LTC1436AIGN-PLL Linear Technology, LTC1436AIGN-PLL Datasheet - Page 3

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

Specifications of LTC1436AIGN-PLL

• 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: Contains lead / RoHS non-compliant
• Power - Output: -

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
V
V
I
V
I
I
V
I
∆V
t
TGL t
TGL t
TGS t
TGS t
BG t
BG t
Internal V
V
V
V
V
Oscillator and Phase-Locked Loop
f
R
I
Power-On Reset
V
I
V
t
SFB
PROG
Q
RUN/SS
OSC
PLLLPF
LPOR
ON(MIN)
DPOR
LINEREG
LOADREG
SFB
OVL
RUN/SS
INTVCC
LDO
LDO
EXTVCC
SATPOR
THPOR
PLLIN
SENSE(MAX)
r
f
INT
EXT
r
f
r
f
CC
Regulator
PARAMETER
Reference Voltage Line Regulation
Output Voltage Load Regulation
Secondary Feedback Threshold
Secondary Feedback Current
Output Overvoltage Lockout
V
Input DC Supply Current
RUN Pin Threshold
Soft Start Current Source
Maximum Current Sense Threshold
Minimum On-Time
TGL Transition Time
TGS Transition Time
BG Transition Time
Internal V
INTV
EXTV
EXTV
Oscillator Frequency
PLL IN Input Resistance
Phase Detector Output Current
POR Saturation Voltage
POR Leakage
POR Trip Voltage
POR Delay
PROG
Normal Mode
Shutdown
Rise Time
Fall Time
Rise Time
Fall Time
Rise Time
Fall Time
VCO High
Sinking Capability
Sourcing Capability
CC
CC
CC
Input Current
Load Regulation
Voltage Drop
Switchover Voltage
CC
Voltage
CONDITIONS
V
I
I
V
V
V
0.5V > V
INTV
EXTV
3.6V < V
V
V
V
Tested with Square Wave, SENSE
∆V
C
C
C
C
C
C
6V < V
C
LTC1436A-PLL/LTC1437A, V
LTC1436A-PLL/LTC1437A, V
f
f
I
V
V
V
I
I
I
TH
TH
PLLIN
PLLIN
POR
IN
SFB
SFB
PROG
RUN/SS
RUN/SS
CM
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
INTVCC
INTVCC
INTVCC
OSC
POR
PROG
PROG
SENSE
A
Sinking 5µA (Note 3)
Sourcing 5µA (Note 3)
= 3.6V to 20V (Note 3), V
= 0V, 5V, V
CC
Ramping Negative
= 1.5V
= 25°C. V
CC
= 100pF, LTC1436 (Note 5),
= 1.6mA, V
< f
> f
= 12V, V
= 3000pF
= 3000pF
= 500pF
= 500pF
= 3000pF
= 3000pF
IN
Pin Open
Pin Open, V
Pin Open
– 0.5V < V
= 15mA, V
= 15mA, V
= 15mA, V
= 5V (Note 4)
PROG
IN
OSC
OSC
= 0V, 3.6V < V
= 0V
= 20mV (Note 7)
< 30V, V
The
< 30V, V
OSENSE
●
PROG
IN
OSENSE
EXTVCC
denotes the specifications which apply over the full operating
PROG
OSENSE
EXTVCC
EXTVCC
EXTVCC
= 15V, V
AUXON
Pin Open
= 1.2V, V
< INTV
IN
= 1V, V
= 4V
= 4V
= 5V
Ramping Positive
Ramping Negative
< 15V
= 0V
RUN/SS
PROG
PLLLPF
PLLLPF
CC
PROG
PROG
–
Pin Open
= 1.6V,
= 0V
= 2.4V
= 5V unless otherwise noted.
Pin Open
Pin Open
LTC1436A-PLL/LTC1437A
●
●
●
●
●
●
1.24
MIN
1.16
130
112
200
– 11
0.8
1.5
4.8
4.5
10
10
65536
– 0.5
– 0.2
– 7.5
1.19
1.28
TYP
280
150
250
130
240
0.002
125
– 3
1.3
5.0
4.7
0.6
0.2
– 1
16
50
50
90
50
50
40
50
15
15
0.5
3
3
LTC1436A
MAX
0.01
– 0.8
1.22
1.32
180
300
150
150
200
150
150
150
230
138
4.5
5.2
– 2
– 6
– 1
– 4
25
20
20
0.8
2
1
1
6
14367afb
UNITS
Cycles
3
%/V
kHz
kHz
mV
mV
kΩ
µA
µA
µA
µA
µA
µA
µA
µA
µA
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
V
V
V
V
V
V