OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LM337BD2TG

P1-P3P4-P6P7-P9P10-P11
LM337
www.onsemi.com
4
Figure 2. Load Regulation and DI
Adj
/Load Test Circuit
Figure 3. Standard Test Circuit
Figure 4. Ripple Rejection Test Circuit
V
O
(min Load) - V
O
(max Load)
C
in
1.0 mF
R
2
1%
R
1
120
C
O
+
R
L
(max
Load)
Adjust
V
in
-V
I
LM337
V
out
*Pulse testing required.
1% Duty Cycle is suggested.
Load Regulation (mV) = V
O
(min Load) - V
O
(max Load) Load Regulation (% V
O
) = x 100
I
L
I
Adj
1.0 mF
-V
O
(min Load)
-V
O
(max Load)
V
O
R
L
+
1.0 mF
C
O
R
1
120
1%
R
2
C
in
Adjust
V
in
LM337
To Calculate R
2
:
R
2
=
- 1
R
1
This assumes I
Adj
is negligible.
* Pulse testing required.
* 1% Duty Cycle is suggested.
V
I
I
Adj
V
ref
I
L
V
O
1.0 mF
V
out
R
L
+
1.0 mF
C
O
1N4002D
1
*
C
in
1%R
2
Adjust
V
in
LM337
R
1
120
14.3 V
4.3 V
f = 120 Hz
C
Adj
+
V
out
= -1.25 V
* D
1
Discharges C
Adj
if output is shorted to Ground.
1.0 mF
10mF
V
out
V
O
*
V
O
(min Load)
V
ref
LM337
www.onsemi.com
5
Figure 5. Load Regulation Figure 6. Current Limit
Figure 7. Adjustment Pin Current Figure 8. Dropout Voltage
Figure 9. Temperature Stability Figure 10. Minimum Operating Current
ΔV
out
, OUTPUT VOLTAGE CHANGE (%)
I
L
= 0.5 A
I
L
= 1.5 A
V
in
= -15 V
V
out
= -10 V
I
out
, OUTPUT CURRENT (A)
T
J
= 25°C
, ADJUSTMENT CURRENT (
Adj
μA)I
V
in out
, INPUT-OUTPUT VOLTAGE- V
1.0 A
500 mA
200 mA
20 mA
V
out
= -5.0 V
DV
O
= 100 mV
I
L
= 1.5 A
V
ref
, REFERENCE VOLTAGE (V)
, QUIESCENT CURRENT (mA)
B
I
T
J
= 25°C
DIFFERENTIAL (Vdc)
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
4.0
3.0
2.0
1.0
0
80
75
70
65
60
55
50
45
40
3.0
2.5
2.0
1.5
1.0
1.27
1.26
1.25
1.24
1.23
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
0 10203040
V
in
-V
out
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
10 20 30 400
V
in
-V
out
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
LM337
www.onsemi.com
6
Figure 11. Ripple Rejection versus Output Voltage Figure 12. Ripple Rejection versus Output Curren
t
Figure 13. Ripple Rejection versus Frequency Figure 14. Output Impedance
Figure 15. Line Transient Response Figure 16. Load Transient Response
010203040
t, TIME (ms)
V
VOLTAGE CHANGE (V)
Δ
in
ΔV
VOLTAGE DEVIATION (V)
out
, INPUT , OUTPUT
ΔV
VOLTAGE DEVIATION (V)
out
I
CURRENT (A)
L
, LOAD
, OUTPUT
010203040
t, TIME (ms)
V
out
= -10 V
I
L
= 50 mA
T
J
= 25°C
C
L
= 1.0 mF
Without C
Adj
0 -5.0 -10 -15 -20 -25 -30 -35 -40
RR, RIPPLE REJECTION (dB)
V
out
, OUTPUT VOLTAGE (V)
0.01 0.1 1.0 10
RR, RIPPLE REJECTION (dB)
I
O
, OUTPUT CURRENT (A)
10 100 1.0 k 10 k 100 k 1.0 M 10 M
RR, RIPPLE REJECTION (dB)
f, FREQUENCY (Hz)
10 100 1.0 k 10 k 100 k 1.0 M
, OUTPUT IMPEDANCE ()
O
Ω
f, FREQUENCY (Hz)
Z
C
Adj
= 10 mF
0.8
0.6
0.4
0.2
0
-0.2
-0.4
0
-0.5
-1.0
-0.5
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
0
-1.0
-1.5
100
80
60
40
20
0
100
80
60
40
20
0
100
80
60
40
0
20
10
1
10
0
10
-1
10
-2
10
-3
Without C
Adj
C
Adj
= 10 mF
V
in
= -15 V
V
out
= -10 V
I
L
= 50 mA
T
J
= 25°C
C
L
= 1.0 mF
C
Adj
= 10 mF
V
in
- V
out
= 5.0 V
I
L
= 500 mA
f = 120 Hz
T
J
= 25°C
Without C
Adj
Without C
Adj
C
Adj
= 10 mF
V
in
= -15 V
V
out
= -10 V
f = 120 Hz
T
J
= 25°C
C
Adj
=10 mF
Without C
Adj
V
in
= -15 V
V
out
= -10 V
I
L
= 500 mA
T
J
= 25°C
Without C
Adj
C
Adj
= 10 mF
V
in
= -15 V
V
out
= -10 V
I
L
= 500 mA
C
L
= 1.0 mF
T
J
= 25°C
P1-P3P4-P6P7-P9P10-P11

LM337BD2TG

Mfr. #:
Buy LM337BD2TG
Manufacturer:
ON Semiconductor
Description:
Linear Voltage Regulators 1.5A -1.2 to -37V ADJ Negative
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet