LT3751EUFD#PBF Linear Technology, LT3751EUFD#PBF Datasheet - Page 13

• Manufacturer Part Number: LT3751EUFD#PBF
• Description: IC CAPACITOR CHRG 20-QFN
• Manufacturer: Linear Technology

Specifications of LT3751EUFD#PBF

• Applications: Photoflash Capacitor Charger
• Current - Supply: 5.5mA
• Voltage - Supply: 4.75 V ~ 24 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-QFN
• Primary Input Voltage: 24V
• No. Of Outputs: 1
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Supply Voltage Range: 4.75V To 24V
• Termination Type: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

OPERATION
ONE-SHOT
ONE-SHOT
SWITCH
SWITCH
ENABLE
ENABLE
26kHz
26kHz
CLK
CLK
I
I
PRI
PRI
BLANKING
FORCED
PEAK CURRENT
MAXIMUM
t
PER
HEAVY LOAD OPERATION
≈ 38μs
PEAK CURRENT
CHARGE MODE
CONTROL
I
I
I
1/10
LIM
MAX
MAX
(
NO BLANKING
95%
10%
) DUTY CYCLE (
0
NO-LOAD
OPERATION
Figure 5. Modes of Operation (Steady State)
LIGHT LOAD
Figure 6. Regulation Technique
)
MODERATE
LOAD
...
...
...
...
...
...
t
t
ONE-SHOT
ONE-SHOT
1/10TH I
V
V
OUT, NOM
OUT, NOM
SWITCH
ENABLE
HEAVY LOAD
26kHz
26kHz
110%
105%
V
CLK
CLK
I
OUT
I
PRI
PRI
PK
BLANKING
FORCED
CHARGE
MODE
3751 F06
t
PER
LIGHT LOAD OPERATION
NO-LOAD OPERATION
DUTY CYCLE
≈ 38μs
LOAD
CURRENT
CONTROL
DUTY CYCLE
CONTROL
LT3751
13
3751 F05
...
...
...
...
...
...
3751fb
t
t