SI9137LG-T1-E3 Vishay, SI9137LG-T1-E3 Datasheet - Page 2

• Manufacturer Part Number: SI9137LG-T1-E3
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,BICMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Vishay

Specifications of SI9137LG-T1-E3

• Duty Cycle (max): 95 %
• Output Voltage: 3.3 V, 5 V, 5 V to ADJ V
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Switching Frequency: 330 KHz
• Maximum Operating Temperature: + 90 C
• Minimum Operating Temperature: 0 C
• Synchronous Pin: No
• Topology: Boost, Buck, Flyback
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si9137
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
V
P
V
BST
V
LX
Inputs/Outputs to GND
(CS
RUN/STOP, SEQ, RESET
DL3, DL5, DLFY to PGND
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
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2
SPECIFICATIONS
3.3-V Buck Controller
Total Regulation (Line, Load, and Temperature)
Line Regulation
Load Regulation
Current Limit
Bandwidth
Phase Margin
5-V Buck Controller
Total Regulation (Line, Load, and Temperature)
Line Regulation
Load Regulation
Current Limit
Bandwidth
Phase Margin
5- to 12-V Flyback Controller
Total Regulation (Line, Load, and Temperature)
Output Voltage Set to 12 V
Line Regulation
Load Regulation
Current Limit
Bandwidth
Phase Margin
Internal Regulator
V
V
V
V
V
IN
GND
L
L
3
L
L
L
L
L
to GND
Short to GND
3
to GND
3
to BST
Output
Fault Lockout Voltage
Fault Lockout Hysteresis
/FB5 Switchover Voltage
/FB5 Switchover Hysteresis
, CS
, BST
to GND
5
, CSP, CSN)
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
, BSTFY to GND
; LX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
to BST
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter
. . . . . . . . . . . . . . . . . . . . . . . . . . .
5
; LXFY to BSTFY
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
−0.3 V to (V
−0.3 V to (V
All Controllers OFF, V
V
−0.3 V to +5.5 V
V
V
−0.3 V to +36 V
IN
R
−6.5 V to 0.3 V
IN
IN
−0.3 to +6.5 V
5
−0.3 to +36 V
T
= 6 to 30 V, 0 < V
R
A
= 6 to 30 V, 0 < V
= 6 to 30 V, 0 < V
= 26.4 kW, R
Continuous
SENSE
= 0_C to 90_C, All Controllers ON
V
L
L
IN
0 < V
0 < V
0 < V
+0.3 V)
+0.3 V)
= 15 V , I
Test Conditions
L = 10 mH, C = 330 mF
L = 10 mH, C = 330 mF
L = 10 mH, C = 100 mF
±2 V
= 100 mW, C
R
R
FB
V
CSP
V
V
V
CS3
CS5
SENSE
SENSE
V
L
V
V
IN
IN
IN
5
CSP
CS3
CS5
6
Falling Edge
Rising Edge
− V
= 6 to 30 V
= 6 to 30 V
= 6 to 30 V
− V
− V
= 10 kW (See Figure 1)
VL
IN
− V
− V
− V
= 20 mW
= 20 mW
CSP
FBN
FB3
FB5
= I
CS3
CS5
>5.5 V, 0 <I
FB3
FB5
CSN
REF
comp
< 300 mV
− V
< 90 mV
< 90 mV
DH3 to LX
DHFY to LXFY
Continuous Power Dissipation (T
28-Pin SSOP
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 Sec.)
Notes
a.
b.
− V
− V
CSN
= 0 mA
FB3
FB5
= 120 pF
Device mounted with all leads soldered or welded to PC board.
Derate 9.52 mW/_C above 70_C.
< 300 mV
< 90 mV
< 90 mV
L
<30 mA
3
, DH5 to LX
b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
,
Min
. . . . . . . . . . . . . . . . . . . . . . . . . .
3.22
4.87
11.4
330
4.7
3.6
4.2
90
90
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
A
a
= 70_C)
. . . . . . . . . . . . . . . . . . . . . . . . . .
Limits
a
Typ
3.32
5.02
12.0
125
125
410
50
65
50
65
10
65
75
75
b
S-40808—Rev. C, 26-Apr-04
Document Number: 70874
−0.3 V to (BSTx +0.3 V)
Max
"0.5
"0.5
3.42
5.17
±0.5
±0.5
12.6
±0.5
±0.5
160
160
500
5.5
4.2
4.7
−40_C to 125_C
a
0_C to 90_C
762 mW
300_C
Unit
kHz
kHz
kHz
mV
mV
mV
mV
mV
%
%
%
%
%
%
V
V
V
V
V
V
_
_
_