DS3920T-002+T Maxim Integrated Products, DS3920T-002+T Datasheet - Page 5
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DS3920T-002+T
Manufacturer Part Number
DS3920T-002+T
Description
Current & Power Monitors & Regulators Fast APD Bias w/20mA limit
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3920T-002T.pdf
(7 pages)
Specifications of DS3920T-002+T
Product
Current Monitors
Supply Voltage (max)
76 V
Supply Voltage (min)
2.97 V
Operating Temperature Range
- 40 C to + 85 C
Mounting Style
SMD/SMT
Package / Case
SOT-23-6
Supply Current (max)
4.4 mA
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
(T
A
CH1
= +25°C, unless otherwise noted.)
0A
T
CH1: I
A: MIROUT SHORTS TO GND THROUGH 10Ω
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
D: POST COOL-DOWN REENTRY
E: THERMAL SHUTDOWN
F: POST COOL-DOWN REENTRY
A
= +40°C
TOP VIEW
SHORT-CIRCUIT RESPONSE
A
MIROUT
B
DIODE
(V
, 5mA/div
GND
MIR
MIRIN
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20ms/div
1
2
3
= 40V)
+
SOT23
DS3920
C
Pin Configuration
D E F
DS3920 toc12
6
5
4
MIRIN
N.C.
MIROUT
CH1
0A
Typical Operating Characteristics (continued)
T
CH1: I
A: MIROUT SHORTS TO GND THROUGH 10Ω
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
D: POST COOL-DOWN REENTRY
E: THERMAL SHUTDOWN
F: POST COOL-DOWN REENTRY
A
= +40°C
SHORT-CIRCUIT RESPONSE
MIROUT
A
(V
, 5mA/div
B
MIRIN
20ms/div
= 76V)
PIN
1
2
3
4
5
6
C
D E F
DS3920 toc13
MIROUT
DIODE
NAME
MIRIN
GND
N.C.
MIR
Fast Current Mirror
Protection Diode. External potential used
for voltage clamping of V
this pin can be left unconnected.
Ground
Mirror Current Monitor Output, 5:1 Ratio
Current Mirror Voltage Output. Connect to
photodiode bias pin. Photodiode
provides reference current for the mirror.
No Connection. Not internally
connected.
Current Voltage Bias
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.001
VOLTAGE DROP vs. MIROUT CURRENT
V
MIRIN
T
A
= +25°C
0.01
= 2.97V
T
A
Pin Description
FUNCTION
= +85°C
T
A
= -40°C
I
0.1
MIROUT
DS3920
(mA)
MIR
T
1
A
. If unused,
= +100°C
10
100