16
LT1306
LINEAR TECHNOLOGY CORPORATION 1999
1306f LT/TP 0400 4K • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LT1302 High Output Current Micropower DC/DC Converter 5V/600mA from 2V, 2A Internal Switch, 200µA I
Q
LT1304 2-Cell Micropower DC/DC Converter 5V/200mA, Low-Battery Detector Active in Shutdown
LT1307/LT1307B Single Cell, Micropower, 600kHz PWM DC/DC Converters 3.3V at 75mA from One Cell, MSOP Package
LT1308A/LT1308B High Output Current Micropower DC/DC Converter 5V at 1A from Single Li-Ion Cell
LT1316 Burst Mode
Operation DC/DC with Programmable Current Limit 1.5V Minimum, Precise Control of Peak Current Limit
LT1317/LT1317B Micropower, 600kHz PWM DC/DC Converters 100µA I
Q
, Operate with V
IN
as Low as 1.5V
LT1610 Single-Cell Micropower DC/DC Converter 3V at 30mA from 1V, 1.7MHz Fixed Frequency
LT1613 1.4MHz Switching Regulator in 5-Lead SOT-23 5V at 200mA from 4.4V Input, Tiny SOT-23 package
LT1615 Micropower Step-Up DC/DC in 5-Lead SOT-23 20µA I
Q
, 36V/350mA Internal Switch, V
IN
as Low as 1.2V
LTC1624 High Efficiency N-channel Switching Regulator Controller V
OUT
= 1.19V to 30V in Stepdown; V
IN
= 3.5V to 36V
SO-8 Package
LT1949 600kHz, 1A Switch PWM DC/DC Converter 1.1A, 0.5Ω/30V Internal Switch, V
IN
as Low as 1.5V
RELATED PARTS
SW
L1
10µH
D1
C1
1µF
V
IN
CAP
LT1306
R3
75k
R2
249k
R1
768k
C
Z
15nF
C
IN2
0.1µF
CERAMIC
C
IN1
22µF
3.6V
TO 6.5V
C
P
22pF
C
O2
1µF
CERAMIC
C
IN1
: AVX TAJC226M010
C
O1
: AVX TPSE227M010R0100
C1: AVX TAJA105K020
D1: MMBD914LT1
L1: CTX10-3
1306 F09
5V
1A
OUTS/S
FB
V
C
GND
+
+
C
O1
220µF
+
LOAD CURRENT (mA)
1
60
EFFICIENCY (%)
80
85
90
10 100 1000 2000
1306 F10a
75
70
65
V
IN
= 4.8V
V
IN
= 3.6V
V
IN
= 6V
V
O
= 5V
L1 = 10µH
TYPICAL APPLICATIO S
U
4-Cell NiMH to 5V Output Efficiency
Transient Response with Step Input (4V to 6V)
0.5ms/DIV
V
IN
5V/DIV
V
SW
5V/DIV
V
O
0.1V/DIV
AC
I
L
500mA/DIV
