LTC1436AIGN-PLL#TRPBF Linear Technology, LTC1436AIGN-PLL#TRPBF Datasheet - Page 6

• Manufacturer Part Number: LTC1436AIGN-PLL#TRPBF
• Description: IC SW REG SYNC STEP-DOWN 24-SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1436AIGN-PLL#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.19 ~ 9 V
• Current - Output: 50mA
• Frequency - Switching: 125kHz ~ 240kHz
• Voltage - Input: 3.5 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC1436A
LTC1436-PLL-A/LTC1437A
TYPICAL PERFORMANCE CHARACTERISTICS
200mV/DIV
6
20mV/DIV
148
–10
154
152
150
146
– 5
10
f
V
5
O
V
– 40
– 40
OUT
ITH
Normalized Oscillator Frequency
vs Temperature
Maximum Current Sense
Threshold Voltage vs Temperature
Burst Mode Operation
I
LOAD
–15
–15
= 50mA
10
10
TEMPERATURE (°C)
TEMPERATURE (°C)
35
35
60
60
85
85
W
110
110
1436 G10
1436 G13
U
1436 G16
135
135
50mV/DIV
INDUCTOR
CURRENT
V
RUN/SS
OUT
5V/DIV
1A/DIV
1
4
3
2
0
– 40
RUN/SS Pin Current
vs Temperature
Transient Response
I
LOAD
Soft Start: Load Current vs Time
–15
= 50mA to 1A
10
TEMPERATURE (°C)
35
60
85
110
1436 G11
1436 G14
1436 G17
135
50mV/DIV
– 0.25
– 0.75
–1.00
–1.50
–1.50
–1.25
12.2
12.1
11.8
12.0
11.9
11.7
V
OUT
0
– 40
Auxiliary Regulator Load
Regulation
0
SFB Pin Current vs Temperature
Transient Response
I
EXTERNAL PNP: 2N2907A
LOAD
–15
= 1A to 3A
AUXILIARY LOAD CURRENT (mA)
40
10
TEMPERATURE (°C)
80
35
60
120
85
160
110
14367afb
1436 G12
1436 G18
1436 G15
135
200