LT3420/LT3420-1
V 16V V BAT 16V SW Voltage (Note 2)
< 50V ±200mA R FB ±3mA R REF 2.5V 16V CT Voltage ..............................................................1.5V .16V Current into ±1mA Maximum 125°C Operating Ambient Temperature Range
(Note 3)..............................................–40°C to 85°C Storage –65°C to 150°C Lead Temperature (Soldering, 10 c)..................300°C
ORDER PART NUMBER MS PART MARKING
T JMAX = 125°C, θJA = 100°C/W, θJC = 45°C/W
(4-LAYER BOARD)
LTYH LTAJG
LT3420EMS LT3420EMS-1ABSOLUTE AXI U RATI GS
W W W
U PACKAGE/ORDER I FOR ATIO
分封制的作用U
U
鲅鱼怎么做好吃又简单还没腥味
W (Note 1)
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating
temperature range, otherwi specifications are at T A = 25°C. V CC = V BAT = 3.3V, V CHARGE = V CC unless otherwi noted. (Note 3)
谋略家
PARAMETER
伏尸百万CONDITIONS
MIN TYP MAX UNITS趣事
Minimum Operating Voltage, V CC q
2.2 2.5V Maximum Operating Voltage, V CC 16V V CC UVLO Hysteresis 40mV Minimum V BAT Voltage 1.6 1.8V Maximum V BAT Voltage 16
V V BAT UVLO Hysteresis 275
mV R REF Threshold Voltage
0.98 1.00 1.02V q
0.975
1.025V R REF Pin Bias Current V RREF = 0V, Switching
24µA V RFB = V BAT – 0.2V (Note 4)Quiescent Current
怀孕能吃牛肉吗
V RREF = 1.1V, Not Switching 90130µA Quiescent Current in Shutdown V CHARGE = 0V, V IN = 3.3V 0.01
1µA Primary Side Current Limit LT3420 (Note 5) 1.20 1.4 1.60A LT3420-1 (Note 5)0.750.9 1.05A Secondary Side Current Limit LT3420 (Note 5)204050mA LT3420-1 (Note 5)5
1525
mA Leakage Blanking Pul Width LT3420200ns LT3420-10ns
Refresh Timer Charge/Discharge Current V CT = 0.75V
1.5
2.5
黄鳝补血吗
3.5µA Refresh Timer Upper Threshold 0.9 1.0 1.1V Refresh Timer Lower Threshold
0.450.5
0.55
V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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R REF V BAT R FB V CC GND
109876
C T
CHARGE DONE SEC SW
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