LTC3722EGN-1#PBF Linear Technology, LTC3722EGN-1#PBF Datasheet - Page 6

• Manufacturer Part Number: LTC3722EGN-1#PBF
• Description: IC CTLR PWM CURRENT-MODE 24SSOP
• Manufacturer: Linear Technology

Specifications of LTC3722EGN-1#PBF

• Pwm Type: Current Mode, Full Bridge
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 98.5%
• Voltage - Supply: 3.8 V ~ 10.3 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: Yes
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-SSOP
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC3722-1/LTC3722-2
Typical perForMance characTerisTics

1.205
1.204
1.203
1.202
1.201
1.200
1.199
1.198
1.197
90
80
70
60
50
40
30
20
10
0
–55
–55
Slope Current vs Temperature
FB Input Voltage vs Temperature
–25
–25
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
C
T
C
350
300
200
100
250
150
50
T
= 2.25V
0
35
= 1V
35
10
Synchronous Driver Turn-Off
Delay in Fixed Mode
T
A
= 25°C
65
65
60
95
95
372212 G13
3722 • G10
R
SPRG
125
125
110
(k )
10.5
10.4
10.3
10.2
10.1
10.0
160
9.9
9.8
300
250
200
150
100
50
0
–55
10
V
Delay Timeout vs R
T
I
CC
CC
A
372212 G16
= 25°C
= 10mA
Shunt Voltage vs Temperature
–25
60
210
TEMPERATURE (°C)
110
5
SBUS = 2.25V
R
DPRG
160
35
(k )
DPRG
210
65
SBUS = 1.5V
SBUS = 1.125V
260
220
180
140
100
60
20
10
Synchronous Driver Turn-Off Delay in
Adaptive Mode, SBUS = 1.5V
95
260
T
A
= 25°C
30
372212 G11
372212 G14
125
310
50 70
B HI-F LOW
R
90
SPRG
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
300
250
200
150
100
50
A HI-E LOW
110
0
–55
(k )
10
Delay Pin Threshold
vs Temperature
ZVS Delay in Fixed Mode,
SBUS = 5V
T
130
A
ADLY = PDLY = 2.25V
= 25°C
SBUS = 2.25V
–25
60
150
170
TEMPERATURE ( C)
110
372212 G17
5
190
R
DPRG
160
35
ADLY = PDLY = 1.125V
(k )
ADLY = PDLY = 1.5V
SBUS = 1.5V
210
65
260
95
372212fa
372212 G12
372212 G15
125
310