lt3710 Linear Technology Corporation, lt3710 Datasheet - Page 4

• Manufacturer Part Number: lt3710
• Description: Secondary Side Synchronous Post Regulator
• Manufacturer: Linear Technology Corporation

LT3710
4
TYPICAL PERFOR A CE CHARACTERISTICS
195
200
205
210
215
300
250
200
150
100
–1
50
3
2
1
0
0
–40
0
Frequency vs Temperature
G
CSET = 500pF
T
CSET = 500pF
C
V
BIAS
A
GBIAS
REF
= 25 C
–20
JUNCTION TEMPERATURE ( C)
vs I
vs V
= 2.2 F
10
GBIAS
CC
0
, FREQ vs V
V
500 s
(Charging 2.2 F)
TIME
CC
W
15
V
FREQ
25
REF
(V)
V
I
GBIAS
50
GBIAS
U
20
CC
75
3710 G04
3710 G06
3710 G08
1ms
125
25
12
10
8
6
4
2
0
1
0
–1
0.801
0.800
0.799
0.798
500
400
300
200
100
8
7
6
5
4
3
2
1
0
–40
200
50
V
Current Limit Amplifier CA1 Gain
at V
CSET vs Switching Frequency
T
V
V
T
CSET = 500pF
REF
A
CSET
CC
CLN
A
= 25 C
= 25 C
CC
= 11V
–20
= 5V
vs Temperature
JUNCTION TEMPERATURE ( C)
= 11V, V
400
60
V
0
CL
+
CSET (pF)
MAXIMUM DUTY CYCLE
– V
CL
600
70
25
CL
–
CSET PEAK
–
= 5V
(mV)
50
CSET VALLEY
800
80
75
3710 G07
3710 G09
3710 G05
1000
125
90
1.00
0.95
0.90
0.85
0.80
0.75
0.70
3710f