM1462XN
MM1462XN
0.159
Sample No.
0.158
V V
0.157
B B
e e 0.156
g g
a a
t t
l 0.16 l 0.155
o o
V V
0.14 0.154
g g
n n
i 0.12 i 0.153
t t
r r
e e
v 0.10 v 0.152
n n
I I
t 0.08 t 0.151
u u
p p
t 0.06 t 0.150
u u
O 0.04 O 0.149
0.02
0
0 1 2 3 4 6 8 10 12 14 16
18 20 22 24 26 28 30
VCC V
VCC V
2.6
2.4 2.55
Sample No.
2.2 2.54
V V
2.0 2.53
B B
e 1.8 e 2.52
g g
a a
t t
l 0.16 l 2.51
o o
V V
0.14 2.50
g g
n n
i 0.12 i 2.49
t t
r r
e e
v 0.10 v 2.48
n n
I I
t 0.08 t 2.47
u u
p p
t 0.06 t 2.46
u u
O 0.04 O 2.45
0.02 2.44
0
0 1 2 3 4 6 8 10 12 14 16
18 20 22 24 26 28 30
VCC V
VCC V
Note: these are typical characteristics
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