LT1931 Linear Technology, LT1931 Datasheet - Page 11

• Manufacturer Part Number: LT1931
• Description: 1.2MHz/2.2MHz Inverting DC/DC Converters in ThinSOT
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
TYPICAL APPLICATIO S
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
4. DIMENSIONS ARE INCLUSIVE OF PLATING
5. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
6. MOLD FLASH SHALL NOT EXCEED .254mm
7. PACKAGE EIAJ REFERENCE IS:
(.008)
.20
SC-74A (EIAJ) FOR ORIGINAL
JEDEL MO-193 FOR THIN
DATUM ‘A’
L
MILLIMETERS
(INCHES)
V
SS
R
15k
SS
V
5V
IN
*TOTAL OUTPUT POWER NOT TO EXCEED 1.3W
C1 TO C7: X5R OR X7R
D1, D2: BAV99 OR EQUIVALENT
L1: SUMIDA CR43-100
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SLIC Power Supply with – 21.6V and – 65V Outputs, Uses Soft-Start
C
68nF
SS
(.004 – .008)
C1
4.7 F
16V
(NOTE 2)
.09 – .20
U
U
V
SHDN
IN
A A2
LT1931
10 H
GND
L1
A1
A2
A
L
NFB
SW
R2
1k
5-Lead Plastic SOT-23
(LTC DWG # 05-08-1633)
(LTC DWG # 05-08-1635)
(.035 – .057)
(.035 – .051)
(.014 – .021)
(.00 – .006)
(Original)
.90 – 1.45
.90 – 1.30
.00 – .15
.35 – .55
SOT-23
S5 Package
1000pF
(.074)
1.90
REF
C8
16.2k
(.012 – .019 REF)
1
R1
R3
(.0004 – .004)
.30 – .50 REF
(.031 – .035)
(.039 MAX)
(ThinSOT)
1.00 MAX
.01 – .10
.80 – .90
2.7k
SOT-23
R4
35V
1 F
C4
A1
C2
1 F
35V
C3
1 F
35V
(.102 – .118)
2.60 – 3.00
3
3
3
D1
D2
D3
2
1
2
1
2
1
(.059 – .069)
1.50 – 1.75
(NOTE 3)
PIN ONE
C5
4.7 F
25V
C6
4.7 F
25V
C7
4.7 F
25V
LT1931/LT1931A
1931 TA09
(.037)
REF
.95
COM
V
–21.6V
48mA*
V
– 65V
20mA*
OUT1
OUT2
(5PLCS, NOTE 2)
(.010 – .020)
(.110 – .118)
.25 – .50
2.80 – 3.10
(NOTE 3)
11
S5 SOT-23 0501