参数资料
型号: LTC3606BIDD#TRPBF
厂商: Linear Technology
文件页数: 6/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.8A 8DFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 2.25MHz
电流 - 输出: 800mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 8-DFN-EP(3x3)
LTC3606B
PIN FUNCTIONS
GND (Pins 1, 3, Exposed Pad Pin 9): Ground. Connect to
the (–) terminal of C OUT , and the (–) terminal of C IN . The
Exposed Pad must be soldered to PCB.
RLIM (Pin 2): Average Input Current Limit Program Pin.
Place a resistor and capacitor in parallel from this pin to
ground.
SW (Pin 4): Regulator Switch Node Connection to the
Inductor. This pin swings from V IN to GND.
V IN (Pin 5): Main Power Supply. Must be closely de-
coupled to GND.
FUNCTIONAL DIAGRAM
PGOOD (Pin 6): Open-Drain Logic Output. PGOOD is pulled
to ground if the voltage on the V FB pin is not within power
good threshold.
RUN (Pin 7): Regulator Enable. Forcing this pin to V IN
enables regulator, while forcing it to GND causes regulator
to shut down.
V FB (Pin 8): Regulator Output Feedback. Receives the
feedback voltage from the external resistive divider
across the regulator output. Nominal voltage for this pin
is 0.6V.
RUN
7
0.6V REF
OSC
OSC
+
1V
2 RLIM
MIN
CLAMP
SLOPE
COMP
5 V IN
V FB
8
EA
I TH
SLEEP
0.6V
+
V SLEEP
+
I COMP
+
S
RS
Q
SOFT-START
R
LATCH
Q
+
SWITCHING
LOGIC
AND
I COMP
0.654V
BLANKING
CIRCUIT
ANTI
SHOOT-
THRU
4 SW
PGOOD
6
V FB
0.546V
SHUTDOWN
I RCMP
9 GND
3606B FD
3606bfb
6
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