LT1937ES5#PBF Linear Technology, LT1937ES5#PBF Datasheet - Page 9
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LT1937ES5#PBF
Manufacturer Part Number
LT1937ES5#PBF
Description
Manufacturer
Linear Technology
Datasheet
1.LT1937ES5PBF.pdf
(12 pages)
Specifications of LT1937ES5#PBF
Operating Supply Voltage (typ)
3.3/5/9V
Number Of Segments
6
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
TSOT-23
Pin Count
5
Mounting
Surface Mount
Operating Supply Voltage (min)
2.5V
Operating Supply Voltage (max)
10V
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL APPLICATIO S
3V TO 5V
3V TO 5V
V
V
IN
IN
C
C
D: CENTRAL CMDSH-3
L: MURATA LQH3C220
C
C
D: CENTRAL CMDSH2-3
L: MURATA LQH3C220
IN
OUT
IN
OUT
: TAIYO YUDEN JMK107BJ105
C
1 F
: TAIYO YUDEN JMK107BJ105
: AVX 0603YD224
C
1 F
IN
: AVX 0603ZD105
IN
Li-Ion to Three White LEDs
Li-Ion to Two White LEDs
V
SHDN
V
SHDN
IN
IN
LT1937
22 H
LT1937
GND
22 H
GND
L
L
SW
SW
FB
FB
DIMMING
DIMMING
V
V
DC
U
DC
D
90k
D
90k
5k
5k
R1
4
R1
2
1937 TA01a
1937 TA05a
C
0.22 F
C
1 F
OUT
OUT
90
85
80
75
70
65
60
86
84
82
80
78
76
74
72
70
0
0
V
IN
= 3V
Three LED Efficiency
10
5
Two LED Efficiency
LED CURRENT (mA)
LED CURRENT (mA)
V
IN
= 3.6V
10
20
V
IN
V
= 3V
IN
= 3.6V
15
30
1937 TA01b
1937 TA05a
20
40
LT1937
9
1937f